Mercedes battery issue reset. Anatomy of the Auxiliary Battery System.

Mercedes battery issue reset Steve ,The throttle actuators don't need anything when the Battery is reconnected only the usual things like window reset & radio code . Original battery had been weak for about a year (lasted 7+ years, including 2 years of not driving much in Covid) - giving me the "Stop vehicle, Leave Engine running" message on dash. So I did, I bought a brand new battery but the message came up the next time I used the key even though I replaced the battery. sometimes it comes up and goes 5-10 in a day or not a single time in a whole week, 1) I replaced the battery with a brand new one (Interstate) (former OEM battery was going on 8 years old ) 2) The Alternator/ Charge station is registering 14 volts However the battery indicator light continues to go on? So my corner mechanic assures me both are solid. ️ Link to 5 Amp Model http://amzn. Reset Methods: Learn two effective reset methods for your Mercedes-Benz radio: the dashboard reset and the audio system menu reset, both aimed at restoring functionality. All was OK. You need to have it investigated to find out exactly what the problem is, but it is not a How to reset the battery light Fix the issue. While car batteries will tend to fail without notice, your Mercedes-Benz dashboard will issue signals about your luxury vehicle’s battery health. I purchased a Duracell battery from Batteries Plus which came with a 24-month warranty and $10 Mail-in Rebate. Only other possible issue I have found is a few service bulletins relating to the original low voltage problem it experienced, one stating the BCM needs reset. And that you have to tell them when you put in a new battery. However, the alarm (security) keeps going off intermittently when I try to drive it. The auxiliary battery system in Mercedes-Benz vehicles consists of several essential components. What was the final diagnosis on your S class? 3. SLK R171 General Discussion. The low battery voltage of your car is considered one of the most common reasons that can trigger the “SOS Inoperative. Other possible problems with Mercedes-Benz hybrid vehicles are: Power Electronics Module I have a 1999 Sl500. The issue you describe with the car going dead on a highway, wasn't that a fuel pump issue? Unacceptable to be sure, but not exactly a known battery issue. How do you Reset your Mercedes Power Window and Door Locking System? If your Mercedes is experiencing minor issues with the power window or door lock systems, you can resolve them with a quick reset without needing any new parts. Faulty alternator is the leading cause of red battery light illuminating in C-Class. 9-14. 3. I checked the other forums and they are replete with complaints for the same issue and MB is lying and denying. To reset the Pre-Safety Mood, you will first need to locate the reset switch. Faulty alternator is the leading cause of red battery light illuminating in E-Class. Will this problem go away after fully charged up driving it again, or do you think it is a sensor problem. 4. If you’re encountering the issue of Mercedes key not detected after battery change, there could be several potential reasons behind it: Battery Installation Error: Ensure that the new battery is installed correctly, with the positive and negative sides aligned properly. : P-B-54. I know I'm due for a battery replacement having had the original for 9. One of the most common reasons for this could be an issue with your Mercedes’ battery. It could well be your battery is not getting a good charge and does not have enough to keep everything going over night. T is if your Revs are sort of weird at idle ,that's the 1st thing one should try ,reset the T H , or if one has installed a new one to calibrate it . By replacing your Mercedes-Benz main battery, you can save between $100-$200. It is a rechargeable battery that provides power to the starter motor, ignition system, and other electrical components in the car. What to reset after battery replacement. I had no problems whatsoever reset the clock and windows everything fine even all my settings were still intact. Could be a poor 12v battery condition causing the E mode issue. Mercedes-Benz GLE auto windows not working, how to reset; Mercedes-Benz GLE dashboard lights flicker and won’t start – causes Personally the first thing I would do is fit the correct Mercedes battery. e. Is there something that I can do to reset, or do I have to take to dealer. But that hasn't cured the problem. However, if you are replacing an old battery with a new one, you may need to reset your car’s computer to ensure it This is because the BCM is responsible for regulating the charging and discharging of your car’s battery. 21/125 Hi everyone, great forum! I have a W166 ML350 which Mercedes has diagnosed as needing a new main battery, following an issue with it not going into Drive Home. An auto electrician will do a leak test and pull fuses in turn until issue goes away, but can take a long time so costs quite a bit. I am not aware of any issues with random disconnection, all you should have to do Discover how to reset the battery or alternator warning light on your Mercedes-Benz with our step-by-step guide. Drove another 2 miles on my way home and the light comes on. Learn how to reset Mercedes Benz radio in 5 simple steps. You should invest in one of the cheap battery analyzers. Understanding Radio Issues: Common problems with Mercedes radios include software glitches, battery issues, incorrect user settings, and compatibility conflicts with external devices. Believe the battery was original fit, so I got about 6 years before replacement. I read many of the posts in this forum (it seems to be a common issue). Some of you kind & helpful Folks might remember my recent Nightmare of 3 x ‘flat’ battery issues within a month, 3 x roadside rescue & jump starts, 2 x replacement new batteries 'dying' overnight, being effectively Grounded for 2 weeks during the Christmas & New Year hols etc. If your Mercedes-Benz has a battery drain issue, there are a few things that you can do to try and fix the problem. l Oct 17, 2023 #1 Hi there, i just wondered if anyone has any ideas on a c class 2016 model that the Issue with battery warning light coming up on the dash sometimes you start the car for the first time, but goes if you use it again in the same day. an AGM battery with the correct Ah / CCA rating etc. Mercedes auxiliary battery I have a 2022 C300e, purchased in Sept 2022. BOTH all the way up and HOLD in fully up for 3-5 seconds. i( ¨ — ß ~ ÐëvßV/ìª:Ö³µÊ®6ú5ʯwþ«¼vf­¿x bm­kð_eYÕ|ËŠµ¢_eôåüx ‹˜ž•5e_ ñ " ¬ˆƒ q9ø‹P "" IÄÃ„Ò þ (WCdbQ D Å¡a2yˆP ’‘ e P­ ´]F^ÿõ5! €µ/ò Q¶V JL@Yû ¬}î™u¹¹vS[Ó6 k?죯 M×HXkÑo´–gèæj=+¿Ñ: r¬©Æ Low Battery Voltage. Here are some common symptoms of an aux battery malfunction on a Mercedes: I received a "Battery Malfunction" message. 1Volt while at rest (in connected and disconnected states). Faulty alternator is the leading cause of red battery light illuminating in B-Class. If it’s below 12 volts, the battery is likely the issue. 3v, using both of my fobs, trying every routine the internet has offered to reset/restore/whatever. I scoured the web and found this Autophix 7770 unit that claimed to do just that. 2 volts to 12. In this article, we will guide you through For the others, the alarm siren (my problem), Command system and any genuine Mercedes iPod kit seem to be the most common causes of drain. On my version this battery is located in the boot next to the spare wheel. We discuss the most common c i had a similar problem with my mercedes C230 (2006). Maybe I should have replaced only rear battery (in a boot) but I wanted to avoid future problems and need to replace both again. battery convenience functions temporarily unavailable im having exactly the same problem, ive taken it to mercedes and local garages, no one seems to figure out, when the message comes it disables the AC, charger and interior lights, it can last few seconds or up to 5 hrs. , 'visit workshop'. In defence of the techs trying to isolate the problem. Uncertainty with the Process : If you’re unsure about any step during the reset, visiting a certified technician ensures proper handling without risking further complications. When i try to charge the car it charges ok until the battery reaches 30% then i get a message on the Mercedes Me app saying the charge was interrupted. Here’s how to do it: 1. battery about 2 weeks ago, but the warning continues daily at every startup. Yes I could go out more frequently and run it, but I would prefer to solve the problem, as if we went abroad for a couple of weeks (well one day) I The battery shown above has 35 cells—a nominal voltage of 3. Had an issue with my W212 estate with "auxiliary battery malfunction". The alternator converts mechanical energy from the engine to electricity that not only powers all the on-board Mercedes Benz R171 SLK Class Cars. Never used the GLC START/STOP functionality. I checked the charging system, it shows 13. Understanding Service B and the Reset Process. 5 years, but I'd like to check that I'm not over simplifying the problem. :1poke: And I'm kicking myself for not addressing the instrument cluster issue. There is no AC being used or heated seats and or demist. Remove and disassemble the battery. May not be what is causing yours but with the lack of answers you could check the out put. The charging system uses a battery control module to monitor the state of charge and turns on the auxiliary battery by powering the auxiliary battery relay when the system's voltage becomes too low. elbow. 4V. It 12 days to repair a car with a dead battery. Upon replacing, the dash warning lights for "BAS ESP and ABS" are still lit and will not go out. Open the hood of your Sit in car, ignition on (no need to start), doors closed, roof closed. You either have bad key batteries or there is an issue with the numerous components within the central locking system which is not allowing the PSE to open the doors Simple Reset Process: The reset procedure for the Mercedes C300 is straightforward and involves accessing the instrument cluster and navigating the menu to select the oil change reset. Mercedes FG 170 > Mercedes EPC Online > nemigaparts. This is because disconnecting the battery can disrupt the flow of power and cause the computer to lose its memory and default settings. As the battery ages the charging profile adjusts to compensate for buildup in the battery. If you’re experiencing issues with your Mercedes-Benz radio or A good battery will give about 12. Joined Aug 25, 2022 Messages 1 Reaction score 0 Your Mercedes c320 CDI 2006 3. Believe it or not, an unchecked malfunctioning auxiliary battery can lead to significant issues. The alternator converts mechanical energy from the engine to electricity that not only powers all the on-board Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. . Car is still under warranty ( 2017 ) . Remove the key from the vincinity of the car (if you have keyless) Well, fully charged showed 225 miles and yet by the time she got 2 miles down the road it was showing 160 miles. If you get any garbage from the dealer telling you that your VIN is not on the list of recalled cars, tell him to check for the extended warranty that runs for 10 years from the initial service date of the car, which superseded the recall. 9 volts and 95 % charge when the vehicle is not running. . OEM Mercedes Battery Price: $247; Installation Price: $140; 2011 Mercedes-Benz C300 4-Matic. Replacing this auxiliary battery resolved the issue. Your Mercedes M6 Cab - prior to that, SL63 AMG, A-M V8 Vantage, SL55, SL500 and many more If you disconnect it, you will have to reset the windows and possibly the roll bar, the ESP lamp will go out on its own when driven. Contractor Issue – Contactors open and close the high-voltage circuit. Seat Control Module / Power Seat Motor; Audio System /AGW/amplifier; The steering angle sensor must be reset by turning the steering wheel to full left and full right with the engine running. com. However the "Battery Malfunction" message is still showing. Lock the car. Well the pig-in-a-poke has bigger problems, (roof nowhere near getting opened, central locks don't work, fob doesn't work, heater fan stuck on, clearcoat peeling badly, roof cylinders blown The “Auxiliary Battery Malfunction” warning typically refers to a problem or issue with the auxiliary battery. New posts Mercedes want over 400UKP to replace the battery and update ECU etc, but I can get an equivalent Exide EK950 battery in the UK for 135UKP and install it myself Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Where's the car now - at the dealer? Also, you say you called out the AA - is the car not covered by Mercedes Benz Mobilo roadside assistance? They will usually have MB STAR diagnostic computer and can diagnose issues ar the roadside. Disconnecting the battery, or low battery voltage, can cause loss of memory in some devices, especially those that set positions of certain equipment; and they can cause fault indications, most of which can be reset. No airbags deployed. However, after replacing the battery, you may encounter issues with various electronic systems in your vehicle. I then changed the alternator and the problem ended. The Mercedes-Benz lineup has already had around 245,870 vehicles recalled because of possible malfunctions. Just heating on 22 degrees. Sponsored by: C43 (W205) Battery related issues Disconnecting power has reset the A dead battery in a Mercedes can be caused by various issues, including corrosion, leaving lights on, age-related decline, or reset requirements for electronics after a battery disconnection. Here is some more detailed information on how to fix a Mercedes with auxiliary battery problems I'm not sure if these issues are related, but it appears that a bad battery can cause weird electrical issues. Locate IC chip 95M01. To solve this, recharge the battery or replace it if it’s over 3-4 years old. In most cases, this is due to the Battery Control Module (BCM) not being reset. Open the engine lid. I'm going to show how to jump-start a two-battery Mercedes This applies to the Mercedes SL500 S550 CLS550 + more. Regular checks and replacements are essential. 5V (cold, engine off), then start stop never comes back. 5/5 star. They are located inside the high-voltage hybrid battery and can fail. BenzWorld. Disconnect the battery’s negative terminal and leave it off for about 10–15 minutes. Even a slight If charging the battery doesn’t fix the problem or it keeps happening, you may need to replace it. , battery disconnect): Synchronizing Head Restraints: If the power supply was interrupted (battery disconnected or If you own a Mercedes-Benz W211 and have recently replaced your battery, you may experience issues with your car’s electrical system. In rare cases the battery control module can create issues even if code 9055 is not present. apart from that all went ok . I followed all the steps to do the I replaced the big battery in the back (the car came with a the wrong battery size and that battery was not in a good condition). I really need to get in the trunk. I can't get in the trunk, that's an issue. Clear the BAS/ETS/ESP and other instrument cluster warnings. Keep your ride in peak condition! Utilizing the Dashboard Menu. R171 200 SLK 2006. Mercedes Tech Talk Discuss general technical questions and issues about your Mercedes-Benz. Perform a System Reset: Sometimes, the car’s electronics need a reset. Again the brake message came on and then was stating to start the engine. Joined Apr 3, 2019 I switched off and on and I checked with the reset button the battery voltage which turned to be 8. It tests for low batteries, batteries that no longer have their necessary capacity, etc and it will also check the alternator charging voltage and for ripple caused by bad alternator diodes. I took the car to indie which they checked and said when I crank the engine the battery voltage was dropping from 12V to 8V which was no good and I should change it. I have a GLC300 2017 Base model. please help! Thanks so much! Letha 3) Battery warning light on the dash I have spent some time troubleshooting the battery light, but have not found a solution yet. All three are separate issues: Your issue, "I can't open the door via the central locking" is not apart of the DAS= Drive Authorization System and the there is no learning process for this function. I should also say that fault is present on the dash with just ignition on after clearing codes which perhaps suggests a problem before charging is active. An overview of Mercedes-Benz GLE battery problems. my thoughts or a battery module issue As above, most likely there's an issue with the mild hybrid battery on the 1. Also, if the new battery isn't a genuine MB battery, then check the model to ensure that it is the correct battery for your car, i. How do I reset my Mercedes key fob after replacing the battery? To To reset the computer on a Mercedes after a battery change, you need to disconnect the negative battery cable, remove the fuse for the ECU, and wait for 30 seconds before reconnecting it. Using the correct battery may fix your battery issues, they I tend to agree. 5 volts when running and the main battery shows 12. to/2g1a My battery was totally dead, so I got it replaced under the 5 yr, warranty (battery). The car starts every time, all electrical items work without any issues. This message displays if your battery is too old or does not provide a voltage of 12 volts, which is one of the most common causes for the “SOS Inoperative The most common battery drain issues are the PSE pump in the boot and the command system. I found some possible causes for your problem from a YOUCANIC page: Keeping ignition on with the engine turned off. 0v6 As a member of ourMercedes Owners' club, you will enjoy numerous savings on an expanding range of services including, Insurance, Parts and Voltage regulator issues, battery degradation: S-Class (W222) 2014-2019: Alternator malfunctions, aging battery: GLC-Class (X253) 2016-2020: Battery and alternator problems, drive belt issues: GLE-Class (W166) 2016-2021: Alternator and voltage regulator failures, battery issues: GLS-Class (X166) 2017-2021: Electrical system issues, alternator OK, so I learned here that a Battery Management System (BMS) is a thing. Date: December 30, 2004 Order No. It was serviced in July and I asked MB whether the battery was ok. 8 volts at rest. Troubleshooting Common Issues: If the reset fails, check battery health, repeat the steps, consult the owner’s manual, or visit a professional mechanic for support. Draining the main battery can wreak havoc on other crucial car systems like the starter and alternator. This is unfortunately quite common issue across entire Mercedes mo Mercedes key not detected after battery change. Thread starter CLS320CDITOM; Start date Aug 25, 2022; C. So im thinking is the weather at plus 4 degrees really the issue here or do we have a problem. Reconnected starter battery, then trunk battery, reset display and problem was gone. Resetting it can be a quick fix for various issues, from connectivity problems to software glitches. Parts arrived today, fitted the battery and started it up still the same, I haven't started attacking the right hand boot trims yet to get to the battery cut-off relay. 6 volts) of its maximum charge level before an accurate test of the charging system can be made. The owner's manual appears to suggest that I will only need to reset the clock and re-initialise the fold-in mirrors by operating them once thru a full cycle. My local non-dealer-Merc-specialist shop had confirmed that In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. Benefits of Resetting: Resetting the radio restores functionality, improves overall performance, refreshes user settings, and resolves compatibility problems. Hi, I need to replace the battery on our c200 205 series (with stop start) and wanted to know if the lack of power during the short changeover will result in any issues such as radio, clock settings being lost, or indeed anything more series. This stopped the ECO function working (maybe no bad thing!) and sometimes stopped the "HOLD" function operating. If it worked previously it sounds like low voltage issues. The This problem can affect various models, including the Mercedes-Benz GLE. If i leave it for a while and try to It was a Halfords battery, still under warranty so I took it back and got a replacement. I disconnected the trunk battery, then the starter battery and left them overnight. The 3 2. Resetting the battery light in GLC without solving the underlying issue may not help, as the warning light will turn back on when the system again detects the fault. The battery sits behind the drivers seat (UK car). I did however, after reading some more, gravitate back to the wiring loom along the passenger sill and decided to check the canbus connector down there, removed the cover and it looked a bit green and (µ/ý X$êêK ;D0e†› ÀÀÀÀÀ@U EM8j[["EV™’¤¡Ð&IäL˃ uŠøÇG‡Â •#æ±Ùȶ ü›™Ùî*a´îJ. When the auxiliary battery malfunctions, it can lead to various problems related to the vehicle’s electronic components and systems. But before beginning the reset process, make sure you turn off the engine, open the hood, and disconnect the battery power. Common Troubleshooting: If the reset fails, check for low battery power, ensure the correct reset sequence was followed, and inspect for any dashboard malfunctions Hi, Aqueel, I have exactly the same problem with my C350e/2016 for a couple of months now. The message log still indicated a red battery but there was no battery indication on my display. Make sure to use the correct type and size of battery for your specific key fob model. All I know is to reset the one-touch for the windows by starting with the windows closed (up) and then holding the button to lower them and continuing to hold it for 1, 3, 5 seconds or until you hear 1 or 2 clicks (yeah, there's Discover how to seamlessly reset your Mercedes computer after a battery change to restore functionality. I've replaced the batteries multiple times, with multiple brands, always testing at 3. This is because the computer in your Mercedes needs to be reset to recognize the new battery and recalibrate its settings. Put the car back together within the last couple 9of weeks. When i had reconnected new battery waited 3 mins then turned ignition on and started car . Starting with the rear consumer battery is this holding charge as you know the SL is power hungry, I have found using a genuine Mercedes battery is only £190 and makes all the difference compared to the so called OEM you get from Halfords. The steering lock was jammed and had to be replaced. I was advised by an MB Technician to start the car and put the steering in full left I began to think it could be a battery issue so I replaced the main battery with a Bosch S5 and it’s a lot better. I know for Battery in the boot was too small- 70Ah instead of 95Ah and that makes a massive difference. Other problems? well not many, except heater water valve seized up due to internal rusting, the sort of problem I used to expect on my Jaguars, but on a Mercedes, dear me! 1. ; Access The Main Menu: Use the steering wheel buttons to navigate to the “Settings” or “Service” menu on the dashboard display. The car battery is typically located in the engine bay, and is connected to the car’s electrical system through two terminals Here is the auxiliary battery codes. My local dealer's useless so I'll have it looked into next month whilst on holiday, hope the dealer's better. Well worth doing. They checked and said the battery was in good order but it I had the same problem on mine, but this may not be what you have, but mine was caused by low battery output causing this fault and a few others that suddenly popped up. So we checked and find that the battery was the issue, because with the booster the engine will even turn fast nicely and start like within a second or two. The specific pressure switch mentioned on the servo must be tested i was told. 5/5 stars on Yelp while about 5 of the other closest dealerships have a 3 to 3. A battery drain issue can be caused by several factors, such as a faulty electrical system, a damaged battery, or external factors like extreme temperatures. Mercedes-Benz vehicles have a sophisticated service interval system, known as the “ASSYST” (Adaptive Service System). In a real-life scenario, a Mercedes owner found themselves stuck in a parking lot with a car that wouldn’t start. Iv not checked the starter battery, though it shows no signs of low voltage/capacity (will check charge rate tomorrow). As we That does seem to be the problem and the voltage problem wasn't that noticeable until the battery drained completely. Problem 3 The front drivers side window and mirror stopped working Problem 4 The remote distance (RF) locking stopped working. I have a 2015 C300, and in the past the warning has been intermittent. The battery I purchased previously came with an 84 month warranty (it is Johnson Control's top-of-the-line battery), but for $110 now only has the 3 year replacement warranty, so if it quits after 37 months, you are SOL. Faulty Alternator. Thread starter Terrykal; Start date Oct 22, 2019; Terrykal Senior Member. Also had to reset clock and auto lock . If the car is in good condition and you like it, then I would seriously consider getting it sorted and The battery on my E280 CDI is getting a bit tired, and I think that a new one for winter might be a good investment. it does not appear as a fault when running a diagnostic on the stop start system . Leaving the lights on; Parasitic draw draining the battery when the vehicle is parked; The battery is no longer holding a charge; test and replace the battery. I am not sure what is the next step to trouble shoot this issue or how to get this resolved. This prevents any electrical Cls320CDI Battery issues. If it is not programmed, the BCM may not be able to correctly communicate with the new battery, resulting in electrical System Reset: In some cases, resetting the vehicle’s electrical system can clear the malfunction warning, though this is often a temporary fix. Resetting Process: Follow a clear step-by-step guide to reset your Mercedes key fob when it stops working, which involves key insertion, button presses, and ignition toggling. drove to MB service two times, first time was told not the problem of battery, upgraded the software, second time told could be the problem of hybrid battery and waiting for confirmation from it. Keeping the radio on but the engine off. No problems at all. How-to procedure: Here take an example of 48V battery elbow type. Moderated by a certified MB Tech. ” This message will display if the battery is too old or provides a voltage below 12 volts. You literally have to wait for everything to turn off to check the drain, it is a nightmare! I was lucky when in my w220 the command system caused a drain I just unplugged it and plugged it back in which somehow resolved the problem! hi i have been trying to fix this battery warning light ever since. 2) connect starter front battery first 3) connect rear auxiliary battery second 4) turn ignition on in steps then start vehicle To remove red light icon get advance OBII Mercedes’ compatible scanner that will erase codes Or get Xentry Mercedes’ star system and will dodiagnosis and erase codes or go to independent shop works on MB 1. Thanks for the input/replies, The problem is solved with the replacement of the auxiliary battery. Therefore, to start the engine, it’s crucial to have a battery that provides a voltage above 11 volts. Your Mercedes C219 CLS 320CDI 2008 Oct If the Auxiliary battery fails in Mercedes , this can cause a series of problems, such as loss of memory settings, dimming of interior lights and even difficulty starting the main engine in some cases. 1. Reset warning light and see it it comes back — do into maintenance menu to set service as done — don’t reset ECU computer . Hi, i dont know for sure if this will work, but on some Mercedes older models various warning lamps would be illuminated after changing the battery. 5 with ignition ON , no engine start. i have charged up the main car battery and this is all good and This guide will walk you through the process of how to reset service B overdue Mercedes reset, ensuring you can confidently tackle this common maintenance task. "Mercedes me connect: battery monitor If a new car battery provides problem form the 30th day, and again every day driving also throws CRITICAL battery warning, and on top of all , the Mercedes Service couldnt find any issue after three times troubleshooting and analysis concludes there is a fundemental manufacturing defect in the model. Take the driver seat window down. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. I would have them tested with a battery load tester. Mercedes Tech Talk - C43 (W205) Battery related issues - Sup guys- I'm a big DIYer and do almost everything to my own cars. I purchased a new battery and changed it. The alternator should be checked. I bought a new battery and put it in and now I’m having problems Wait 3 mins for system to power down then i disconnected battery. I replaced the aux. Common Issues: Be aware of typical radio problems arising from battery changes, software glitches, Bluetooth disconnections, and audio quality concerns that may require a reset. Well, fully charged showed 225 miles and yet by the time she got 2 miles down the road it was showing 160 miles. My car sits most of the time, often for a month or more. Failure to reset the battery will lead to early failure. The auxiliary battery system in Mercedes-Benz vehicles comprises several key components. Had to reset windows by holding button up to limit hold 3 seconds then down and hold for 3 seconds on each window . However, the battery/alternator visit workshop message kept popping up every morning when i start the car. Do I need to reset the warning and if so how ? If the auxiliary battery malfunction in Mercedes, it can lead to a range of issues, such as loss of memory settings, dimming interior lights, and even difficulties starting the main engine in some cases. Most auto parts stores will check the battery charge to see if it’s dead or you can test it with a multimeter. i have only recently installed a fast charger at the office. The hassle for the dealership is that even if the car gives you this message, if the technician tests the battery with the Mercedes required battery tester and it says charge or pass, we cannot replace the battery. It is reported to be in other When the red battery light comes on it is a warning that something is wrong witht he charging system, which could be the battery itself or the alternator. you can disconnect all you want to with no damage at all, on 2 battery systems its important to do it in the right order, main battery first, then Starter battery, the same goes for the 211 and CLS up to 06-06 except these do not have a starter battery, its a top up Scared me the first time, now I just press the reset button. Radio Code: Enter the code from the owner’s manual after a reset. This comprehensive guide covers everything from the importance of Car batteries are an essential component of a vehicle’s electrical system. It stayed on for a couple of miles but went out when I accelerated to about 60. After a flat battery problem recently I disconnected the battery, recharged, reconnected, reset the windows and roof bar (lowered/raised holding the switches for >10 seconds for the windows and raised/lowered holding the switch for >10 seconds for the roof bar), reset the BAS/ESP, checked the hardtop unlocked and locked. Straight. I charge the battery monthly, but somethimes I forget. The battery under the hood (starter battery) looks to be fine, it measures 13. In this video I show you a common problem that can occur when either the Main Battery or the Auxiliary Battery is replaced in your Mercedes ML-Class W164 Veh. It was recomended that I change the rear 12V AGM start/stop electric hybrid battery. Anatomy of the Auxiliary Battery System. Some common Mercedes-Benz battery problems in the GLE model Replaced the main starter battery with a VARTA,, Mercedes use Varta batteries anyway !!, that cured the stop/start issue, best way to keep the cars electronics live is a Memory Saver with "crocodile clips" plugged into the OBD 11 connected to a 12v battery/ Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. Regular maintenance and monitoring can help prevent these problems. Batteries & alternator Persistent Issues: If the Service B light keeps displaying despite multiple reset attempts, this often indicates a deeper mechanical or electrical issue that requires expert diagnostics. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. I also tried all 3 key fobs to make sure that it wasn't a bad code issue on a particular fob. First, check all of the These cars are extremely sensitive to battery problems. Your W204 has the ability to monitor the battery's voltage on the instrument cluster screen. Your Mercedes C300 Coupe 2018 1997 Aug 12, 2023 In February I had the battery replaced by Halfords with a 70Ah AGI unit but again it wasn't used much so started getting the critical battery warnings again in June. As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly The message to change the battery in the key fob appeared about 6 months ago. It is prudent to exercise Changing the battery in your Mercedes is a routine maintenance task. To reset the power windows, follow these general steps: Lower the window all the way down. And I am not the only one. Changed the main battery in the back in As we are hardly using our second car, the battery is going flat every week or so. 1 volts per cell. OEM Mercedes Battery Price: $165; Installation Price: $140; Cost to replace Mercedes battery yourself. The moment a warning light illuminates on your dashboard, a feeling of distress may come about, but with the help of Walter’s Mercedes-Benz of Riverside service team, you will not have to worry. Reactions: Rofa. Apologies for this long Post but it might be of help to others here with similar issues. fan and etc to see if battery is charging. There is To reset the computer system in your Mercedes after a battery change, follow these steps: Turn off the ignition and remove the key from the ignition switch. Wiring diagram to Benz 48V battery module. 2. Mercedes The best way to replace a battery is as follows: 1. Disconnect and reconnect the battery to reset. Other Size 49 Mercedes batteries varied between $139 and $189, yet offered no better warranty. How to reset the battery light Fix the issue. Faulty alternator is the leading cause of red battery light illuminating in S-Class. This is accompanied by a Step-by-Step Reset Process: Follow specific steps, including key positions and pedal instructions, to successfully reset the Service B light on your Mercedes. I am having a spate of battery issues at the moment where it passes its drop test, but the hold or crank capacity is poor and it flicks the convenience warning light on. Resetting the battery light in GLE without solving the underlying issue may not help, as the warning light will turn back on when the system again detects the fault. The auxiliary battery itself is a different model, but had similar problem after battery replacement. Identify Common Issues: Be aware of frequent problems like battery failure and synchronization issues that can affect key fob performance. Hi Lorri, while it's true that there have been quite a few posts about problems with the Adblue system, there must be thousands out there with no problems. The alternator converts mechanical energy from the engine to electricity that not only powers all the on-board accessories, but also charges the battery. Still, if there’s trouble with the PolySwitch fuse, the Auxiliary Battery Malfunction light can come on. 3 V Yes the consumer battery is charging at a healthy 14V. The battery was also stated, on the label to be Made in the USA/America which was, to me, favorable over China or Asia. The OP needs to confirm whether it's a true battery located in the wheel well in the boot or a Capacitor pack located under the carpet in the passenger footwell as Mercedes Benz refer to both types providing the same functions as an "Auxiliary Battery" I know the C class W205 uses the capacitor pack from 2014 and as I wrote earlier, I have the sneaky feeling the E Class This video will show you how to fix the battery light, on a Mercedes E Class E320, this is a easy fix that can save you a lot on money. My cheapo Amazon scanner says P0304, so nothing there. When you replace the battery in your Mercedes, the computer system may encounter issues such as loss of power, erratic behavior, or malfunctioning of various components. There are two types of battery module: straight and elbow. 5L EQ engine. No problems before the battery died. 7 to 12. Now I'm worried about touching the SL batteries, but sooner or later When one of my friends put his car diagnostic laptop on my Mercedes, the following errors where found : Battery Energy Control Module – BSG211 (battery energy control module 4 fault codes) : 9051 Consumer shutoff, stage 1 Intermittent; 9050 Consumer shutoff, stage 2 Intermittent; 9092 Auxiliary battery Intermittent; 9071 Auxiliary battery relay Intermittent. ; Select Service Interval: Find and select the option that allows you to reset the service indicator. They are AGM, not lead acid. Solutions: To fix this issue, simply replace the battery with a new one. Please help. Repair procedure is the similar. The “SOS Inoperative” message can be caused by several other issues. I'd love to get a final answer for this. Finally, reconnect the negative battery cable and start the car. So, I set out to find out how to do that (since I did replace my battery a month or two back). Fully charged the battery overnight and refitted and the problem reset it'self. Save Share then press the odometer reset button 3 times in quick procession (small black plastic knob sticking out of the dash display) You should then see a voltage reading like 12. Forums. I just replaced the battery today. Your Mercedes c class 2015 2. Power On Your Vehicle: Start your Mercedes or turn the ignition to position two. 2Ah battery I have also tried the transmission reset operation which didn’t do anything but I understand that is more to do with resetting the shift behaviour between relaxed The tie rod end was broken. I have no problem unlocking the doors using the push button on the key fob or grabbing the door handle. The only hard Mercedes was the early 203 where changing the battery could blow a SAM Re the SLs 230. I have a 2013 Mercedes Benz S550 W221 and keep getting the warning message in the instrument cluster which says "battery not charged" (IN RED). Because the battery was old - a mercedes benz battery that came with the car and was 8 years old, i installed another battery. ParkTronic issue, how to reset ? I had a low voltage battery (which was replaced) since the last time I used the feature, it's probably related but no proof of that. ; Confirm the Reset: Follow The difference between the PolySwitch fuse and a typical automotive fuse is that this device will reset itself once a fault gets cleared. This educates windows for roof and possibly the small drop for opening/closing door if new Here is a comprehensive list of all items that need (or may need) to be synchronized after loss of power (i. When I thought about calling other dealerships I was shocked to learn that the one I've been in touch with has a 4. Understanding how to perform a reset or replacing the key fob battery can be a practical solution to get your Mercedes back on the road. If the main battery voltage is under 12. Problem continued (actually dead once). Ensure your vehicle’s electrical system is functioning perfectly and prevent any potential issues by following our expert tips and troubleshooting methods. I have seen many owners or the R172 change their main battery and it may have been this break pressure switch that was the problem. Recheck- normal diagnostics, replaced battery "because some problems reported with some batteries" Problems recurred- normal diagnostics- basically "good luck" Problems recurred maybe a month later, more frequent to now 1-2 X/d to once every 4 days, regardless of storage, temp outside, usage, Top 7 Systems that Cause Battery Drain Problems. Mercedes requires us to open a technical support ticket which can take anywhere from 2-10 days for them to respond to in order to 2006 w219 cls battery issue. 8V, still no start stop. For others who want to replace the 12V battery here is what I went through last week. To access the battery voltage turn the key to the 'accessories on' position. If I charge with a standard SLA charger which takes the battery to around 12. I got a Exide battery for £63 result cost me £90 for one for the wifes Citroen Picasso and that was a so called cheap Halfords Curious: Strong doesn't mention Last night I did a bit of reading on the internet, and it turns out this is a common problem, The small 12V 12 Ah auxiliary battery lasts about 7 years, so mine was due for replacement, as the car is seven years old. In this article, we will guide you through the process of resetting The only thing I'd add is that if you keep the car 'powered up' by connecting a 12V battery trickle charger to the charging points before disconnecting the battery, the electrics will Additionally, a new battery can help to prevent issues such as a completely dead Mercedes battery or rougher acceleration. Key fob battery is fine, I also tried the spare key fob, but no joy. I just bought this one from Amazon and it seems to work well. Remove the old battery control module. Also, left window now will not go back up + I cannot pop hard top. CLS320CDITOM Registered. How Do I Reset The Battery Control Module On A W211? If your w211’s battery control module has failed, you’ll need to replace it. Replacing the battery is easy and takes less than $20 min. They can be purchased from MB, and do not cost much over £100. I've had no problems with it over 10 years, and only do about 6000 miles a year. “ Genuine Mercedes-Benz Auxiliary 12V 1. Modern cars have intelligent alternators with Battery Management Systems (BMS). 7 volts and a max of 4. When I got the car back there was no problem but the battery. O. This clears any temporary glitches in the Your vehicle's battery must be above 75% (12. You can see the IC chip when you open the upper case of the battery. He did say there was a diode/anode???? at the alternator that may be the issue. The reset allows the new battery to properly charge without being damaged. If your Mercedes-Benz battery dies, They adamantly denied (lied) any 48-volt battery issues exist. The only time you do the W. That said, these issues usually resolve themselves after driving the car for a while, when the Battery Management Module eventually sorts itself out. I have checked the ( workshop) menu in the instrument display, and Battery BN is pending between 48-0 and the voltage of the 12v battery is approx 11. It seems that If replacing the battery, I always chuck the headlights on, just in case there is any form of surge. Ok, thanks for the information. zlgk bpqet kqnwf cat fqzmycn gquo wtvhb farsj artrxtog agyxbb