Mercedes battery issue reset. Failure to reset the battery will lead to early failure.


  • Mercedes battery issue reset The battery under the hood (starter battery) looks to be fine, it measures 13. Jan 4, 2021 · Aux battery primarily for operating the stop/go function and would not cause that light. Here are the most common reasons: Battery Issues. Make sure your steering wheel is not turned to either side. After a few minutes, everything seems to be working. Seems I can’t get a definitive answer to this issue. One of the most frequent culprits behind a Mercedes not starting is related to battery and electrical issues. And the dealer can also reset if they have the tool. 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. 2. "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. 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. 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. The message log still indicated a red battery but there was no battery indication on my display. Keeping the radio on but the engine off. Some common Mercedes-Benz battery problems in the GLE model include: Jul 24, 2018 · Problem continued (actually dead once). org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. 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. 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. First, turn off your vehicle and remove the key from the ignition. As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. My local dealer's useless so I'll have it looked into next month whilst on holiday, hope the dealer's better. 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. 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. 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. Disconnect the battery’s negative terminal and leave it off for about 10–15 minutes. This is because the computer in your Mercedes needs to be reset to recognize the new battery and recalibrate its settings. Nov 13, 2004 · I have a 1999 Sl500. 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. Additionally, disconnecting the battery for 15 minutes may also help reset minor faults. , battery disconnect): Synchronizing Head Restraints: If the power supply was interrupted (battery disconnected or empty), the head restraints are no longer adjusted automatically. I also tried all 3 key fobs to make sure that it wasn't a bad code issue on a particular fob. 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. 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. Now gear shift is stuck, suspect the break switch, as the break lights don't work either, will replace it soon. Sep 4, 2023 · 2. Feb 15, 2021 · different model, but had similar problem after battery replacement. I do not know how to reset the warning light. 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. I replaced the aux. Here’s a general guide: Access the Vehicle Settings: Start by turning on the ignition of your Mercedes-Benz vehicle. Battery corrosion keeps the connection from being secure, causing all kinds of trouble with starting and running accessories. The car starts every time, all electrical items work without any issues. 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. 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. 5 years, but I'd like to check that I'm not over simplifying the problem. 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. 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. 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. 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. 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 . Oct 22, 2024 · Discover how to seamlessly reset your Mercedes computer after a battery change to restore functionality. 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. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. Insert the key into the ignition and turn it to position 2 (ignition on). 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. Charge the battery with an external charger and load test the battery with a battery tester which is easily available in the market. Never used the GLC START/STOP functionality. Jul 11, 2024 · My car sits most of the time, often for a month or more. Apr 17, 2018 · The message to change the battery in the key fob appeared about 6 months ago. Jan 27, 2023 · I have a 2022 C300e, purchased in Sept 2022. 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. Put the car back together within the last couple 9of weeks. 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. Contractor Issue – Contactors open and close the high-voltage circuit. The car will crank, not start. 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. 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. 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. I had no problems whatsoever reset the clock and windows everything fine even all my settings were still intact. My convenience settings will not work until the engine has ran for about 10 to 15 minutes. 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. Eg surge/sparks and blown fuse (s). When rear battery dies you will lose access to the doors. I had disconnected the trunk battery before removing a leaky roof cylinder. 5/5 stars on Yelp while about 5 of the other closest dealerships have a 3 to 3. See full list on garagesee. Oct 23, 2024 · Identify Common Issues: Be aware of frequent problems like battery failure and synchronization issues that can affect key fob performance. The battery is charged. Iv not checked the starter battery, though it shows no signs of low voltage/capacity (will check charge rate tomorrow). Faulty Alternator. But most dealers no longer have the toll. Faulty alternator is the leading cause of red battery light illuminating in C-Class. 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. 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. The Oct 27, 2021 · In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. 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. 6 volts) of its maximum charge level before an accurate test of the charging system can be made. If it is not programmed, the BCM may not be able to correctly communicate with the new battery, resulting in electrical problems. O. 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. Date: December 30, 2004 Order No. Starter Battery, Accessory battery, alternator, voltage regulator, control module…. 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. 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. 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). Apr 28, 2023 · Reply Richard Andrew Lister September 20, 2023 at 4:55 am. The car starts and runs fine. As said, list faults for more accurate help. Only if we had a reset tool to reload the radio after the battery replace. 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. I purchased a Duracell battery from Batteries Plus which came with a 24-month warranty and $10 Mail-in Rebate. For starters, the battery terminals can become corroded, leading to a connection problem. Feb 21, 2014 · BenzWorld. 7 is a battery that's fully charged at 70 degrees and it's the no load voltage. Changing the battery in your Mercedes is a routine maintenance task. Benefits of Resetting: Resetting the radio restores functionality, improves overall performance, refreshes user settings, and resolves compatibility problems. 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. Other Size 49 Mercedes batteries varied between $139 and $189, yet offered no better warranty. The car starts and run fine since then but the message is there. 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. 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. 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. You could also not reset it I suppose, but it helps optimize the charging system maximizing component lifespan, etc. Mar 1, 2020 · Thanks for the input/replies, The problem is solved with the replacement of the auxiliary battery. Upon replacing, the dash warning lights for "BAS ESP and ABS" are still lit and will not go out. Oct 23, 2019 · I checked the charging system, it shows 13. Troubleshooting Reset Problems. 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. To solve this, recharge the battery or replace it if it’s over 3-4 years old. battery about 2 weeks ago, but the warning continues daily at every startup. 12. May 6, 2024 · Replacing this auxiliary battery resolved the issue. Nov 10, 2020 · That does seem to be the problem and the voltage problem wasn't that noticeable until the battery drained completely. Should be over 12. " 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. Therefore, to start the engine, it’s crucial to have a battery that provides a voltage above 11 volts. When car is not started the consumer battery has voltage of 12. Oct 5, 2023 · There is no power at the door switch, the fob does nothing but the doors will lock from inside the car. Faulty alternator is the leading cause of red battery light illuminating in S-Class. Disconnect the negative terminal of the new battery for about 15 minutes. A healthy battery is crucial for the Eco Start/Stop system to function. 8V, still no start stop. BOTH all the way up and HOLD in fully up for 3-5 seconds. Batteries & alternator seem ok. 86v and the starter battery has voltage of 12. Dec 14, 2024 · Discover how to reset the battery or alternator warning light on your Mercedes-Benz with our step-by-step guide. No airbags deployed. When I thought about calling other dealerships I was shocked to learn that the one I've been in touch with has a 4. Hold the power button for 10-20 seconds or disconnect the battery for a few minutes to reboot the system. 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. But that hasn't cured the problem. Failure to reset the battery will lead to early failure. 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. Finally, reconnect the negative battery cable and start the car. 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. For others who want to replace the 12V battery here is what I went through last week. May 31, 2024 · Thank you for responding. Usually, with the motor running, it should read a minimum of 14. Mercedes auxiliary battery location Where is the auxiliary battery on a Mercedes C-Class? W205. i have only recently installed a fast charger at the office. Troubleshooting Tips: If your key fob is unresponsive, check the battery, reprogram the fob if necessary, and inspect for physical damage or signal interference. 9 volts and 95 % charge when the vehicle is not running. Feb 12, 2023 · The battery and alternator are all part of an electrical system that must be maintained. Learn effective methods to reset the ESP light using the ignition key, dashboard controls, or an OBD-II scanner. . Reconnected starter battery, then trunk battery, reset display and problem was gone. May 12, 2024 · Mercedes SOS Button Mercedes SOS Reset. After reading this blog post, you should now be aware of the auxiliary battery and why you should not ignore the problem. Regular checks and replacements are essential. 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. Drove another 2 miles on my way home and the light comes on. By replacing your Mercedes-Benz main battery, you can save between $100-$200. If I charge with a standard SLA charger which takes the battery to around 12. 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. One constant is the red battery message. 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. Anatomy of the Auxiliary Battery System. Oct 3, 2015 · The battery is a simple replace at any radio or TV shop locally. 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. 5/5 star. 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. Remove charge and check battery again. I disconnected the trunk battery, then the starter battery and left them overnight. Apr 7, 2015 · To check for a current draw, put an ammeter on it and see how much current it's drawing. Believe the battery was original fit, so I got about 6 years before replacement. 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 red Visit Workshop - Battery Low indicator comes on when I start the car. report leaving their cars for several hours without any lights or electronics on, only to return and find the Mercedes car battery completely drained. 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. He did say there was a diode/anode???? at the alternator that may be the issue. Jan 23, 2019 · The doors are controlled by the big battery in the drunk behind the cover wall. Professional Help: Seek expert assistance if the service light remains unresolved despite attempts, especially if accompanied by engine warnings. Jun 22, 2024 · Common Causes for Mercedes Eco Start/Stop Not Working. Because the battery was old - a mercedes benz battery that came with the car and was 8 years old, i installed another battery. Apr 28, 2017 · Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. 5 volts when running and the main battery shows 12. Battery and Electrical Problems. 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. Problem 3 The front drivers side window and mirror stopped working Problem 4 The remote distance (RF) locking stopped working. If the main battery voltage is under 12. 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. 7 volts and a max of 4. I read many of the posts in this forum (it seems to be a common issue). Faulty alternator is the leading cause of red battery light illuminating in E-Class. Also, left window now will not go back up + I cannot pop hard top. Your W204 has the ability to monitor the battery's voltage on the instrument cluster screen. They are located inside the high-voltage hybrid battery and can fail. 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. We discuss the most common c OEM Mercedes Battery Price: $247; Installation Price: $140; 2011 Mercedes-Benz C300 4-Matic. 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 it? In the case of a malfunctioning auxiliary battery, a reset may be required. Perform a System Reset: Sometimes, the car’s electronics need a reset. 1 volts (via dashboard display). Please help. 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. Always check your brake fluid levels first. Put a charger on it for 6 + hours on 10 amps and then check it with charger attached. Corrosion occurs when the battery acid reacts with the metal terminals which can lead to loss of contact and reduced current flow. 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. Mar 30, 2024 · This problem can affect various models, including the Mercedes-Benz GLE. An overview of Mercedes-Benz GLE battery 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. Come back in 4 hours and check battery. 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. The reset allows the new battery to properly charge without being damaged. I charged up the battery about 3 weeks ago and have been seeing the message since then. Let car sit for awhile, I did one hour. What was the final diagnosis on your S class? 3. Oct 15, 2020 · Most times when a battery dies , it will not come back up and hold a good charge. I know I'm due for a battery replacement having had the original for 9. The battery was also stated, on the label to be Made in the USA/America which was, to me, favorable over China or Asia. 3. This guide covers everything from common AC issues and troubleshooting tips to essential maintenance practices. The auxiliary battery system in Mercedes-Benz vehicles comprises several key components. 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. For about 5 minutes some convenience functions are disabled (such as the seat warmer). Jun 11, 2022 · But before replacing the battery, you should rule out any other problems that may cause the dead battery symptoms, e. Sep 9, 2024 · To reset your Mercedes computer after a battery change, follow these simple steps. Connect (-) cable on battery in trunk. As the battery ages the charging profile adjusts to compensate for buildup in the battery. 90v. Aug 27, 2022 · 1. OEM Mercedes Battery Price: $165; Installation Price: $140; Cost to replace Mercedes battery yourself. There are no tail lights, brake lights, license plate lights, radio, power seats, flashers, etc. Preparation Steps: 1. Trunk and engine batteries are fine when running. 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. 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. 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. 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. 21/125 Feb 5, 2023 · Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. Even a slight Oct 11, 2023 · I have a GLC300 2017 Base model. I then changed the alternator and the problem ended. Ensure your vehicle’s electrical system is functioning perfectly and prevent any potential issues by following our expert tips and troubleshooting methods. The steering lock was jammed and had to be replaced. Key fob battery is fine, I also tried the spare key fob, but no joy. May 15, 2014 · Yes the consumer battery is charging at a healthy 14V. S. 1 volts per cell. 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. To reset the Mercedes computer after a battery change, you will need to follow a specific procedure outlined in the owner’s manual. It seems that all new cars with modern electronics suffer from battery issues. 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. This educates windows for roof and possibly the small drop for opening/closing door if new enough model. Sep 12, 2021 · Did you ever find the issue out? I have a 2008 SL550 and I’m having the same issues. Jun 27, 2011 · It was a Halfords battery, still under warranty so I took it back and got a replacement. I just replaced the battery today. Engine battery will show 12. 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. 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. 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. Trunk battery will show no power after a few minutes. : P-B-54. When I got the car back there was no problem but the battery. The low battery voltage of your car is considered one of the most common reasons that can trigger the “SOS Inoperative. 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. Aug 17, 2024 · Modern cars have intelligent alternators with Battery Management Systems (BMS). When the auxiliary battery malfunctions, it can lead to various problems related to the vehicle’s electronic components and systems. 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. My battery reads about 12 volts now at about 50 degrees. 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. Is there something that I can do to reset, or do I have to take to dealer. First, you will need to disconnect the old battery, starting with the negative terminal followed by the positive terminal. 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. Feb 21, 2014 · I changed my battery last week as I was getting starting problems. 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. 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. Dec 24, 2021 · Owners and lessees across the U. Plus, discover when to seek professional help to maintain your vehicle's safety and performance. I charge the battery monthly, but somethimes I forget. However, the battery/alternator visit workshop message kept popping up every morning when i start the car. e. The only time you do the W. Sep 7, 2024 · After fixing the fuse or addressing the engine issue, you may need to reset the radio. This is accompanied by a red warning screen in the center instrument cluster display that shows a battery accompanied by the phrase "visit workshop. Mar 17, 2019 · The tie rod end was broken. Apr 2, 2004 · Scared me the first time, now I just press the reset button. 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. I just let the car go to sleep (leave it totally switched off for half an hour) then followed Wolley's instructions. 2 volts to 12. Then they kick on. To access the battery voltage turn the key to the 'accessories on' position. ️ Link to 5 Amp Model http://amzn. 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. Dec 7, 2020 · Today's issue is battery testing, replacement, and associated issues. Thankfully, Mercedes has simplified this process, making it straightforward. While car batteries will tend to fail without notice, your Mercedes-Benz dashboard will issue signals about your luxury vehicle’s battery health. Signs of a dead or dying battery can include dim lights, sluggish engine cranking, or even complete power loss. I have no problem unlocking the doors using the push button on the key fob or grabbing the door handle. Jun 20, 2023 · Sit in car, ignition on (no need to start), doors closed, roof closed. 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. Sending a radio back to Becker for this is much expensive just to get a reload after a battery. It stayed on for a couple of miles but went out when I accelerated to about 60. g. 9 when not running. Connect (-)wire on auxiliary battery, let sit, I did 10 min. Dec 6, 2009 · :1poke: And I'm kicking myself for not addressing the instrument cluster issue. 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. bad alternator, loose battery connection, or poor ground connection. 8 volts at rest. Refer to your owner’s manual for the correct procedure. Regular maintenance and monitoring can help prevent these problems. Replacing the battery is easy and takes less than $20 min. 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. 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. com Sep 9, 2024 · To reset your Mercedes computer after a battery change, follow these simple steps. 9-14. So, a Mercedes auxiliary battery malfunction is problematic. 3 doesn't mean the battery is bad. With the battery hooked up to the car, there's a slight load. to/2g1a Apr 24, 2012 · i had a similar problem with my mercedes C230 (2006). ” This message will display if the battery is too old or provides a voltage below 12 volts. Sep 10, 2007 · Remove - battery cable from main battery in trunk. 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 . 5V (cold, engine off), then start stop never comes back. Malfunction Of The Restraint System May 19, 2015 · Your vehicle's battery must be above 75% (12. However, after replacing the battery, you may encounter issues with various electronic systems in your vehicle. When finished, I reconnected the battery & got the red Battery “visit workshop”. When the Eco Start/Stop system fails to operate, several factors could be at play. 1Volt while at rest (in connected and disconnected states). vhbm zxn ybefi zmnsp zmycasxwo gox znzzf rtdk bbgfrh lav