Mercedes battery issue reset Oct 5, 2023 · There is no power at the door switch, the fob does nothing but the doors will lock from inside the car. Come back in 4 hours and check battery. Malfunction Of The Restraint System May 19, 2015 · Your vehicle's battery must be above 75% (12. Dec 24, 2021 · Owners and lessees across the U. What was the final diagnosis on your S class? 3. I know for our CLC 203 series, changing the battery Oct 17, 2020 · 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). When I thought about calling other dealerships I was shocked to learn that the one I've been in touch with has a 4. Oct 4, 2024 · Struggling with the ESP light on your Mercedes? This comprehensive guide demystifies the reasons behind its activation, including sensor issues and battery problems. Here’s a general guide: Access the Vehicle Settings: Start by turning on the ignition of your Mercedes-Benz vehicle. Reasons: loose (probably) or corroded (unlikely as the battery was just changed), and a failing alternator is less likely (though possible--warranty issue if it is at fault) after so few miles though IMO. 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. e. The vent tube simply pushes into an opening on the battery, the rest of it was more or less like any other battery replacement, The hold-down clamp screw is a bit hard to get at, needs a long socket extension, and the clamp was tricky to put back. 5/5 star. Jan 23, 2019 · The doors are controlled by the big battery in the drunk behind the cover wall. This guide covers everything from common AC issues and troubleshooting tips to essential maintenance practices. However, after replacing the battery, you may encounter issues with various electronic systems in your vehicle. Ensure your vehicle’s electrical system is functioning perfectly and prevent any potential issues by following our expert tips and troubleshooting methods. The car will crank, not start. 2. The auxiliary battery of the Mercedes C-Class W205 is located under the floor of the passenger seat as you can see in the image below. Anatomy of the Auxiliary Battery System. Some common Mercedes-Benz battery problems in the GLE model include: Jul 24, 2018 · Problem continued (actually dead once). Other Size 49 Mercedes batteries varied between $139 and $189, yet offered no better warranty. 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. May 15, 2014 · Yes the consumer battery is charging at a healthy 14V. 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. Nov 10, 2020 · That does seem to be the problem and the voltage problem wasn't that noticeable until the battery drained completely. 9-14. Upon replacing, the dash warning lights for "BAS ESP and ABS" are still lit and will not go out. Oct 23, 2024 · Identify Common Issues: Be aware of frequent problems like battery failure and synchronization issues that can affect key fob performance. When the auxiliary battery malfunctions, it can lead to various problems related to the vehicle’s electronic components and systems. We discuss the most common c OEM Mercedes Battery Price: $247; Installation Price: $140; 2011 Mercedes-Benz C300 4-Matic. Troubleshooting Reset Problems. With the battery hooked up to the car, there's a slight load. I then changed the alternator and the problem ended. Please help. Then they kick on. 5 volts when running and the main battery shows 12. Sep 7, 2024 · After fixing the fuse or addressing the engine issue, you may need to reset the radio. Always check your brake fluid levels first. bad alternator, loose battery connection, or poor ground connection. 1 volts per cell. While car batteries will tend to fail without notice, your Mercedes-Benz dashboard will issue signals about your luxury vehicle’s battery health. The alternator converts mechanical energy from the engine to electricity that not only powers all the on-board accessories, but also charges the battery. 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. 1 volts (via dashboard display). When the Eco Start/Stop system fails to operate, several factors could be at play. Batteries & alternator seem ok. I had no problems whatsoever reset the clock and windows everything fine even all my settings were still intact. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Dec 8, 2024 · If it’s below 12 volts, the battery is likely the issue. Refer to your owner’s manual for the correct procedure. In this article, we will guide you through Oct 6, 2024 · Troubleshooting Tips: If a reset fails, double-check the procedure, restart the vehicle, and inspect for any dashboard warnings or battery issues. 8 volts at rest. 5/5 stars on Yelp while about 5 of the other closest dealerships have a 3 to 3. battery about 2 weeks ago, but the warning continues daily at every startup. 1Volt while at rest (in connected and disconnected states). 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 Jun 3, 2023 · Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. Mar 17, 2019 · The tie rod end was broken. First, you will need to disconnect the old battery, starting with the negative terminal followed by the positive terminal. Feb 6, 2021 · 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. 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. I do not know how to reset the warning light. Here are some common symptoms of an aux battery malfunction on a Mercedes: Dec 14, 2023 · 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. 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. Aug 16, 2023 · The dealership, after several days of waiting, finally called back and said that the issue might be the Battery Supply Control Module and that it is not "shutting down" the car properly and therefore allowing the battery to discharge completely while parked overnight. Dec 7, 2020 · Today's issue is battery testing, replacement, and associated issues. The message log still indicated a red battery but there was no battery indication on my display. It seems that all new cars with modern electronics suffer from battery issues. Let car sit for awhile, I did one hour. i have only recently installed a fast charger at the office. After a few minutes, everything seems to be working. Aug 27, 2022 · 1. Common Troubleshooting: If the reset fails, check for low battery power, ensure the correct reset sequence was followed, and inspect for any dashboard Nov 19, 2024 · Low Battery Voltage. 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. Changing the battery in your Mercedes is a routine maintenance task. Seems I can’t get a definitive answer to this issue. "What's this button do?" Nov 13, 2004 · Here is a comprehensive list of all items that need (or may need) to be synchronized after loss of power (i. , battery disconnect): Synchronizing Head Restraints: If the power supply was interrupted (battery disconnected or empty), the head restraints are no longer adjusted automatically. S. Faulty alternator is the leading cause of red battery light illuminating in E-Class. How do I reset a Mercedes window switch? To reset a Mercedes window switch, turn off the ignition, keep the driver’s door open, disconnect and reconnect the battery, then press and hold the window switch up and down for about 10 seconds each. Because the battery was old - a mercedes benz battery that came with the car and was 8 years old, i installed another battery. I had disconnected the trunk battery before removing a leaky roof cylinder. The battery was also stated, on the label to be Made in the USA/America which was, to me, favorable over China or Asia. Apr 28, 2023 · Reply Richard Andrew Lister September 20, 2023 at 4:55 am. 9 volts and 95 % charge when the vehicle is not running. The battery warning light and message that will illuminate your dashboard as a red battery icon with a plus and minus sign: Nov 25, 2024 · The battery shown above has 35 cells—a nominal voltage of 3. Faulty alternator is the leading cause of red battery light illuminating in S-Class. Oct 15, 2020 · Most times when a battery dies , it will not come back up and hold a good charge. An overview of Mercedes-Benz GLE battery problems. He did say there was a diode/anode???? at the alternator that may be the issue. Battery corrosion keeps the connection from being secure, causing all kinds of trouble with starting and running accessories. Dec 5, 2024 · What is the auxiliary battery used for in a Mercedes? The auxiliary battery in a Mercedes powers secondary systems such as the start-stop function, electronic stability control (ESC) and other convenience features. Is there something that I can do to reset, or do I have to take to dealer. Drove another 2 miles on my way home and the light comes on. Resetting the Mercedes SOS system typically involves a few steps, but the exact process may vary depending on the model and year of your Mercedes-Benz vehicle. I charged up the battery about 3 weeks ago and have been seeing the message since then. This is because the computer in your Mercedes needs to be reset to recognize the new battery and recalibrate its settings. Jan 27, 2023 · I have a 2022 C300e, purchased in Sept 2022. For others who want to replace the 12V battery here is what I went through last week. 5V (cold, engine off), then start stop never comes back. : P-B-54. May 6, 2024 · Replacing this auxiliary battery resolved the issue. Jun 18, 2015 · 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. The car starts and runs fine. 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. 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. One constant is the red battery message. Here are the most common reasons: Battery Issues. This is accompanied by a red warning screen in the center instrument cluster display that shows a battery accompanied by the phrase "visit workshop. report leaving their cars for several hours without any lights or electronics on, only to return and find the Mercedes car battery completely drained. Feb 12, 2023 · The battery and alternator are all part of an electrical system that must be maintained. The engine needs a battery that provides a voltage over 11 volts to start, so it’s crucial to have a battery with this voltage. Feb 15, 2021 · different model, but had similar problem after battery replacement. I disconnected the trunk battery, then the starter battery and left them overnight. Apr 2, 2004 · Scared me the first time, now I just press the reset button. Nov 6, 2024 · Resetting Process: Follow the detailed steps to reset your Mercedes key fob, including checking the battery and properly pressing the lock button during the ignition activation. Trunk and engine batteries are fine when running. As said, list faults for more accurate help. Jun 26, 2022 · Battery corrosion is a fairy common problem (except in AGM batteries), especially if the installed battery is more than 2 years old. Battery drain issues occur when a vehicle’s battery loses its charge faster than it should, leading to a dead battery and an inability to start the car. This is unfortunately quite common issue across entire Mercedes mo Mar 17, 2020 · I found some possible causes for your problem from a YOUCANIC page: Keeping ignition on with the engine turned off. For starters, the battery terminals can become corroded, leading to a connection problem. Learn the importance of resetting after battery changes or software updates and keep your fob in top shape Ever wanted to know how to remove and install the car battery in your Mercedes Benz? this video shows you how to safely do this, aswell as reset any issues w Mar 8, 2024 · Understanding the Mercedes-Benz GLC Battery Drain Issues. Never used the GLC START/STOP functionality. Other possible problems with Mercedes-Benz hybrid vehicles are: Power Electronics Module Nov 2, 2024 · Understanding these issues can help identify when a repair or reset is necessary. 86v and the starter battery has voltage of 12. Only if we had a reset tool to reload the radio after the battery replace. Keeping the radio on but the engine off. Dec 14, 2024 · Discover how to reset the battery or alternator warning light on your Mercedes-Benz with our step-by-step guide. Oct 20, 2024 · 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. 8V, still no start stop. Nov 13, 2004 · I have a 1999 Sl500. Put a charger on it for 6 + hours on 10 amps and then check it with charger attached. I just let the car go to sleep (leave it totally switched off for half an hour) then followed Wolley's instructions. Failure to reset the battery will lead to early failure. Iv not checked the starter battery, though it shows no signs of low voltage/capacity (will check charge rate tomorrow). Do I need to reset the warning and if so how ? Nov 8, 2023 · In essence, it serves as a reliable companion to your car's battery. Date: December 30, 2004 Order No. Jun 22, 2024 · Common Causes for Mercedes Eco Start/Stop Not Working. . The only time you do the W. O. I was advised by an MB Technician to start the car and put the steering in full left lock, then full right lock and then back to centre. This step-by-step guide will explain how to troubleshoot this problem, the basics of battery drain problems, why the battery dies overnight, most common trouble spots. You try to start your Mercedes-Benz, and the car is either completely dead, or this happens: Nov 6, 2024 · 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. Regular checks and replacements are essential. ” This message will display if the battery is too old or provides a voltage below 12 volts. Thankfully, Mercedes has simplified this process, making it straightforward. Nov 7, 2023 · To reset your Mercedes key fob after replacing the battery, follow these steps: Stand near your vehicle and press the lock or unlock button on your key fob. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Dec 5, 2015 · Had the same problem after battery replacement on my 2003 S430, changed the blown fuse f52, no luck, changed relay T (under the back seat), problem fixed. ️ Link to 5 Amp Model http://amzn. BOTH all the way up and HOLD in fully up for 3-5 seconds. 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. Jun 11, 2022 · But before replacing the battery, you should rule out any other problems that may cause the dead battery symptoms, e. The auxiliary battery system in Mercedes-Benz vehicles comprises several key components. I have no problem unlocking the doors using the push button on the key fob or grabbing the door handle. Mar 30, 2024 · This problem can affect various models, including the Mercedes-Benz GLE. Preparation Steps: 1. Battery and Electrical Problems. One of the most frequent culprits behind a Mercedes not starting is related to battery and electrical issues. 9 when not running. Keep your ride in peak condition! Jan 21, 2019 · After you have changed the Mercedes auxiliary battery, if you are still getting the white battery with the visit workshop text message in your instrument clu Mar 29, 2012 · 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. Trunk battery will show no power after a few minutes. Faulty Alternator. Now gear shift is stuck, suspect the break switch, as the break lights don't work either, will replace it soon. 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 This is because the BCM is responsible for regulating the charging and discharging of your car’s battery. To reset the Mercedes computer after a battery change, you will need to follow a specific procedure outlined in the owner’s manual. I purchased a Duracell battery from Batteries Plus which came with a 24-month warranty and $10 Mail-in Rebate. May 31, 2024 · Thank you for responding. Believe the battery was original fit, so I got about 6 years before replacement. 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! Nov 3, 2024 · Awareness of these problems helps ensure a smoother reset process. My battery reads about 12 volts now at about 50 degrees. If you face challenges during the reset, consider these potential issues: Menu Navigation Issues: You might not find the service menu if you’re pressing the wrong buttons. The primary purpose of the main battery in modern cars is to start the engine and provide power to the car’s accessories when the engine is running. Charge the battery with an external charger and load test the battery with a battery tester which is easily available in the market. This comprehensive guide covers everything from the importance of resetting advanced systems like the ECU and TCU, to practical troubleshooting for common post-reset issues. Make sure your steering wheel is not turned to either side. 7 is a battery that's fully charged at 70 degrees and it's the no load voltage. Key fob battery is fine, I also tried the spare key fob, but no joy. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. Feb 21, 2014 · I changed my battery last week as I was getting starting problems. 3. If it is not programmed, the BCM may not be able to correctly communicate with the new battery, resulting in electrical problems. Therefore, to start the engine, it’s crucial to have a battery that provides a voltage above 11 volts. For about 5 minutes some convenience functions are disabled (such as the seat warmer). The steering lock was jammed and had to be replaced. 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. See full list on garagesee. Replacing the battery is easy and takes less than $20 min. 2 volts to 12. Plus, discover when to seek professional help to maintain your vehicle's safety and performance. Mar 1, 2020 · Thanks for the input/replies, The problem is solved with the replacement of the auxiliary battery. I read many of the posts in this forum (it seems to be a common issue). How do you reset it? In the case of a malfunctioning auxiliary battery, a reset may be required. After reading this blog post, you should now be aware of the auxiliary battery and why you should not ignore the problem. 6 volts) of its maximum charge level before an accurate test of the charging system can be made. I charge the battery monthly, but somethimes I forget. Jun 23, 2010 · 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 apparently 56 different descriptions I have found), and then rolling them up in the same manner. Even a slight Oct 11, 2023 · I have a GLC300 2017 Base model. Also, left window now will not go back up + I cannot pop hard top. It stayed on for a couple of miles but went out when I accelerated to about 60. Sep 21, 2022 · 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. Eg surge/sparks and blown fuse (s). Sep 9, 2024 · To reset your Mercedes computer after a battery change, follow these simple steps. Additionally, disconnecting the battery for 15 minutes may also help reset minor faults. Disconnect the battery’s negative terminal and leave it off for about 10–15 minutes. 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 . 21/125 Feb 5, 2023 · Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. 5 years, but I'd like to check that I'm not over simplifying the problem. If the main battery voltage is under 12. An auxiliary battery is a backup battery in a vehicle that is used to supply power to the vehicle’s electrical system when the main battery cannot provide sufficient power. 3 doesn't mean the battery is bad. I know I'm due for a battery replacement having had the original for 9. The battery is charged. Put the car back together within the last couple 9of weeks. And the dealer can also reset if they have the tool. Aug 17, 2024 · Modern cars have intelligent alternators with Battery Management Systems (BMS). 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, 1. Faulty alternator is the leading cause of red battery light illuminating in C-Class. Oct 22, 2024 · Discover how to seamlessly reset your Mercedes computer after a battery change to restore functionality. Regular maintenance and monitoring can help prevent these problems. However, the battery/alternator visit workshop message kept popping up every morning when i start the car. The car starts and run fine since then but the message is there. When rear battery dies you will lose access to the doors. If the battery charge is insufficient or the battery is failing, the system might Aug 27, 2022 · Mercedes-Benz A-Class battery light is on - causes and how to reset; Mercedes-Benz C-Class battery light is on - causes and how to reset; Mercedes-Benz E-Class battery light is on - causes and how to reset; Mercedes-Benz S-Class battery light is on - causes and how to reset; Mercedes-Benz G-Class dead battery symptoms, causes, and how to jump start Aug 27, 2022 · 1. Jan 29, 2017 · Steve ,The throttle actuators don't need anything when the Battery is reconnected only the usual things like window reset & radio code . If i leave it for a while and try to Sep 15, 2005 · I'm not sure if these issues are related, but it appears that a bad battery can cause weird electrical issues. The Oct 27, 2021 · In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. 7 volts and a max of 4. If this not a seal battery you also can check the cell voltage Feb 26, 2013 · 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. Hold the power button for 10-20 seconds or disconnect the battery for a few minutes to reboot the system. g. OEM Mercedes Battery Price: $165; Installation Price: $140; Cost to replace Mercedes battery yourself. A healthy battery is crucial for the Eco Start/Stop system to function. Oct 3, 2015 · The battery is a simple replace at any radio or TV shop locally. Should be over 12. Dec 3, 2024 · 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. My convenience settings will not work until the engine has ran for about 10 to 15 minutes. This educates windows for roof and possibly the small drop for opening/closing door if new enough model. They are located inside the high-voltage hybrid battery and can fail. com Sep 9, 2024 · To reset your Mercedes computer after a battery change, follow these simple steps. I also tried all 3 key fobs to make sure that it wasn't a bad code issue on a particular fob. Corrosion occurs when the battery acid reacts with the metal terminals which can lead to loss of contact and reduced current flow. Problem 3 The front drivers side window and mirror stopped working Problem 4 The remote distance (RF) locking stopped working. May 12, 2005 · The difference between having the dealer "reset your ECU and you doing it is that the dealer only clears the faults the ECU has on memory, when you reset your ECU, it must basically re-calibrate itself and learn about all your car's systems from scratch. Your W204 has the ability to monitor the battery's voltage on the instrument cluster screen. If it's close to dying, you might get to open the doors but you will notice things like the clock rolling back to regular time once you start up the car and raising the vehicle will not work unless you turn off the car and turn it back on. Apr 28, 2017 · Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Use the infotainment system Jun 5, 2015 · 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. Jun 23, 2010 · 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 apparently 56 different descriptions I have found), and then rolling them up in the same manner. Contractor Issue – Contactors open and close the high-voltage circuit. Benefits of Resetting: Resetting the radio restores functionality, improves overall performance, refreshes user settings, and resolves compatibility problems. You could also not reset it I suppose, but it helps optimize the charging system maximizing component lifespan, etc. No airbags deployed. Feb 12, 2023 · If you know it’s been a very long time since the auxiliary battery was replaced in your Mercedes, you may want to replace it even if it isn’t causing the problem right now. Jan 9, 2019 · The battery terminals have 10mm bolts, and the battery hold-down clamp is 13mm. Learn the step-by-step reset process, preventative measures, and when to seek professional help. How do you reset a Mercedes battery? To reset the BCM on your Mercedes-Benz W211, follow these simple steps: May 26, 2024 · Mercedes key not detected after battery change. Sep 10, 2007 · Remove - battery cable from main battery in trunk. The red Visit Workshop - Battery Low indicator comes on when I start the car. Jan 4, 2021 · Aux battery primarily for operating the stop/go function and would not cause that light. Oct 23, 2019 · I checked the charging system, it shows 13. Dec 4, 2022 · 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 Mar 22, 2020 · My car was sitting for a couple of months before this happen and the battery died. When I got the car back there was no problem but the battery. I replaced the aux. Oct 29, 2024 · Step-by-Step Reset Process: Follow specific steps, including key positions and pedal instructions, to successfully reset the Service B light on your Mercedes. Signs of a dead or dying battery can include dim lights, sluggish engine cranking, or even complete power loss. Usually, with the motor running, it should read a minimum of 14. Starter Battery, Accessory battery, alternator, voltage regulator, control module…. To solve this, recharge the battery or replace it if it’s over 3-4 years old. Reconnected starter battery, then trunk battery, reset display and problem was gone. Mercedes auxiliary battery location Where is the auxiliary battery on a Mercedes C-Class? W205. Now I'm worried about touching the SL batteries, but sooner or later Sep 13, 2023 · The “Auxiliary Battery Malfunction” warning typically refers to a problem or issue with the auxiliary battery. When finished, I reconnected the battery & got the red Battery “visit workshop”. The battery under the hood (starter battery) looks to be fine, it measures 13. Engine battery will show 12. But that hasn't cured the problem. Insert the key into the ignition and turn it to position 2 (ignition on). In the case of the Mercedes-Benz GLC, there have been reports of GLC battery drain issues that can cause significant inconvenience Oct 10, 2024 · Understanding Radio Issues: Common problems with Mercedes radios include software glitches, battery issues, incorrect user settings, and compatibility conflicts with external devices. 2020 GLC 300 Bought 2nd hand through Mercedes approved used would not start on drive came up with warning message 48v battery issue waited 4 days for a recovery truck that could lift it , they would not drag it because it was stuck in park and did not want to damage 4 matic system or gearbox , been at Mercedes 3 weeks now new battery Oct 25, 2024 · Is your Mercedes key fob acting up? Discover how to reset it effortlessly with our step-by-step guide! This article covers common key fob issues, from unresponsive buttons to limited range, and provides troubleshooting tips to restore functionality. If I charge with a standard SLA charger which takes the battery to around 12. Feb 21, 2014 · BenzWorld. " Sep 2, 2022 · 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. Apr 17, 2018 · The message to change the battery in the key fob appeared about 6 months ago. This clears any temporary glitches in the Mar 20, 2018 · I'm going to show how to jump-start a two-battery Mercedes This applies to the Mercedes SL500 S550 CLS550 + more. Sep 4, 2023 · 2. The low battery voltage of your car is considered one of the most common reasons that can trigger the “SOS Inoperative. To access the battery voltage turn the key to the 'accessories on' position. May 12, 2024 · Mercedes SOS Button Mercedes SOS Reset. Connect (-) cable on battery in trunk. Troubleshooting Tips: If your key fob is unresponsive, check the battery, reprogram the fob if necessary, and inspect for physical damage or signal interference. Jul 11, 2024 · My car sits most of the time, often for a month or more. 90v. What are the common causes of the ABS light activation? Jun 26, 2022 · Battery corrosion is a fairy common problem (except in AGM batteries), especially if the installed battery is more than 2 years old. I bought a new battery and put it in and now I’m having problems Nov 7, 2024 · How can I reset the ABS light on my Mercedes? You can reset the ABS light using an OBD-II scanner or the Mercedes-Benz Star Diagnostic Tool. My local dealer's useless so I'll have it looked into next month whilst on holiday, hope the dealer's better. I understand I have two You can replace it in about 5 minutes, the problem is you can’t reset the battery throughput in the front SAM unless you have Xentry. to/2g1a Apr 24, 2012 · i had a similar problem with my mercedes C230 (2006). Jun 27, 2011 · It was a Halfords battery, still under warranty so I took it back and got a replacement. Remove charge and check battery again. Apr 7, 2015 · To check for a current draw, put an ammeter on it and see how much current it's drawing. Disconnect the negative terminal of the new battery for about 15 minutes. The reset allows the new battery to properly charge without being damaged. Oct 9, 2024 · Is your Mercedes AC blowing hot air on a sweltering day? Discover how to reset your air conditioning system and restore cool comfort. Jun 1, 2017 · I would make sure the battery is fully charged, drive it for a few days, and put a load test on the battery. But most dealers no longer have the toll. Sending a radio back to Becker for this is much expensive just to get a reload after a battery. As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. Oct 8, 2024 · 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” message. Perform a System Reset: Sometimes, the car’s electronics need a reset. The car starts every time, all electrical items work without any issues. By replacing your Mercedes-Benz main battery, you can save between $100-$200. Feb 9, 2017 · 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. Jun 20, 2023 · Sit in car, ignition on (no need to start), doors closed, roof closed. Sep 12, 2021 · Did you ever find the issue out? I have a 2008 SL550 and I’m having the same issues. So, a Mercedes auxiliary battery malfunction is problematic. First, turn off your vehicle and remove the key from the ignition. As the battery ages the charging profile adjusts to compensate for buildup in the battery. There are no tail lights, brake lights, license plate lights, radio, power seats, flashers, etc. 12. Learn effective methods to reset the ESP light using the ignition key, dashboard controls, or an OBD-II scanner. When car is not started the consumer battery has voltage of 12. Dec 6, 2009 · :1poke: And I'm kicking myself for not addressing the instrument cluster issue. Professional Help: Seek expert assistance if the service light remains unresolved despite attempts, especially if accompanied by engine warnings. SRS only malfunction when I started car, drove car 1/4 mile turned steering wheel lock to lock 4 times and SRS reset, I read that you had to do it 5 times Nov 10, 2024 · 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. I just replaced the battery today. Its main role is to relieve the main battery of these small tasks, thus ensuring the proper functioning of the vehicle's main Mar 8, 2021 · 3) Battery warning light on the dash I have spent some time troubleshooting the battery light, but have not found a solution yet. Finally, reconnect the negative battery cable and start the car. Connect (-)wire on auxiliary battery, let sit, I did 10 min. tminlnypglqbxekbosecpklnvtewrqcpezhjfrpiellb