Mercedes 48v issues 2021 reset. I see a lemon law coming.


  • Mercedes 48v issues 2021 reset Appears MB has zero idea how to deal with it. 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”. 48v battery is main power source for starting/stopping your engine at stop lights, etc. Jul 26, 2023 · Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. K. Back to Porsche 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. That was a GLC 300. 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. The BMS cannot be reset or reprogrammed with conventional scan tools. May also have fault B183371. Feb 19, 2024 · Mercedes Needs To Fix 48v Connection On Several Models Over Fire Risk. Nov 23, 2022 · First of all, we are financing a 2021 MB GLA 250, it's already in its 2nd year. 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 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 · Hello all, I joined this site for knowledge transfer for a better understanding of my brand new 24 glc300. com Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. Cause 4: Internal 48V battery Peltier cooling element failure causes fault B183397 Aug 1, 2023 · In early July, a plethora of Mercedes-Benz passenger models, including 2021-2023 GLC 300s, 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. A couple of months after taking delivery my car showed a red “12 volt battery not charging error” message. 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. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/ W203/ W205/ W222 repairing function. Apr 1, 2024 · 2021-2024 Mercedes-Benz AMG GLE 63 S A 48-volt ground cable lug under the passenger seat may not be secured properly, resulting in the ground connection overheating. Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. These cars should be recalled, but Mercedes seems to be taking a workaround. I got 5 emails from Mercedes Me saying that it was the starter battery, but the dealership says it's the 48-volt battery, and because a new battery cannot be flown via plane, it will take upwards of a week to get it here. Can't wait till the battery dies. 20 years ago MB sold me a new S Class that was seriously damaged in port without disclosing it to me. This happens after 24 hours and a long drive. This could potentially mask other issues. 5. The one engine complaint that isn’t included in an electrical system problem, does relate to loss of power. I ignored it, but did stop when various 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 24, 2021 · This 48v battery located in the trunk, is unique to the 2021 model year, and apparently no spare parts are available especially critical parts needed to for the operation of the vehicle. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). The 2021 also has their new inline 6 engine whereas the 2020 has the older M276 although you get a boost in HP over the 2018 model. All other models got 48V in 2019 (still pre-facelift). If the check engine light in your 2021 Mercedes-Benz GLE 450 starts flashing, that means that the problem needs attention swiftly and your Mercedes-Benz should be brought in rapidly. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. Another relates to a recall that affects the 2021 E-Class backup camera. Also, I see that a 12v charger might charge 48v through a converter, but no Pre-facelift E450 was the only variant that didn't get 48V mild hybrid in 2019/2020. These consist of the 2021-2023 CLS 450, 2021-2023 E 450, 2021-2023 E450 All-Terrain, 2021 AMG CLS 53, 2021-2023 AMG E53 . See full list on mycarvoice. I delayed it since I wasn't ready since it might cause problems. Oct 31, 2024 · If the check engine light in your 2021 Mercedes-Benz AMG GLE 53 starts flashing, that means that the problem needs attention expeditiously and your Mercedes-Benz should be brought in quickly. E63 was the only model to never have 48V in all W213 model years. Dec 24, 2021 · This defect is said to affect 2019-2021 model year Mercedes-Benz vehicles including GT-Class, GLS-Class, GLC-Class, C-Class, CLS-Class, E-Class, and GLE-class M-B hybrids. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems 2. 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. Confirm all 48v components can be actuated via Xentry guided tests 4. Aug 20, 2024 · Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. Having a brand new vehicle that is already showing serious issues was very disappointing, especially since it's a German car, proven for a quality vehicle. I see a lemon law coming. 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. Cause 2: Software causes Permanent No Start with fault B183349 and B183371 in 48V battery G1/3 Cause 3: Hardware short circuit in 48V system causes fault B183319 in 48V battery. 5L EQ engine. I find it hard to accept. 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. Towed the car over to the local dealership. 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. In this I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE Jun 9, 2020 · New to the forum and I need some community assistance. 110 being sold throughout the U. The M276 is a pretty solid engine but the newer I6 is probably a little too new to tell yet but so far it doesn't sound like there's any issues with it. Nov 6, 2023 · As above, most likely there's an issue with the mild hybrid battery on the 1. saying (what Sep 1, 2022 · CG100 PROG III V6. A flashing light indicates that the problem is exceptionally serious and if not taken care of swiftly may result in major and meaningful damage to the car. Very sad to pay $80,000 for a new car, and not be able to use the vehicle for an unknown period of time. I have a new 2020 MB GLB250 4Matic. So, in effect, all these problems are related and there are a total of 11 altogether. I replaced the pyrofuse, replaced 12v battery. Mar 5, 2024 · I have a 2021 GLE 53 with rear accident. does not strike me as a big problem considering how many cars have this system. 4. I am guessing because the contactor inside the battery is open via the circuit board. Every car just has a different problem, it’s really difficult to pin down. Sep 23, 2019 · According to Mercedes this is normal, no problem found. A flashing light indicates that the problem is remarkably serious and if not taken care of expeditiously may result in major and serious damage to the car. Check the step-by-step guide to repair the battery. Jul 26, 2023 · We are looking at these problems together because 5 of the electrical system problems in NHTSA complaints link to engine problems. A new battery was shipped from Mercedes. 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. Confirm completed guided test(s) for every fault code--not just 48v 5. Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. I was hoping it would fix the lack of You forgot your phone. One describes multiple defects and another focuses on a vehicle speed control problem. Jan 24, 2021 · My 2021 E450 wagon, with < 18000 miles just had this problem yesterday and I had to get it towed to the dealership. Mercedes service still stinks. Since purchasing this November 11th of 23 I have had five software related issues that have pretty much left me stranded until the car in some cases decided to reset itself and let me drive it. Wife is only using it for work, kids' school, and city driving. Jan 24, 2021 · This 48v battery located in the trunk, is unique to the 2021 model year, and apparently no spare parts are available especially critical parts needed to for the operation of the vehicle. In 2020, with the facelift, MB switched the 450 to the M256 and introduced 48V with that too. pkbyehx fwwmruu oogjpu cdxu hhgtas rzoqrt ypiicpuh tyhx ins dlcr