Mercedes 48v issues reddit 2020. removed and replaced starter generator.
Mercedes 48v issues reddit 2020 The hassle for the dealership is that even if the car gives you this message, if the technician tests the battery with the Mercedes required battery tester and it says charge or pass, we cannot replace the battery. Make sure it’s the Mercedes warranty not some third party one. Car that i am aiming now is X3. In California the law states that if it’s in the shop for more than 30 days within an 18 month window for any critical component, you can make the manufacturer buy it back under the lemon A decent amount of owners from 2020-2023 had issues with MBTex. In 2020, with the facelift, MB switched the 450 to the M256 and introduced 48V with that too. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a… The first few years had their issues. I've had no issues on mine after 55k miles. They had to rebuild… Reading around MBWorld, 2020 and 2021 did have some 48v issues but it seems like it's mostly fixed. 5L EQ engine. Basically, they found no issues, but applied a software update on the 48V subsystem. 2) no 48V battery issue. Every car just has a different problem, it’s really difficult to pin down. My 2020 had several constantly-chiming dashboard errors and the driver’s side seat heater already broke. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. I find it hard to accept. Mines a hybrid and have no issues at all but I’d also strongly recommend getting the extended warranty through Mercedes as well. 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. I love the car, but as my first Mercedes I was expecting quality and reliability whereas I had fewer issues in my Lincoln and Nissan 2-3 years after ownership I have a GLE 580 and love it. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. I got a '20 350 due to 1) it was nicer than the 450's available at the time. 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. restarted 48v system and performed replacement test plan" To be perfectly honest neither of those options are known to be particularly reliable cars. removed and replaced starter generator. Reply reply Failing 48v batteries, loose grounds and electrical connections, failing electrical components, poor engineering, trim falling off, 3rd row seats failing, driveline issues, and so on. Mercedes has just been having so many issues with the 48v battery I would almost advise everyone away from any 53 for the time being. parts ordered. Too add, I've worked with Mercedes-benz coming on 8 years now, I will never own a benz, I know better. That was a GLC 300. But that is A class. Read about them here: Problems are individual. de energized 48v system. But based on comments on mbworld. Bought two new vehicle and ended up with the following: GLB250 in 2020. 2019 was the last of the W166 generation. They quietly released an official recall in February which was a software update that seems to have solved the issue. Many and much issues with some as I’ve learned just buying a 2020 350. And software on newer vehicles drains them all the time. V167, and they were new in 2020 (US). suspect faulty starter generstor. Common af. 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. There really should be a recall. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. The BMS cannot be reset or reprogrammed with conventional scan tools. They have definitely worked on sorting them out. Lot of 48v and the in-line 6 had its issues too. 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? Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). Looking at a 2022 E53 AMG that seems like a very good deal. Mercedes eat batteries. This could potentially mask other issues. Hopefully, they resolved 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”. Fucking best years for them, I’ve made so much money on 48v issues and 256 ignition coil harnesses, not to mention every 167 coupe needs a sunshade Reply reply rev440800 I had a 2020 AMGGLE 53 and it was nothing but problems. Having said that, I would probably go with the Porsche. See full list on mycarvoice. Yours will be under warranty so it doesn't matter but for those buying long-term, best getting the real leather. 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. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. com 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'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. Pre-facelift E450 was the only variant that didn't get 48V mild hybrid in 2019/2020. reliability shouldnt be a concern for both cars, the b58 is known to be a reliable engine (it‘s a bmw inline 6 after all cant go wrong with that), the m256 also isn‘t showing any major problems yet, only thing I heard is some overheating issues which can be solved with a quick cpu uprade to the 48V hybrid system. But I guess you have to pay to play, you can get a BMW with the same iDrive from 15 years ago just reskinned or an Audi with whatever they use or MBUX which is easily the best 240 votes, 18 comments. This sounds like it could be related to a battery failure. "b200096: faulty control module active/static storrd in starter/generator control module and u046900: invalid data received from grnerator control module static in ecm. Dec 24, 2021 · A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. It's been around longer and most of the major bugs in that platform have been worked out. 0 turbo I4 but they’ve had a very problematic There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. Some stitch failures and others with cracking at low miles--under 10k. All other models got 48V in 2019 (still pre-facelift). Since buying mine last year, the 450's (GLE and GLS) had a major recall for transmission issues. I'd read about some 48V battery failures/deaths. 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. I’m in California and was able to lemon law the car because it was in the shop for so many issues. 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. Biggest reason why I got out of my E53. MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. . It’s known to happen, especially on certain runs of production. It's engine broke down (M260) due to cylinder 1 failure. 149K subscribers in the mercedes_benz community. Lately I haven’t seen neither as much. Apart from that it is an absolutely beautiful car and it has a lot of safety features but the service will come with a price. Many people have had to have multiple battery replacements due to repeated failures. E63 was the only model to never have 48V in all W213 model years. Mercedes drivetrain reliability and build quality is much higher than previous years, but as usual electronic issues are the biggest problem with the German cars. I don't understand the parktronic thing you complained about, when going at around 5mph, the system assumes you're looking for parking spots and tries to find one for you that can fit your car😁. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. Not that they should happen but you cant compare two. 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). 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 was driving E class 2020 air suspension and was surprised how it is nothing special. The MB warranty literally just extends the factory coverage and mine was very cheap to add. I also was debating between an E and C class for a while due to the E class interior but ended up with a low mile trade in 18 C63s sedan. These cars should be recalled, but Mercedes seems to be taking a workaround. I had many problems with my A class 2018. It’s getting fixed next week but yeah I’m not too pleased with it. The Panameras have well known PDK transmission issues and all of the "53" AMGs have known 48V-hybrid problems. The 350 ain't a saint per some (who've never owned one), but the 350 has a tried and true 12V system. I’d say go gas personally. qsf ylcs dkhbl wou dicu ghorthck ppo trmu jguadd bcsurq