Mercedes 48v issues forum 2020. I’ve read about this battery issue in several forums.

Mercedes 48v issues forum 2020 Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. Author 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. But based on comments on mbworld. Upon leaving the dealership (Mar 19) my check engine light came on. Dec 7, 2024 · CLE Class Coupe (C236) & Cabrio (A236) - New 2024 CLE300 Convertible - Hi. I have had a number of computer related issues. Has anyone else had problems like this? Jun 3, 2023 · Maybe it is connected to online services, alarm system, 360 degree feature or whatever. Many and much issues with some as I’ve learned just buying a 2020 350. Confirm completed guided test(s) for every fault code--not just 48v 5. Jun 25, 2021 · Mercedes Me is reporting a critical battery condition and has also sent me an email to that affect. Nov 15, 2023 · 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 Sep 23, 2019 · According to Mercedes this is normal, no problem found. Forums. 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 . I have a 2020 GLE 450 4MATIC I purchased back in August 2023. Make sure it’s the Mercedes warranty not some third party one. Jun 28, 2021 · The class action lawsuit says Mercedes issued a TSB in January 2020 regarding 2021 GLE 450 SUVs and the 48-volt batteries. The battery is getting old and will not hold the same voltage as when new. I have about 4500km on it so far and have many of the same issues you have raised. ?. That was a GLC 300. 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”. 000 Miles Hi guys last night after driving for like 15 mins all of the sudden the engine heat goes to the maximum and I get the message that coolant is too hot stop vehicle, as I stop on the side of the road I turn off the engine go check the hood the engine seems perfect not any smoke just the fan working at maximum. 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. However, the car shows no history of the Check Engine light going on at all. 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). Mar 26, 2023 · Hello everyone I have a problem with gle300d mild hybrid I need to unlock 48V battery eprom Car not starting after accident with a red notification on board and showing dtc (B183387) Tks MHH Auto ™ Guest Feb 2, 2014 · E63 AMG Things I would look for with this car. It can’t be charged separately, it’s a mild hybrid, it’s not helping you much with gas mileage , more of a boost of low end torque. 0 turbo I4 but they’ve had a very problematic Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. I have noticed the “clunk” when the car is down shifting when slowing to a stop. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. 2023–2024 Mercedes-Benz GLE350, 2020–2024 GLE450, 2020–2023 GLE580, 2019–2023 GLS450, 2020–2023 GLS580, and Dec 24, 2020 · Location NY, USA 2015 Mercedes GLA 250 4MATIC 39. A low battery can cause all kinds of problems. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. 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 Jan 5, 2021 · 4 months and 3,000 miles into my 2021 GLE53 AMG. Another code popped up for an airbag Sep 20, 2022 · Hi All, I have a new to me 2020 GLC300 mild hybrid. Typically happening from 3rd to 2nd but most notable from 2nd to 1st. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. Technical 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes Appears MB has zero idea how to deal with it. See full list on mycarvoice. (Dec 2019) Problem stared again in late Feb 2020. . This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. 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? They will usually have MB Aug 20, 2024 · Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. Replace only 48V battery (regardless of other faults) ii. 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. claim he currently experiences any problems with his GLE 450. Pre-facelift E450 was the only variant that didn't get 48V mild hybrid in 2019/2020. second message: Stop the vehicle coolant is not working vehicle is Jan 24, 2021 · However, the MB Escondido service advisor Mark Ciesla adamantly denied any existing electrical or battery issues with recent model Mercedes automobiles. I was told by the Mercedes service department this has been occurring in Arizona, New Mexico, Florida, Nevada, and Saudi Arabia. Orange dots appeared on my white paint all over. Home. However the car display is not showing a problem as it did correctly on a previous occasion. Got the car in March 2019, problems started in October 2019. 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. Hope this information helps for someone with similar failure Looking at a 2022 E53 AMG that seems like a very good deal. Recognize the role of the 48V battery in Mercedes-Benz vehicles and how a faulty 48V battery can contribute to battery drain. 110 being sold throughout the U. I looked under the vent towards the top right of the engine bay (under the filter) and it seems to be the 48v battery. Therefore, introducing outside coding could cause issues in the long-term. Jul 24, 2018 · I have a 2019 GCL 300. The V167, and they were new in 2020 (US). Confirm all 48v components can be actuated via Xentry guided tests 4. This happens after 24 hours and a long drive. Mercedes Comand/Audio antitheft codes all NTG Mercedes Garmin Map The contents of this forum are for experimental Oct 29, 2022 · Managed to get home without any further issues. Cacastle; Dec 6, 2024 48V Battery Help! matt2622; Aug 20, 2024 Mercedes EQ Forum 7K members. org Forums Mercedes 48-Volt Battery Defect Investigation – Owners & Lessees Of 2019-2022 Mercedes E- & CLS-Class & Mercedes GLE 450, GLS 450 Vehicles Encouraged To Contact Kehoe Law Firm, P. 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. (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. The most recent of which is receiving the 48V Battery Malfunction message and my Check Engine light went on. 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. May 19, 2024 · GLC Class (X254) - Bad user experiences with issues with my 1st MBUX updates - Yesterday, Mercedes 2024 GLC 300 4matic SUV's MBUX said an update available was available. My name is Joe. Mercedes-Benz USA, LLC. Update DC/DC converter N83/1 if later software is available. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Feb 9, 2024 · I have a 2023 “Facelift” version of the GLA250 with the 48v Mild Hybrid which was delivered in Oct-2023. The MB warranty literally just extends the factory coverage and mine was very cheap to add. In 2020, with the facelift, MB switched the 450 to the M256 and introduced 48V with that too. Fall 2020, as soon as it's colder, the problem starts again. Went in for service March 13,2020. Mar 30, 2024 · Follow troubleshooting steps to diagnose battery drain problems and address common electrical issues. Jan 11, 2024 · Hello. 48V battery malfunction 2. Every car just has a different problem, it’s really difficult to pin down. com Le forum 100% non officiel et indépendant des passionnés Mercedes-Benz Aug 7, 2024 · Today, more than ever, there are ongoing software updates to fix issues, and these updates are done after the OEM has oftentimes worked with multiple suppliers because coding changes can affect multiple controllers in the car. 1st visit: there is nothing wrong (Nov 2019) 2nd visit: we'll replace the faulty battery. 930 It has the 48V Hybrid system with ISG and the e-booster electric turbocharger Car came in because of flood damage - cleaned out everything - and replaced some relays, can connectors and other modules etc that were faulty Was able to start the car and it ran and drove - but the bottom end power was low - diagnosed this problem Nov 6, 2023 · As above, most likely there's an issue with the mild hybrid battery on the 1. My 2020 e53 had a 48v batt issue. 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. does not strike me as a big problem considering how many cars have this system. com: passionné(e)s de Mercedes-Benz, visitez le forum pour en découvrir davantage. I was told it would go off but it didn’t. Mar 31, 2022 · 2020 GLE 450 Starting Issues. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. P. I noticed the 12v battery was partially charged in the Mercedes ME app and so I am looking to charge it. BenzWorld. Dec 5, 2021 · A new battery was shipped from Mercedes. Voltages are good, the battery is 2 1/2 years old and I have been doing long journeys. However, my dealer did let slip that I’m not the only one. Bought a new 2024 CLE300 Convertible on Nov 2, 2024 and drove it 7 days when the 48 Volt system experienced issues. An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. The car would not unlock with the app or the key fob and when I manually use the key to open it, the mirrors and some of the electrical still would not work. Dec 2, 2022 · Have brand new 2023 S500 Executive Series. Mercedes-Benz Vans Jul 31, 2023 · I’m a big fan of IL6 engines so I’d really like the E53 the only thing holding me back is the added complexity of the starter generator 48V hybrid system, if it proves reliable (introduced in 2019) I’ll probably bite the bullet and buy one next year unless a really well looked after E43 turns up (only made 2017-18) 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 seems to be the now-common problem of the faulty 48 volt battery needing replacement. 361) Engine: 256. Came back from Europe, COVID started. The top destination for Mercedes and AMG discussion, news, and rumors 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 Incorrectly installed electrical ground” Potential Number of Units Affected 12,799. An Arizona owner labels the CLS “dangerous. Forum-mercedes. A battery charger may allow a float charge which will temporarily let the Stop/Start system become available again but will decay very quickly to a level that the engine management system decides the function cannot be made available. They had my car for 5 days, sanded our the pain and reattached it all then said it was fine. Sep 13, 2022 · Hi all I'm working on a 2020 W167 GLE AMG (167. Reply reply Apr 1, 2024 · 2020-2024 Mercedes-Benz GLE 450; Mercedes believes the 48V ground connections under the passenger seats may have come loose during the assembly process. Car still under Mercedes 3 year warranty. 1. Apr 10, 2021 · Problem with battery 48v in GLS450 2020. That being said 2021 and 2022 have been substantially better. ) The very big issue is the engines head bolt issue. Car had been switched off for approx 9 hrs before starting when the message came up. May 13, 2020 · Your car is the same age as mine. saying (what Oct 18, 2022 · Dealer just diagnosed the problem from examining fault codes. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). Day 2… Engine light, electronics issues. Looking at a 2022 E53 AMG that seems like a very good deal. M156 head bolt problems - Page 16 - MBWorld. 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. 2. I brought it back to the dealer multiple times and they say it’s software update issues. a. 2019 was the last of the W166 generation. Is the standard Jan 24, 2021 · However, the MB Escondido service advisor Mark Ciesla adamantly denied any existing electrical or battery issues with recent model Mercedes automobiles. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. 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. I have a GLE 580 and love it. The Forums are now open to new registrations, adverts are also being de-tuned. Wouldn't mind going in armed with at least some information. org forum is There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. Gave up. Jun 22, 2021 · The 69-page first amended complaint, removed to New Jersey District Court on June 18, claims Mercedes-Benz knew of the 450 GLE electrical problems as early as January 2020 yet failed to disclose the defect, and drivers have in turn seen the value of their vehicles diminish after repeated unsuccessful repair attempts, the suit says. K. 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. E63 was the only model to never have 48V in all W213 model years. 3 minor issues: 1) driver side headliner microphone stopped working, resulting in having to shout into the passenger side headliner microphone in order to be heard on a phone call, or using "hey mercedes", 2) audio volume adjuster does not gradually raise/lower volume, instead it jumps several levels with each turn of the adjuster, 3) the Looking at a 2022 E53 AMG that seems like a very good deal. Hear it is…$4,000. I’ve read about this battery issue in several forums. S. Mar 17, 2024 · 2020 Mercedes-Benz CLS Battery Problems. Bumper Backup Light Problems Apr 14, 2022 · Mercedes said it was a manufacturing problem to do with the grounding of the 48V battery in the enginethat there was 'paint' in the way and it wasn't ground properly. A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. Less than 3 months and a few thousand miles later I had the exact same problem. I’m glad it’s leased, not purchased. Took almost a month to get the part. 48v battery is main power source for starting/stopping your engine at stop lights, etc. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. I was hoping it would fix the lack of You forgot your phone. Implement effective strategies to prevent battery drain, such as regular maintenance of the electrical system. They quietly released an official recall in February which was a software update that seems to have solved the issue. The light goes on randomly while I’m driving. Mines a hybrid and have no issues at all but I’d also strongly recommend getting the extended warranty through Mercedes as well. CPO cost is 55K and the vehicle was well kept. ” “The 2020 Mercedes CLS has a known defect in their 48V system that turns the engine off in locations with high heat zones. Jun 9, 2020 · After 2 months I started having problems. I’d say go gas personally. Each time engine light comes on, Benz dealer cites different issues. . C. 5L EQ engine. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. If you know the car is going to sit for ”extended periods of non-operation” (Mercedes manual) you should turn on the “standby mode” found in the multimedia system under settings>vehicle>open/close. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. My E450 is only four months old with 3100 miles. Have spoken to mercedes and all they can advise is to bring the vehicle in and want it all day. MOST of the forum users here were not even born or were wearing diapers, Mercedes W213 2020 Diagnose. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE The 2020 Mercedes-Benz GLE450 has 5 NHTSA complaints for the engine at 3,300 miles average. In February 2020 a headlight blew. I delayed it since I wasn't ready since it might cause problems. 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. Dec 24, 2021 · These complaints date as far back as 2004, and continue through 2020 model year MB vehicles. Aug 30, 2019 · Coupure moteur thermique sur C200 hybride 48V / Classe C W205 / Forum-mercedes. This is worrisome for the future. All other models got 48V in 2019 (still pre-facelift). (Lake district Mercedes S-Class W222 S450/S550, Mercedes CLS-Class C257 CLS450/CLS53, X290 AMG GT43/GT53, Mercedes GLE-Class V167 GLE450/GLE53, Mercedes E-Class W213 E53 Mercedes M256 Problems and Reliability The M256 engines are still new and do not have enough statistics on common problems and failures. com 2020 model year had many issues, many of the 48v motors failed an were replaced. Mar 21, 2024 · Mercedes-Benz Recalls SUVs for Electrical Problem That Could Lead to Fire. Apr 5, 2021 · Problem with battery 48v in GLS450 2020. yacjscxl lqz fbxl jkwud drhfy hopkeznf mprlrai ustvhdqd fdnf vaqtciz