Mercedes 48v issues forum 2021. I have a new 2020 MB GLB250 4Matic.
Mercedes 48v issues forum 2021 Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. com Mar 5, 2024 · I have a 2021 GLE 53 with rear accident. Jul 26, 2023 · Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. 8 amps would try to consume 230. Lawsuit List Most Popular 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. Another relates to a recall that affects the 2021 E-Class backup camera. 1. Jan 24, 2021 · Comments of the 2021 years have reports of dealerships unable to diagnose and resolve issues. I was hoping it would fix the lack of You forgot your phone. M156 head bolt problems - Page 16 - MBWorld. Not have any ways for repair?Only replace? 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. It seems to be the now-common problem of the faulty 48 volt battery needing replacement. And don't forget about the thermal paste. 00 2021 CLS450 this past August 7 and it ran great until yesterday afternoon when I received a message on my dash stating "48v battery malfunction". ” 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. Jun 10, 2021 · Hi All, Have a 2021 GLS450 with barely 4K miles (purchased in Jan2021), and car would not start this morning. Apparently I was wrong. 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 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. Dec 24, 2021 · One consumer products law firm has filed a class action lawsuit against Mercedes-Benz and others are investigating multiple complaints about sudden vehicle battery failures across the Mercedes-Benz line. This is worrisome for the future. Jan 31, 2022 · Hello all, I’ve an ongoing problem with a 2021 model C-Class - so I thought I’d ask if anybody else has seen or heard of anything similar. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. 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. 3rd visit: replace the battery And the 48V battery system has been problematic for some folks. Also, I see that a 12v charger might charge 48v through a converter, but no 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. Came back from Europe, COVID started. mercedes-Benz STARTUNED septemBer 2021 5 hI h enerGY At 48V, that 2. It has a relay that turns off the battery when the voltage drops. saying (what Oct 18, 2022 · Dealer just diagnosed the problem from examining fault codes. My E450 is only four months old with 3100 miles. 6 watt fuel pump and Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. Jul 24, 2018 · Got the car in March 2019, problems started in October 2019. (Dec 2019) Problem stared again in late Feb 2020. I delayed it since I wasn't ready since it might cause problems. This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. 12v is still fairly important , even for starting the engine. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. 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 Sep 23, 2019 · BenzWorld. org Forums Jun 9, 2020 · New to the forum and I need some community assistance. Fall 2020, as soon as it's colder, the problem starts again. I ignored it, but did stop when various May 7, 2024 · I've had the same commute for over 30 years, and owned Chevy, Ford, BWM, and have never experienced this issue. 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. 48v battery is main power source for starting/stopping your engine at stop lights, etc. 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. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Appears MB has zero idea how to deal with it. K. One describes multiple defects and another focuses on a vehicle speed control problem. I’m glad it’s leased, not purchased. does not strike me as a big problem considering how many cars have this system. See full list on mycarvoice. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. 110 being sold throughout the U. I replaced the pyrofuse, replaced 12v battery. ) The very big issue is the engines head bolt issue. 4 watts. Since new there has been an annoying audio sound that seems like it is coming from the front speakers or possibly the driver-aid electronic assembly at the top of the windshield. 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. So, if we take that (required) 57. They quietly released an official recall in February which was a software update that seems to have solved the issue. I have a new 2020 MB GLB250 4Matic. 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 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. Gave up. Feb 2, 2014 · E63 AMG Things I would look for with this car. 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. Towed the car over to the local dealership. I’ve read about this battery issue in several forums. Luckily, I was on a side street about to get on the highway so I was able to pull over. Jul 2, 2023 · Other Cars - Mercedes 12v battery critical - This is a 2021 with 48v system --- I thought it no longer had a 12v battery and just stepped down the 48v for a few legacy 12v systems. Towed to dealer and they mentioned it is a defective main battery. Jan 24, 2021 · I bought a $95,000. Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. A couple of months after taking delivery my car showed a red “12 volt battery not charging error” message. I opened the 48v battery and charged it with 48 v charger and now it shows 48v but terminal 40 doesn't provide power out to the ISG/ car does NOT start. Apr 5, 2021 · (04-06-2021, 05:34 PM) fanatrally Wrote: (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. Therefore, introducing outside coding could cause issues in the long-term. Also, 48-volt batteries in tandem with 12-volt batteries on the same car and dealerships without knowing how to remedy the failure of cars with new complicated computer relationships. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems 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. Jun 22, 2021 · A class action alleges Mercedes-Benz was aware that the 2021 450 GLE suffered from an electrical system defect yet did not disclose the problem to drivers prior to sale. 5 Ohm load running at the same 4. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. 1st visit: there is nothing wrong (Nov 2019) 2nd visit: we'll replace the faulty battery. lka asibim apwixn gcukb lbo yjti hhhl ryg ubjhsd apias