Mercedes 48v battery problems reddit Now the question I have is should I make it the 14S one or should I go and make it a 13S and what BMS should I get. This sounds like it could be related to a battery failure. They quietly released an official recall in February which was a software update that seems to have solved the issue. The charger shut off but the battery pack only measures a little over 40 volts. 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. This could potentially mask other issues. Incorrectly installed electrical ground” Potential Number of Units Affected 12,799. I would honestly avoid forums on the 48V problems, no one outside of dealer techs has worked on them since they're all under warranty still. Apparently, the 48V battery issues that plagued the 2023 are recurring in the 2024s. They screwed up the launch of the C Class with those issues and they’ve gotten even worse on the GLC. It wouldn't go into neutral and the tow tuck had to use a dolly to move the car. I’m hoping that the next generation systems are much improved. 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 I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. The car simply bricked. Did the regular maintenance and it drove like a dream. 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. Now I'm reading up on all of the 48v battery problems and the fact that these hybrid engines are going to be impossible to maintain moving forward. 6 volts. Mercedes is currently completely redeveloping their vehicle IT hardware and software structure to drop down to exactly 4 computers used for the whole vehicle, which will make these problems disappear, but it´s a huge challenge to get this done with all their suppliers etc. BUT, consumer reviews have been confidence denting. Apr 28, 2023 · If you own a Mercedes and have been experiencing 48 volt battery problems, you’re not alone. What is your experience with these 48v systems (good or bad)? I'm seeing some reports on a fix being a computer reflash/update, and others replacing the 48v battery. 240 votes, 18 comments. May 7, 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 MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. From a basic google search I’ve found it not just limited to the A6 but a whole bunch of other Audis (and Mercedes) that use the 48v battery system, including those in the screenshot I posted. Mercedes-Benz USA, LLC. And I’m embarrassed we work for the same company And, since when does a 2019 E53 even have a 48volt battery system? First models with the system were the 167 and 223. Definitely go for the 450 over the 350 though if you can. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. These cars should be recalled, but Mercedes seems to be taking a workaround. The dealer said the 48v went bad. Last time, I charged the battery and two days after the battery went low again. One thing to keep in mind is that the 48v system replaces the need for a belt driven system. Using a 48v battery on a 36v ebike Hey everyone, after riding an old 36v ebike I found used for the better part of 2020, I finally took the plunge in septemberand used my savings on a 2020 Voltbike Mariner. 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 Dealer is offering me a good deal on 2024 GLC 300 RWD. (And a few that would have been driven by engine rotation via belt are now electric 48V like the air conditioner compressor. We haven't seen them come back after replacing the DC/DC converter or 48V battery. Soon after that quote however they told me that the fault could be rectified without replacing the battery but by simply performing a software update on the existing one. In 5 mo, MB has released almost 30 TSBs. The dealer said they have exam the battery and it was normal. This was completed at the cost of 1. 48v system has no impact on performance. I would assume that’s the setup the cybertruck has. Mercedes 48V system has solely a 48V 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. Is this common? Looking at a 2022 E53 AMG that seems like a very good deal. 149K subscribers in the mercedes_benz community. Many of the components that would have been 12V are 48V. The BMS cannot be reset or reprogrammed with conventional scan tools. To even order a 48V battery, you have to open a PTSS case. I have a 21 GLE and the 48v died today. The problem has been a long game of chicken between the two groups, and no one wants to blink first. But now I'm starting to think this might end up being a bit of a money pit. With Mercedes 48v architecture there’s still a 12V battery. Is the BMS bad? Are there bad cells in the pack? How is the best way to diagnose it? The battery I will be using will be the Samsung 50E - 21700 - 5000mAh - 10A I will make it a 14S 12P for a 48V 60Ah battery. Reply reply Literally just had the car in a few months ago for a routine check/oil change and not a single warning. If the cybertruck is a full 48v architecture all the way to the battery then you may not be able to jump it off a 12v battery in the traditional sense. Many people have had to have multiple battery replacements due to repeated failures. And the 48V battery system has been problematic for some folks. There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. It has a bidirectional converter to convert between 12v and 48v. I found CPO models near the same price as some non-MB dealer options, and ended up with a same 2020 model year as a CPO I was cross shopping, but the non-CPO car was registered later by 14 months and had a factory warranty LONGER than the CPO option. 6 hours labour. At first they quoted me £1,324 for replacement of the battery including labour and VAT. At first my battery wouldn't take a charge but I got it to jump and charge. I find it hard to accept. I've got a year left of the manufacturer warranty and was considering extending the warranty. $46k+tax after discounts and incentives. (MBUSA) is recalling certain 2020 GLE 350, GLE 450, GLE 580, GLS 450, GLS 580 vehicles equipped with an optional illuminated Mercedes-Benz star logo in the front grill. There are lawyers considering a class action lawsuit over the 48v EQ system as used in multiple cars - because in a few cases the battery has failed while driving on the highway. I have taken my car back to the dealer and recharged the car for 3 times. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. I've have a leased 2021 that has been trouble free. When I measure what's coming out of the BMS there's only 19. The suppliers won't put out 48v parts until enough OEMs commit to going 48v, and the OEMs won't commit to going 48v until the suppliers commit to having the parts. Definitely a good idea to take the car in. Also, I see that a 12v charger might charge 48v through a converter, but no Does anyone else have a Mercedes sitting a dealer waiting for a 48V battery system? My 2021 GLE450 (which has been problem after problem, even outside of the 48v issues) has been parked at the dealer for a month, I was told it would be ready 9AM the next day on Oct 17, then I was told 5-8 business days, then "a couple weeks" then "end of November", and then, when I picked up the loaner, "3,4 Well, maybe for the cars that have auto/start stop issues, largely the SUV’s… some have 48v system issues, especially the GT’s… another car I just worked on last week had a once in every 8,000 mile problem that said: “do not shift gears”. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. Dec 24, 2021 · A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a… The system informed me about critical battery low for more than 10 times. Every car just has a different problem, it’s really difficult to pin down. ). The 48v battery used for the mild hybrid system failed in my friend’s 2022 C300 and the car had to be towed to the dealer because the car refused to start. Go back to school lol I owned it for a little over three years and right under 30,000 miles. That was a GLC 300. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). The new GLC sucks in terms of reliability! In the GLC 300 Group on Facebook, there are several owners reporting 48v battery problems along with them just bricking themselves. It’s all driven through the 48v battery. Looking at a 2022 E53 AMG that seems like a very good deal. zndav vafdk pnyhvrsd pjo halkkq wzrhmkld yquuj rboxt eiqco osnsd