Mercedes battery issue. Jul 24, 2018 · Problem continued (actually dead once).
Mercedes battery issue Your W204 has the ability to monitor the battery's voltage on the instrument cluster screen. Aug 21, 2012 · 1972 Mercedes C350 I have replaced my battery 2 x within the past 6 months. Jun 15, 2023 · I have my ml350 2005 and I had an issue with the battery. A weak or dead battery Oct 11, 2023 · GLC Class (X253) - 12v battery critical - I'm getting a warning message on my Mercedes Me Connect app that the 12v battery is critical. I believe in 2011, they had only one combined battery in the engine bay. The . If you are looking to replace the secondary battery yourself, you need to know where to look. It has a brand new battery, passed state inspection, but it has a battery drain problem as it drained in 4 days after install. Battery charging issues can be a major concern for Mercedes owners, potentially leaving drivers stranded or causing further electrical problems. Sep 12, 2021 · Did you ever find the issue out? I have a 2008 SL550 and I’m having the same issues. May 7, 2024 · I'm coming up on 6 months of ownership on new 2024 GLC. This has indicated a fully charged battery. The common locations where to find the auxiliary battery on a Mercedes include: Mar 2, 2024 · Both Lewis Hamilton and George Russell were plagued by battery problems in the Mercedes W15s in a frustrating F1 2024 season-opening Bahrain Grand Prix. The system informed me about critical battery low for more than 10 times. I do take them into either an independent shop or the dealership. This detailed case study explores a real-life scenario where a faulty alternator caused the battery light to illuminate, and the steps taken to fix the issue Jul 15, 2020 · Back in NM, several days after it got back, battery was at <6V. Contractor Issue – Contactors open and close the high-voltage circuit. 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 have taken it to the charge but the technician said that it is died (damaged). 9 when not running. Nov 19, 2023 · This car was hardly used for the last 2 years, but at storing it I serviced etc, then it just sat stored. To solve Feb 12, 2023 · Where is the Mercedes Auxiliary Battery Located? Mercedes-Benz puts the auxiliary battery in multiple locations, depending on which model you drive. If the battery checks out fine, the next area to investigate is the fuel system. Use a multimeter to check the voltage. My battery has died so I bough another one and changed the regulator. Does the Mercedes-Benz battery die when you have the car parked overnight or leave it parked for a few days? 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. Keeping the radio on but the engine off. Mercedes auxiliary battery location Where is the auxiliary battery on a Mercedes C-Class? W205. Knowing what tools to use and following safety precautions is essential for a smooth process. I have taken my car back to the dealer and recharged the car for 3 times. Nov 25, 2024 · The battery shown above has 35 cells—a nominal voltage of 3. 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. 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, Nov 19, 2014 · Battery Drain Issues aka Parasitic Draw - seems to be an ever more common problem, as manufacturers continue to add electrical and electronic devices to automobiles. Addressing these issues promptly is crucial to maintaining the vehicle’s reliability. 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. We discuss the most common c Jan 10, 2024 · The reasons for battery problems in your Mercedes car Here are the most common reasons why your battery triggers warning lights and messages in your vehicle: the battery is old and about to die - doesn't matter if it's about the main or auxiliary battery; Sep 13, 2023 · The “Auxiliary Battery Malfunction” warning typically refers to a problem or issue with the auxiliary battery. National Highway Traffic Safety Administration (NHTSA) has logged numerous complaints from vehicle owners regarding a battery issue in several 2020 and 2021 models. Other possible problems with Mercedes-Benz hybrid vehicles are: Power Electronics Module Sep 15, 2005 · I'm not sure if these issues are related, but it appears that a bad battery can cause weird electrical issues. Plus, find expert tips on using mechanical keys and knowing when a By following these steps, you can rule out or confirm if the battery is causing the starting issue with your Mercedes. I hooked it up and it was only charging one amp on the meter. I have two battery chargers. 5amp). Charging a Mercedes battery requires preparation to ensure safety and effectiveness. Signs of a Failing Battery. I attached a tech document that explains the dual battery architecture for the E 5 days ago · The auxiliary battery malfunction on a Mercedes refers to a problem with the secondary battery that supports various electrical components in the vehicle. 1. For starters, the battery terminals can become corroded, leading to a connection problem. Last time, I charged the battery and two days after the battery went low again. Issues with the fuel system can also prevent your Mercedes from starting. For giggles, took in to advanced to have them test the charge system and they verified the battery and alternator are good. 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. Jan 23, 2019 · The doors are controlled by the big battery in the drunk behind the cover wall. A lot of other drivers have been dealing with issues related to the battery, such as unable to start the car and even shutting off while in motion. An overview of Mercedes-Benz GLE battery problems. Before you do anything, check for a parasitic electrical draw, and find out what may be causing the short circuit and draining your battery. Don't drive yourself crazy over this. I get a recurring warning alert "the starter battery charge status is very low. It is a Mercedes - different. I have even unhooked the battery terminals and the battery still goes dead. More than 3 days, and it sounds like you might not be going anywhere. Jul 3, 2024 · Mercedes Battery Drain Failures On July 1, 2022, Lieff Cabraser and co-counsel filed a federal automotive defect lawsuit in Georgia district court against Mercedes-Benz USA LLC and Daimler AG alleging breach of warranty, violation of state and federal consumer fraud laws, fraudulent Sep 4, 2023 · 2. Installed new battery, everything is fine for a few days. I'm just sharing, perhaps this may help some others that have the same problem. It is a genuine Mercedes battery, 2 1/2 years old. Mar 21, 2024 · The recall affects 116,000 2021–2024 GLE and GLS SUVs from Mercedes-Benz, Mercedes-AMG, and Mercedes-Maybach to fix an issue with a 48-volt ground connection that could come loose. May 8, 2023 · Mercedes-Benz is recalling 3,823 of its 2022-2023 sedans because the high-voltage battery monitoring system software may not alert the driver of a battery malfunction. Here are some common symptoms of an aux battery malfunction on a Mercedes: Dec 6, 2011 · Issue: Battery is dead every morning. Check the Vehicle Battery Voltage: A weak or dying battery can prevent the EIS from functioning properly. Anatomy of the Auxiliary Battery System. 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 Sep 24, 2017 · BenzWorld. Feb 23, 2010 · This post never indicated that the auxilairy battery is located under the front passenger floor. Preparing to Charge the Battery. 7 volts and a max of 4. Apr 3, 2024 · The Mercedes-Benz GLC battery drain issue is a common problem faced by many owners of this luxury vehicle. There are several common symptoms indicating a battery problem in Mercedes vehicles, including the E-Class model. Dec 24, 2021 · One consumer products law firm has filed a class action lawsuit against Mercedes-Benz and others are investigating multiple complaints about sudden vehicle battery failures across the Mercedes-Benz line. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! May 6, 2024 · Replacing this auxiliary battery resolved the issue. Recognizing these problems helps maintain your battery’s health and ensures smooth operation. You can spend many thousands of dollars over really minor issues with ABC equipped cars. How Mercedes-Benz GLC battery drain affects overall vehicle performance. In this section, we will provide a comprehensive guide on how to fix the auxiliary battery issue in your Mercedes GLE, including tips on maintaining the battery’s optimal performance and detailed instructions for auxiliary battery replacement. Trunk and engine batteries are fine when running. Believe the battery was original fit, so I got about 6 years before replacement. Best H Jul 19, 2024 · Why is my Mercedes battery not charging? Mercedes Battery Not Charging – Case Study. May 19, 2015 · Your vehicle's battery must be above 75% (12. Diagnosing Fuel System Issues. The problem, discovered during battery and software testing in May 2022, may cause the […] Aug 17, 2024 · Learn how to diagnose and resolve the 12V Battery Mercedes Warning in a Mercedes-Benz GLC 253. Sep 8, 2018 · My car is a Dec 2011 C-Class Coupe 1. With so many electronic components, things go wrong and could end up draining one of the batteries. They are located inside the high-voltage hybrid battery and can fail. Battery was still under warranty, so suspecting it was the battery, took it back to autozone. Apr 28, 2023 · If you own a Mercedes and have been experiencing 48 volt battery problems, you’re not alone. ) Aug 1, 2023 · If the car sits more than a day, the battery sounds weak when you go to start it. It seems that all new cars with modern electronics suffer from battery issues. 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. When I thought about calling other dealerships I was shocked to learn that the one I've been in touch with has a 4. Mercedes Tech Talk - C43 (W205) Battery related issues - Sup guys- I'm a big DIYer and do almost everything to my own cars. Jan 19, 2020 · I have been working to reolve an overnight ghost battery drain on a 2007 SL550 The attached pictures show the method I used to find out were the drain was coming from ( In this case the rear SAM) The same method can be applied to the front SAM units. Mar 17, 2020 · I found some possible causes for your problem from a YOUCANIC page: Keeping ignition on with the engine turned off. 56 May 6, 2013 · With age none of these parts hold pressure for more than a few days - so the battery has to come into play. Your Mercedes is a highly electronically saturated car and it has dozens of control modules. The 85-page case says the electrical system issue responsible for the rapid battery drainage problem can occur unexpectedly and leave a driver stranded with an inoperable vehicle. Jun 3, 2023 · Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. Jul 24, 2018 · Problem continued (actually dead once). 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 Apr 7, 2015 · My Mercedes: 2014 S550 (current) 2011 E350 Wagon (current) Still % of charge and capacity are different issues. 5 v and is still 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. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Nov 10, 2024 · By understanding battery types and potential issues, you’re better equipped to maintain and charge your Mercedes battery effectively. Jun 18, 2015 · Mercedes-Benz E-Class and E-Class AMG: Why is My Battery Not Charging? The Mercedes-Benz E-Class has one main battery in the trunk and an auxiliary battery in the engine bay. It is a small battery, almost identical to those that can be found in home alarm systems (the small ones, 1. 1 volts per cell. But I still May 9, 2023 · Mercedes-Benz USA is recalling some of its electric vehicles (EVs) produced between 2022 to 2023. Some common Mercedes-Benz battery problems in the GLE model include: Mar 8, 2024 · It’s essential to identify the specific cause of the battery drain to address the issue effectively and prevent further GLC problems. You can charge old battery to 12. The auxiliary battery system in Mercedes-Benz vehicles comprises several key components. The models included are the S-Class hybrid, EQS, and EQE. If I do not drive the car for a couple of days, the battery drains. How to Fix the Auxiliary Battery Issue in Mercedes GLE Feb 5, 2023 · Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. GLC2023 300 AWD 12V low battery. I know I'm due for a battery replacement having had the original for 9. The automaker said that the issue stems from the battery warning system of the said models. Then they kick on. I realise it is a different make etc, just mentioning it as a possible. Tried charging it, but my stupid charger sees < 6V and will only recharge it to 6V (dumbest design ever!). 1 volts, (later after battery tests it cranked just fine. Tracking them down can be a very time consuming task - and general "Pain In the Ass" {PIA}. E-Class (W211) - battery issue comes after cold - My W211 （2006 e280 cdi）has recently had battery issues as the temperature dropped to 0, which I know is a topic that is often discussed. Quite a job to access it (need to remove the seat). One is an old automatic ten amp. I've learned over the years that with a good scan tool I could always go in and specifically ask for what I need. If it’s below 12 volts, the battery is likely the issue. To access the battery voltage turn the key to the 'accessories on' position. 5/5 star. Never used the GLC START/STOP functionality. When this battery fails or malfunctions, it can lead to issues such as difficulty starting the car, power loss to accessories, or warning messages on the dashboard. veena_anchan; Jun 3, 2023; 2. 6 volts) of its maximum charge level before an accurate test of the charging system can be made. 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. Replaced. Feb 21, 2022 · I suspected that perhaps the starting battery was dying. In this section, we will provide an overview of the Mercedes-Benz battery and discuss the Mercedes car battery in detail. Mercedes issues related to battery drain can have a significant impact on the overall performance of the vehicle. I charged the battery and it read 13. There is no warning inside the car and the car starts up just fine. To ensure the vehicle will start, drive 30-60 miles, or connect to a battery charger". 5/5 stars on Yelp while about 5 of the other closest dealerships have a 3 to 3. When the temperature is normal, a message will appear that the ?Convenience Functions Temporarily Unavailable is temporarily Nov 10, 2020 · That does seem to be the problem and the voltage problem wasn't that noticeable until the battery drained completely. Jan 10, 2024 · Here are the most common reasons why your battery triggers warning lights and messages in your vehicle: there are issues with control modules that control the batteries and charging. I drive the car all day, and it's at 800 by end of day (so the alt is charging the battery). Feb 12, 2023 · The battery and alternator are all part of an electrical system that must be maintained. Reports include sudden drastic battery failures including in Class S, Class C, Class G, GLE (once Class M), and Class E vehicles. Identifying signs of Mercedes car battery issues. L Good luck isolating the issue. More than 5 days, you won’t be. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. A fully charged battery should read 12. I also tried all 3 key fobs to make sure that it wasn't a bad code issue on a particular fob. When the auxiliary battery malfunctions, it can lead to various problems related to the vehicle’s electronic components and systems. The dealer said they have exam the battery and it was normal. Battery corrosion keeps the connection from being secure, causing all kinds of trouble with starting and running accessories. I’ve taken it to two independent repair shops, Mercedes of Beverley Hills, and Hohen Mercedes in Carlsbad, Ca, who just had it for a week. We provide detailed steps to open your key fob, replace the battery, and reassemble it with precision. 6 volts or higher when the car is off. Mar 30, 2024 · This problem can affect various models, including the Mercedes-Benz GLE. Mar 26, 2024 · Solving the Auxiliary Battery Issue. My convenience settings will not work until the engine has ran for about 10 to 15 minutes. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. Plus - starting is less of a problem than ordinary cars. Nov 7, 2024 · Unlock the mystery of your Mercedes key with our comprehensive guide! Discover common issues like low battery and key malfunctions, and learn how to troubleshoot effectively. Look for these signs that may indicate your battery is failing: Slow engine crank: Difficulty starting the engine often stems from a weak battery. Engine battery will show 12. 8 petrol turbo with stop/start, it has the original batteries (starter and aux), the article above is rubbish, if the Aux battery fails stop/start won`t work, that`s it, everything else runs off the main starter battery, as already stated, if you have battery problems just disconnect the battery sensor 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. Jan 6, 2023 · Apologies for this long Post but it might be of help to others here with similar issues. Oct 4, 2024 · You may encounter several common issues when charging a Mercedes battery. 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. What can the problem be? Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. Only one EQS 580 SUV and 2023 AMG EQE are affected by the recall. What was the final diagnosis on your S class? 3. This drained the battery over a few days. 5 years, but I'd like to check that I'm not over simplifying the problem. 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. That is for the regular battery in the car, right? Or is there another battery in the car that this is referring May 2, 2024 · In this section, we will provide an introduction to the common issue of battery drain in Mercedes-Benz E-Class vehicles and give a brief overview of the E-Class model. By understanding the battery drain issue in Mercedes-Benz GLC, you can take appropriate steps to prevent and fix the Jul 6, 2022 · A proposed class action lawsuit claims that certain Mercedes-Benz vehicles manufactured between 2004 and 2022 suffer from a defect that can cause rapid battery drainage. 2 volts to 12. Jul 11, 2023 · The recall affects the 2022-2023 Mercedes-Benz EQS 450 sedan mostly with 5,051 units, followed by the 2022 EQS 580, with 2,736 units, and the 2022-2023 Mercedes-AMG EQS, with 492 vehicles. Now I am having a problem bcz my new battery is not able to start the car. Diagnose the problem here. Mar 17, 2024 · Is There a Problem with the 48V Battery in Mercedes-Benz Vehicles? Yes, there are major problems with the 48V battery in a wide range of Mercedes-Benz vehicles. After I jump start, the battery quickly raises to 550 after about a half hour. Trunk battery will show no power after a few minutes. Section dedicated to technical and mechanical issues found on the 2015+ Mercedes GLC. When rear battery dies you will lose access to the doors. Dec 8, 2024 · How to Troubleshoot Battery and Electrical Issues. Apr 15, 2022 · The earlier W221 have two batteries, a consumer battery in the trunk and a starter battery in the engine bay. I am a low mileage driver, daily commute is around 10 miles. Daughter had a Civic with this issue - turned out to be the Bluetooth module remained on, even when the ignition was off and then car locked up. hlmt cbj lifnuf jxv ejvcauz yld czj cwsa yshmvj xgwsut