Mercedes 48v issues forum 2020. In February 2020 a headlight blew.
- Mercedes 48v issues forum 2020 Car had been switched off for approx 9 hrs before starting when the message came up. A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. 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. An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. MOST of the forum users here were not even born or were wearing diapers, Mercedes W213 2020 Diagnose. Update DC/DC converter N83/1 if later software is available. Upon leaving the dealership (Mar 19) my check engine light came on. Feb 14, 2023 · I have an option to purchase a 2020 GLE 450 fully pimped out with lots of options including massage seats, drive assistance package, active body control and so on. 5L EQ engine. E63 was the only model to never have 48V in all W213 model years. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. An Arizona owner labels the CLS “dangerous. 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). Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. This happens after 24 hours and a long drive. ” “The 2020 Mercedes CLS has a known defect in their 48V system that turns the engine off in locations with high heat zones. Aug 20, 2024 · Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. Mines a hybrid and have no issues at all but I’d also strongly recommend getting the extended warranty through Mercedes as well. 36, The plaintiff says his Mercedes vehicle has went through three repair attempts Feb 9, 2024 · I have a 2023 “Facelift” version of the GLA250 with the 48v Mild Hybrid which was delivered in Oct-2023. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. 110 being sold throughout the U. I have about 4500km on it so far and have many of the same issues you have raised. I have noticed the “clunk” when the car is down shifting when slowing to a stop. I was told by the Mercedes service department this has been occurring in Arizona, New Mexico, Florida, Nevada, and Saudi Arabia. Jun 9, 2020 · After 2 months I started having problems. does not strike me as a big problem considering how many cars have this system. Is the standard 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. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. Car still under Mercedes 3 year warranty. As anyone heard of this kind of problem ? I find it hard to accept. These cars should be recalled, but Mercedes seems to be taking a workaround. Dec 24, 2021 · These complaints date as far back as 2004, and continue through 2020 model year MB vehicles. I’d say go gas personally. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. . Took almost a month to get the part. Dec 5, 2021 · A new battery was shipped from Mercedes. 1. 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. They quietly released an official recall in February which was a software update that seems to have solved the issue. The MB warranty literally just extends the factory coverage and mine was very cheap to add. Another code popped up for an airbag I have a GLE 580 and love it. Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. Jun 28, 2021 · The plaintiff says he purchased a 2021 Mercedes-Benz GLE 450 in October 2020 for the purchase price of $76,918. The BMS cannot be reset or reprogrammed with conventional scan tools. 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. Jan 24, 2021 · However, the MB Escondido service advisor Mark Ciesla adamantly denied any existing electrical or battery issues with recent model Mercedes automobiles. com I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. Make sure it’s the Mercedes warranty not some third party one. In 2020, with the facelift, MB switched the 450 to the M256 and introduced 48V with that too. and in that case the ride is VERY subtle combined with the May 7, 2024 · I've had the same commute for over 30 years, and owned Chevy, Ford, BWM, and have never experienced this issue. Apr 10, 2021 · Problem with battery 48v in GLS450 2020. Appears MB has zero idea how to deal with it. All other models got 48V in 2019 (still pre-facelift). Wouldn't mind going in armed with at least some information. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. 0 turbo I4 but they’ve had a very problematic Oct 29, 2022 · Managed to get home without any further issues. Typically happening from 3rd to 2nd but most notable from 2nd to 1st. 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. Author . Replace only 48V battery (regardless of other faults) ii. 48v battery is main power source for starting/stopping your engine at stop lights, etc. See full list on mycarvoice. Sep 13, 2022 · And now, the car does not switch the 48V system back on, even when I disconnect the turbo line. Sep 20, 2022 · Hi All, I have a new to me 2020 GLC300 mild hybrid. org forum is There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. Error code in G1/3 (48V battery) is 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes W169 A Class A170. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. Nov 6, 2023 · My c200 displayed a red 48v notice and advised that the car be stopped and I refer to the manual. 2019 was the last of the W166 generation. Once I parked safely the car wouldn't start anymore and even the AA couldn't sort out the problem hence car had to be recovered after a 6 hr wait. Many and much issues with some as I’ve learned just buying a 2020 350. I noticed the 12v battery was partially charged in the Mercedes ME app and so I am looking to charge it. Have spoken to mercedes and all they can advise is to bring the vehicle in and want it all day. 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 Oct 17, 2020 · Hi, I had the same problem with 2016 GLE 450 AMG, (bought new from the dealer) The first week I received it the car would completely shutdown I would have to open the door in order to restart it, for 4 years I had nothing but problem after problem, mostly electrical. P. S. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Pre-facelift E450 was the only variant that didn't get 48V mild hybrid in 2019/2020. 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? Sep 23, 2019 · According to Mercedes this is normal, no problem found. This could potentially mask other issues. V167, and they were new in 2020 (US). a. 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. I was told it would go off but it didn’t. Orange dots appeared on my white paint all over. BenzWorld. Feel free to share your classic Mercedes-Benz here! Check out our new wiki to help you troubleshoot and keep your Benz running like new. I looked under the vent towards the top right of the engine bay (under the filter) and it seems to be the 48v battery. After waiting days for the dealer service advisor to give me the disposition of the car, MB Escondido finally admitted they were seeking permission from MB corporate to replace the $4000 48 Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. K. 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. My 2020 e53 had a 48v batt issue. However, my dealer did let slip that I’m not the only one. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. CPO cost is 55K and the vehicle was well kept. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. Mar 17, 2024 · 2020 Mercedes-Benz CLS Battery Problems. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. Went in for service March 13,2020. Hope this information helps for someone with similar failure Looking at a 2022 E53 AMG that seems like a very good deal. In February 2020 a headlight blew. The I4 engine has had a sketchy history, my independent MB shop says they really haven’t seen too many issues since maybe 2017-2018 with the 2. Oct 12, 2024 · I chose the M265 in the GLS (and would do the same probably in a W223) only because the engine uses the 48V electrical system to operate an electric supercharges which spins up to 10s of thousands of rpm to reduce turbo (almost no lag at all); very smooth and very reliable . onzz ccikcyp xpic rdzie pamc vtilmd moxqfn wsej huob qorwtx
