Mercedes 48v battery problems forum. Mercedes 48 battery repeaer.

Mercedes 48v battery problems forum 5L EQ engine. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. Mercedes' handling of the situation is disappointing, as the instrument panel function, designed to alert about car problems, loses its purpose when the check engine light remains on continuously. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. My 2020 e53 had a 48v batt issue. Author: vysi But based on comments on mbworld. . Mercedes-Benz issued a technical service bulletin (TSB) for this problem, NHTSA ID Number: 10189404, on February 19, 2021. Reply reply Feb 19, 2023 · I see some "it does this is does that" in the previous answers, so let me add some facts which will clarify some of the use cases of the 48V battery. Sep 20, 2022 · The Mercedes technical documents say that you cannot charge the 48v directly, so I suspect that when you connect to the jump points it goes through a control box sat on top of the 48v, that directs the flow to the 12v in the boot floor and then it uses that to send converted current between the 48v and 12v. It seems to me that with a proper 48v battery behind it and the extra electric motor to both start driving off and spin up the petrol motor instantly then eco stop/start could finally be more efficient with no drawback. It has a relay that turns off the battery when the voltage drops. I connected a bluetooth OBD II dongle to the car and I monitor the 48V battery charge with Torque App on my phone. This happens after 24 hours and a long drive. The TSB lists the possible causes along with remedies for each. May 7, 2024 · My 2023 Mercedes-Benz glc 4matic pinnacle edition has given me battery low and needs charging notices and has failed to start twice. does not strike me as a big problem considering how many cars have this system. Its now at Dealer for second time for this problem with total of 15 days of trying to fix it. 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes W169 A Class A170. See full list on mycarvoice. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. 01: 48V Battery Benefits By using a 48-volt electrical system in new Mercedes-Benz vehicles, the car can be powered solely on the electrical system battery instead of using the drivetrain batteries. After a week, I had to call but glad VM from dealer indicates waiting on MB /HQ to “approve this Warranty” issue w/48V battery issues. dc/dc converter is glued to 48V battery Oh I did try this but did nothing, I can try again but apparently they have a relay that shuts the battery down if it gets low, it's ment to be inside the battery but I have no idea, daxxer can do it but not been online for a while Looking at a 2022 E53 AMG that seems like a very good deal. Where's the car now - at the dealer? Also, you say you called out the AA - is the car not covered by Mercedes Benz Mobilo roadside assistance? Oct 29, 2022 · My wife was 80 miles away from home and upon starting my car was faced with a 48V Battery warning on the driver console and told to consult owners manual. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. Its now on the shop for that issue and unusual tire wear on the front two tires. This 48v battery located in the trunk, is unique to the 2021 model year, and apparently no spare parts are available especially critical parts needed to for the operation of the vehicle. Sep 23, 2019 · According to Mercedes this is normal, no problem found. In 3 of those occasions, jumping finally started it. I’m getting the distinct impression there is a flaw, whether mechanical or software, that MB don’t know how to fix, and it doesn’t just apply to C Class. Mercedes 48 battery repeaer. Oct 19, 2023 · Electrical System:12V/24V/48V Battery Summary: Mercedes-benz ag (mbag), the manufacturer of mercedes-benz vehicles, has determined that on certain my 2022 sl (232 platform) vehicles, after a longer non-operational time of greater than 42 days or with a battery charge of less than 45%, the following battery fault message might display in the Vintage Mercedes-Benz Owner Registry; General Discussion of Mercedes-Benz Classics; Classic Mercedes DIY tips and hints; Other Cars; Technical & Vehicle Assistance Forums. Can't really find much info on it in the manual. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. Dealer replaced starter battery. I find it hard to accept. Believe the battery was original fit, so I got about 6 years before replacement. Hell of a bit update to take 1 hour 36 minutes to load!! Windows 10 took less than that!! Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). Mar 21, 2024 · Welcome to our comprehensive guide on repairing Mercedes-Benz 48V lithium batteries using the CG100X repair tool! If you're a Mercedes owner facing battery i Mar 23, 2020 · Look at the negative battery terminal with a flashlight. 110 being sold throughout the U. org, the total lack of availability of third party 48V batts is creating a serious depreciation issue for these cars now that they get older (4+ years). ? Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. The BMS cannot be reset or reprogrammed with conventional scan tools. First time in 40 years ,have had a bad one,so May 13, 2020 · Hey Toobad, I'm not a massive fan of the feature either, but I am keen to see the behaviour of the new 300e at some point. Dec 2, 2022 · Have brand new 2023 S500 Executive Series. 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. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. Nov 6, 2023 · Looks like there's a problem with the drive battery - is the car under warranty? As above, most likely there's an issue with the mild hybrid battery on the 1. com Jan 24, 2021 · We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. They quietly released an official recall in February which was a software update that seems to have solved the issue. Each time engine light comes on, Benz dealer cites different issues. Initially, it was mentioned that the sensor module of the hybrid/high-voltage battery had a malfunction, it was suspected to be an internal electric fault. Mercedes-Benz 48V Battery TSB. So I’ll be replacing the battery this fall before winter, as I likely only have one winter left on it and would rather not find out on a Mar 22, 2023 · March 22, 2023 — A Mercedes-Benz 450 GLE 48-volt battery lawsuit is still being debated in a New Jersey federal court as the plaintiff tries to convince the judge the vehicles are defective. That means the battery was made Sep 2013 (in my case that was the date). Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Jun 3, 2023 · Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. Switching the car off and restarting seems to have cleared it. Technical Assistance Vendor Classifieds; Mercedes Tech Talk; Wheels, Tires, Suspension & Brakes Forum; Audio & Electronics; Performance Upgrades & Tuning; Detailing Jan 24, 2021 · Since then the car has been in the shop. Dec 8, 2023 · I have a 2021 GLC300 with 48v mild hybrid system and I do read the forums regularly but cannot recall too many posts about problems with this system but as has been said it is relatively new. This could potentially mask other issues. I have a V60 MHEV from 2022, model "2023". Towed the car over to the local dealership. Mar 19, 2024 · How awful,the auxiliary battery presented problems in first 3 weeks on 2nd shut down I refused to take back car, now have a brand new one and never sit in it with anything running ,or reading lightnon Nada,like you lost all faith in brand ,but My local dealer Bolands were meriful and replaced it. Day 2… Engine light, electronics issues. In 2 years you will know for sure whether it's been permanently solved, and if so - I would say it's as reliable as any other Apr 5, 2021 · Replacing the 48v battery will solve the problem. org forum is Mar 17, 2024 · The malfunction also leads to other problems including overheating and air-conditioning problems. BenzWorld. Stamped in it will be two numbers: ie “09” above the number “13”. These cars should be recalled, but Mercedes seems to be taking a workaround. Jan 31, 2022 · I read on USA forums of many problems with the 48 volt battery in these cars, but they all seem to be different to my problems. Oct 17, 2020 · I have had 4 occasions in last 3 months where 450 is dead after only sitting for an hour. Looking at a 2022 E53 AMG that seems like a very good deal. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. K. A new battery was shipped from Mercedes. Hear it is…$4,000. Managed to get home without any further issues. However, my dealer did let slip that I’m not the only one. Never used the GLC START/STOP functionality. THen it happened again last week and thus up at the dealer. jzduqj ukpl visew nlzlpadr stfn yazn enostyt hglgr hgryo ingfbxrg