Mercedes 48v issues forum. This is worrisome for the future.
Mercedes 48v issues forum Have spoken to mercedes and all they can advise is to bring the vehicle in and want it all day. 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 I have a GLE 580 and love it. Technical 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. . 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. A low battery can cause all kinds of problems. I was hoping it would fix the lack of You forgot your phone. 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. 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. 110 being sold throughout the U. Apr 5, 2021 · (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. Wouldn't mind going in armed with at least some information. Dec 30, 2019 · Update. The BMS cannot be reset or reprogrammed with conventional scan tools. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Aug 1, 2023 · The petitioner’s vehicle had just ~2,400 miles (~3,800 km) on the odometer when the issues first appeared. It might interest you to know that the Mercedes-Benz EQS is among the electric cars with extra high ceilings. Feb 13, 2023 · The dealer was unable to identify any issues with the car after it was sent to them, but they suggested replacing the battery due to wear and tear. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. org forum is May 7, 2024 · I've had the same commute for over 30 years, and owned Chevy, Ford, BWM, and have never experienced this issue. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE Sep 14, 2023 · Put 3000 miles on it with no problems whatsoever. 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. We haven't seen them come back after replacing the DC/DC converter or 48V battery. The dealer said the 48v went bad. Sep 23, 2019 · According to Mercedes this is normal, no problem found. The car simultaneously shut off, and I couldn’t restart it for about 20 secs. Therefore, introducing outside coding could cause issues in the long-term. My E450 is only four months old with 3100 miles. ) The very big issue is the engines head bolt issue. It wouldn't go into neutral and the tow tuck had to use a dolly to move the car. It seems to be the now-common problem of the faulty 48 volt battery needing replacement. com Le forum 100% non officiel et indépendant des passionnés Mercedes-Benz Feb 19, 2023 · The Start/Stop finally delivers (I turn it off in my T6!). Confirm all 48v components can be actuated via Xentry guided tests 4. The battery is getting old and will not hold the same voltage as when new. Has anyone else had problems like this? Mar 23, 2020 · BenzWorld. It has a relay that turns off the battery when the voltage drops. The shop says it needs a rear ABS speed sensor, and also the wiring harness to that is bad. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. Forum-mercedes. Forums. Appears MB has zero idea how to deal with it. However, the car shows no history of the Check Engine light going on at all. 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: passionné(e)s de Mercedes-Benz, visitez le forum pour en découvrir davantage. 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. 48v battery is main power source for starting/stopping your engine at stop lights, etc. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. In the first 18 months I owned it it was in the shop 9 times for warranty issues, including one instance of 48v failure which they "re-flashed and re-paired" the battery and it worked for exactly 13 months. I delayed it since I wasn't ready since it might cause problems. Have anyone else had this problem, was the solution to change alternator or something else? Dec 23, 2023 · ACMS Mercedes Ltd is an independent Mercedes-Benz service specialist based in Walsall. 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. 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 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 nonoperational time of greater than 42 days or with a battery charge of less than 45%, the following battery fault message might display in the 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 Jan 11, 2024 · Hello. M156 head bolt problems - Page 16 - MBWorld. Jul 31, 2023 · NHTSA Looks Into Alleged 48V System Defect Affecting the 2023 Mercedes-Benz GLC 300 Whatever the problem may be, it also results in the inability to start the vehicle. This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. They quietly released an official recall in February which was a software update that seems to have solved the issue. That was a GLC 300. Apr 1, 2024 · Mercedes-Benz recalls 134,000 GLE-Class and GLS-Class vehicles over a risk of fires. 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. Day 2… Engine light, electronics issues. Call Mark on 01922 634666 or 07530 456000 The light goes on randomly while I’m driving. Just the way the car starts when you jump in, due to the 48V motor spinning it up, it's kinda neat. Fingers crossed it’s nothing major! I have a 21 GLE and the 48v died today. 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. I’m glad it’s leased, not purchased. Make sure it’s the Mercedes warranty not some third party one. 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 Feb 2, 2014 · E63 AMG Things I would look for with this car. This happens after 24 hours and a long drive. Hear it is…$4,000. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems 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”. Looking at a 2022 E53 AMG that seems like a very good deal. Oct 23, 2023 · What Is the Resale Value of the Mercedes-Benz GLS? According to Caredge, the Mercedes-Benz GLS-Class has a depreciation value of 62% after 5 years and a resale value of $44,047 after a 5-year period. A Mercedes-Benz service manager allegedly told the owner that several other 2023 Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. Is this common? Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). 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. May 13, 2020 · Your car is the same age as mine. 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. . So I drove it. Last night while I was stopped to make a left turn in traffic, a message came up saying something about the the 48 volt 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 Jul 24, 2018 · Problem continued (actually dead once). An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. "mild hybrid" seems to be for lack of a better term, like "partial 48V electrical system with energy recovery" or whatever else more descriptive, just don't work for marketing ;-) 48V technology add in not only combustion engine boost efficiency but in parts longevity? The Mercedes EQ Boost system, set up for the 2. Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. This is worrisome for the future. K. 1. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. Car had been switched off for approx 9 hrs before starting when the message came up. Oct 29, 2022 · Managed to get home without any further issues. Nov 6, 2023 · Wonder if it’s related to the starter/alternator? On your car you have a 48v starter that also charges the battery, belt driven. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. I googled "2008 GL450 ABS sensor issue", and learned that they had a problem with the wiring harnesses for those in particular (kinda like the MBZ engine wiring harnesses issue 1993-1996) The people at the factory making these harnesses for the ABS sensors assembled the wire ties so tightly that . Oct 23, 2023 · It is Mercedes’ flagship electric car and regardless of its few faults, like its cramped rear space, this vehicle may remain a much-coveted ride for the next years to come. April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections And the 48V battery system has been problematic for some folks. The 48V systems are unique, since they're a mild hybrid they are sensitive because you don't want 48V touching 12V systems. ” Oct 18, 2022 · Dealer just diagnosed the problem from examining fault codes. 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. that similar issues 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) Jun 3, 2023 · Maybe it is connected to online services, alarm system, 360 degree feature or whatever. Car still under Mercedes 3 year warranty. My name is Joe. Hope this information helps for someone with similar failure Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. Home. 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. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. However, my dealer did let slip that I’m not the only one. My 2020 e53 had a 48v batt issue. 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. The company provides high levels of customer service and quality workmanship, at competitive prices. Then it sat in my garage for about three weeks (I was out of town). I’d say go gas personally. Jan 24, 2021 · However, the MB Escondido service advisor Mark Ciesla adamantly denied any existing electrical or battery issues with recent model Mercedes automobiles. This means the Feb 16, 2024 · I’m in the market for a used E450 All Terrain, likely 2021 model year, and there are currently at least 2 listed for sale with lemon titles because they’ve been repurchased (and apparently repaired) by Mercedes because of “battery issues. Dec 24, 2021 · A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. Confirm completed guided test(s) for every fault code--not just 48v 5. The car simply bricked. Jun 9, 2020 · BenzWorld. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. Each time engine light comes on, Benz dealer cites different issues. 0L inline “beltless” turbocharged 6-cylinder now found in multiple carlines, is known in terms of electrification as P1 topology. ? Dec 5, 2021 · A new battery was shipped from Mercedes. Apr 28, 2023 · Also affected by the 48V battery problem are model year 2020 Mercedes SUVs. I have had a number of computer related issues. A few days ago I received an automatically generated email from Mercedes Me Connect telling me my battery charge status was “critical” and to drive the car for 30 to 60 minutes or connect a battery charger. Vintage Mercedes-Benz Owner Registry; General Discussion of Mercedes-Benz Classics; Classic Mercedes DIY tips and hints; Other Cars; Technical & Vehicle Assistance Forums. org Forums 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. saying (what Dec 7, 2024 · CLE Class Coupe (C236) & Cabrio (A236) - New 2024 CLE300 Convertible - Hi. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Technical Assistance Vendor Classifieds; Mercedes Tech Talk; Wheels, Tires, Suspension & Brakes Forum; Audio & Electronics; Performance Upgrades & Tuning; Detailing Looking at a 2022 E53 AMG that seems like a very good deal. 0L 4-cylinder turbo and 3. The MB warranty literally just extends the factory coverage and mine was very cheap to add. Every car just has a different problem, it’s really difficult to pin down. 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, Aug 31, 2023 · Believe I have located a quite loud whining sound from the alternator, when you boost the alternator helps with little power and when breaking it charge 48v battery. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. Go Back: Problems for all Mercedes models. I’ve read about this battery issue in several forums. 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 2. 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. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Mar 17, 2024 · 2021 GLS 450 Mercedes Benz within several days of purchasing in late Fall 2021, while in motion at 65MPH or more, the vehicle suddenly flashed all kinds of malfunction warnings (the entire dashboard was lit up w every system “warning”) including 48V battery code, within seconds the car shut down while driving on the highway, no power steering, no brakes, no anything – nearly lost our Aug 30, 2019 · Coupure moteur thermique sur C200 hybride 48V / Classe C W205 / Forum-mercedes. 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. I have a 2020 GLE 450 4MATIC I purchased back in August 2023. The Forums are now open to new registrations, adverts are also being de-tuned. I brought it back to the dealer multiple times and they say it’s software update issues. Don’t see many threads on here with 48v issues that I can recall. If you aren’t considering buying the GLS, the good news is that the GLS is among the Mercedes models you can lease. Bought a new 2024 CLE300 Convertible on Nov 2, 2024 and drove it 7 days when the 48 Volt system experienced issues. BenzWorld. 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. Dec 2, 2022 · Have brand new 2023 S500 Executive Series. Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. 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. Mines a hybrid and have no issues at all but I’d also strongly recommend getting the extended warranty through Mercedes as well. However, I was doubtful about this recommendation since the car can still be started without any difficulty. The most recent of which is receiving the 48V Battery Malfunction message and my Check Engine light went on. Upon receiving the car back, I noticed that the charging problem had been resolved. What Some Owners are Saying About Their 48V Battery Problems. does not strike me as a big problem considering how many cars have this system. xntnb yvsry vbub iecdz ermsgr tsopfk qrge sydyx dwlioqpk vqnlwnv