Mercedes 48v issues battery reddit. The first few years had their issues.

Mercedes 48v issues battery reddit I find it hard to accept. How-to procedure: Here take an example of 48V battery elbow type. The max charge on almost all 18650 cells is 4. They have definitely worked on sorting them out. 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 STAR diagnostic computer and can diagnose issues ar the roadside. Plenty of hybrid systems have been tried and tested for years now. 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. As another user stated, I had a lot of problems with their BMS when I was trying to run any accessories off of the batteries without a 48v to 12v converter. Now I'm reading up on all of the 48v battery problems and the fact that these hybrid engines are going to be impossible to maintain moving forward. Every car just has a different problem, it’s really difficult to pin down. 240 votes, 18 comments. It's been around longer and most of the major bugs in that platform have been worked out. Mar 7, 2022 · Wiring diagram to Benz 48V battery module. A 35amp battery at 48v outputs 1680 watts. These numbers are higher at a full charge due to top voltage of a pack being higher than it's rated voltage. Locate IC chip 95M01. Definitely a good idea to take the car in. I've got a year left of the manufacturer warranty and was considering extending the warranty. Measuring -current- to the motor you typically do with a constant low value shunt resistor in line, and a differential amplifier measuring the voltage drop across it. 2V per cell. And while it may take up to a week to do, it's easy to forget about it and roll up to a deep discharged battery. In 5 mo, MB has released almost 30 TSBs. But again, different problem. 5 Fakespot Reviews Grade: B Adjusted Fakespot Rating: 4. Is this common? Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. I have been researching between the 2018 e43 amg and the 2018-19 e53 amg. The MHEV system powers the starter, alternator, power steer We get what OP is dealing with all the time. Mercedes requires us to open a technical support ticket which can take anywhere from 2-10 days for them to respond to in order to We haven't seen them come back after replacing the DC/DC converter or 48V battery. A 35amp battery at 52v outputs 1820 watts. Soon after that quote however they told me that the fault could be rectified without replacing the battery but by simply performing a software update on the existing one. fuel injection, pump, aircon compressor) like an old-fashioned car. Many of the components that would have been 12V are 48V. 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. Had the battery symbol and sports differential warning lights. To be perfectly honest neither of those options are known to be particularly reliable cars. All other models got 48V in 2019 (still pre-facelift). 2V = 54. Looking at a 2022 E53 AMG that seems like a very good deal. The TSB lists the possible causes along with remedies for each. Hey everyone, just got the same issue on my 2021 rs7. Also, the GLA, GLB, A, and CLA with the cylinder head failures on the m260 engine. 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. The important part is how they handle this. Reply reply German engineering always contained over complex vehicles that also have issues. 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 hoping that the next generation systems are much improved. The problem has been a long game of chicken between the two groups, and no one wants to blink first. HOLD for 30 seconds. 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. They quietly released an official recall in February which was a software update that seems to have solved the issue. I have taken my car back to the dealer and recharged the car for 3 times. Hence, they'll always show a 52V battery as having a higher state of charge than normal. The normal 12V system will still handle the standard bits and pieces that keep the motor running (e. May 7, 2024 · Mercedes Battery Drain Failures On July 1, 2022, Lieff Cabraser and co-counsel filed a federal automotive defect lawsuit in Georgia district court against Mercedes-Benz USA LLC and Daimler AG alleging breach of warranty, violation of state and federal consumer fraud laws, fraudulent My 2020 had several constantly-chiming dashboard errors and the driver’s side seat heater already broke. 149K subscribers in the mercedes_benz community. 6 hours labour. It wouldn't go into neutral and the tow tuck had to use a dolly to move the car. The car simply bricked. that also doesn't exclude hardcoded firmware for overvoltage and undervoltage protection, so even if it doesn't blow up it isn't guaranteed to work, and when your battery gets low it might not detect it as a low 36V battery is probably considered to be 30-32V which would damage a 48V battery, if it accelerates at all (firmware based overvoltage The most prevalent one is that the battery meter on your display won't accurately reflect the battery's state of charge. The lowest I have had the battery was to 50% and the voltage still read 51V and no issues. It’s getting fixed next week but yeah I’m not too pleased with it. It´s just random. For 3 months the cart has run perfect, the voltage remains around 52-51V. 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. The dealer said they have exam the battery and it was normal. Mercedes-Benz 48V Battery TSB. I'd read about some 48V battery failures/deaths. From a basic google search I’ve found it not just limited to the A6 but a whole bunch of other Audis (and Mercedes) that use the 48v battery system, including those in the screenshot I posted. And the 48V battery system has been problematic for some folks. 8AH option. 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”. Most 48V rated packs use 13 cells in serie (13S), so13S X 4. I’ve heard of the GLE’s being the worse offender with the 48v failures. I for example had 0 issues with my EV mercedes and a shitton with my ICE ones (from brand new). ) Literally just had the car in a few months ago for a routine check/oil change and not a single warning. That was a GLC 300. The suppliers won't put out 48v parts until enough OEMs commit to going 48v, and the OEMs won't commit to going 48v until the suppliers commit to having the parts. So many people lemon-lawing their new mercs due to 48V issues. The Navitas is untuned, I left the default settings. Most displays are configured for 48V, and use the battery's output voltage to determine the state of charge. Name: H HAILONG 36V Battery 48V Battery Ebike Battery,36V 8Ah/ 12AH / 48Volt 10Ah Electric Bike Scooter Lithium Battery with Waterproof Case,2A Charger and BMS for 250W 500W 600W Motor Company: Visit the H HAILONG Store Amazon Product Rating: 4. The Panameras have well known PDK transmission issues and all of the "53" AMGs have known 48V-hybrid problems. The 48v system charges the 12v as needed but 48v dropping below 30% forces conseervation mode which entails variety of battery messages I largely safely ignore albeit I got a harbor freight viking lipo jumper for 80 bucks for moments cant start or shut car off for 15m to let 12v leech 48v electrons. It's just mercedes fucking up their implementation again, and again, and again. We ended up having to replace all the cabling with 0/4 cabling. Reliability and Common Issues: Early BMW hybrids, like many first-generation technologies, had their fair share of teething problems. Lot of 48v and the in-line 6 had its issues too. To even order a 48V battery, you have to open a PTSS case. . A 20ah 48v battery has 960 watt hours of capacity. Mar 17, 2024 · The malfunction also leads to other problems including overheating and air-conditioning problems. Since buying mine last year, the 450's (GLE and GLS) had a major recall for transmission issues. The BMS cannot be reset or reprogrammed with conventional scan tools. Does anyone have any recent information as to whether this is still an issue? Is it safe to assume a used car that doesn't show any issues in the Carfax report would be fine? Using a 48v battery on a 36v ebike Hey everyone, after riding an old 36v ebike I found used for the better part of 2020, I finally took the plunge in septemberand used my savings on a 2020 Voltbike Mariner. Last time, I charged the battery and two days after the battery went low again. Disconnect the starter battery GROUND (-) in the engine bay. 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 149K subscribers in the mercedes_benz community. Having said that, I would probably go with the Porsche. Also, I see that a 12v charger might charge 48v through a converter, but no Apparently, the 48V battery issues that plagued the 2023 are recurring in the 2024s. However, Victron does not like this AT ALL. This applies to watt hours as well. Mines a hybrid and have no issues at all but I’d also strongly recommend getting the extended warranty through Mercedes as well. You can see the IC chip when you open the upper case of the battery. Lithium doesn't play well in series (12v x 4), it won't charge right. E63 was the only model to never have 48V in all W213 model years. I am not sure if the controller has a low voltage cutoff, if so it would let my 52v get too low, though I suspect my battery's on-board cutoff who shut it down first, though I am not certain as I don't run my batteries to cutoff. 5L EQ engine. Disconnect the starter battery POSITIVE (+) in the engine bay. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a passionate group of fans… 48v system has no impact on performance. The quick summary is that the 12V MHEV system is a dumbed-down version of the 48V MHEV system in most other Audis. At first they quoted me £1,324 for replacement of the battery including labour and VAT. 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. With all battery cables now disconnected: take the battery POSITIVE CABLE end for the starter battery, and touch it to the battery NEGATIVE CABLE end for the starter battery. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. This became fun because the terminal posts on the battery are designed for a 6 awg cable. 24kW Mild hybrids with the motor build into the ZF8HP unit are very reliable. A 20ah 52v battery has 1,040 watt hours of capacity. (And a few that would have been driven by engine rotation via belt are now electric 48V like the air conditioner compressor. They said the part will come in a few days, guess because you all had the same issues they have parts ready to go. Once I bought and installed that with a cutoff switch, I haven’t had any problems and have been relatively satisfied. The system informed me about critical battery low for more than 10 times. Many people have had to have multiple battery replacements due to repeated failures. But now I'm starting to think this might end up being a bit of a money pit. Overall so far statistically the EV models have less major problems than the ICE ones ever had. 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. 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. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a… Pre-facelift E450 was the only variant that didn't get 48V mild hybrid in 2019/2020. Mercedes-Benz issued a technical service bulletin (TSB) for this problem, NHTSA ID Number: 10189404, on February 19, 2021. On regular outings we have about 65-70% battery when we return and I plug it in to charge. These cars should be recalled, but Mercedes seems to be taking a workaround. I ended up taking the battery terminal apart in order to fit the cabling. 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. I got a '20 350 due to 1) it was nicer than the 450's available at the time. I've have a leased 2021 that has been trouble free. They are having problems with 48v batteries, wiring harnesses pinched, water leaks, lack of oil pressure locking up the engine, rods going through the side of the block, head gaskets, camshaft adjusters, esp module software causing the car to just stop working, ignition modules failing, comand head units quit working, the list goes on. There have been some issues with the 48v battery but I think the prevalence is overweighted on forums. The battery states that 6awg will suffice. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. I have a 21 GLE and the 48v died today. I’d say go gas personally. The MB warranty literally just extends the factory coverage and mine was very cheap to add. 153K subscribers in the mercedes_benz community. However, over the years, BMW has worked to address these issues. This chip controls the operation of the entire battery. The problem is that I’m on a tight budget, and I can get a 36v battery for considerably cheaper than a 48v one. This was completed at the cost of 1. 5 Analysis Performed at: 02-16-2023 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 I have been searching for my first Mercedes and been waiting a while to pick the right one. Remove and disassemble the battery. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. Go back to school lol There are lawyers considering a class action lawsuit over the 48v EQ system as used in multiple cars - because in a few cases the battery has failed while driving on the highway. 55 votes, 35 comments. The 350 ain't a saint per some (who've never owned one), but the 350 has a tried and true 12V system. I heard the e53 has issues with the 48V battery and am not sure how costly that would be. Just got past the 20k mark. Make sure it’s the Mercedes warranty not some third party one. So you'll want 1x 48v battery or multiple 48v batteries wired in parellel. 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. g. Tech says they need to replace starter/generator. It'll drain the battery slightly. In 2020, with the facelift, MB switched the 450 to the M256 and introduced 48V with that too. The new GLC sucks in terms of reliability! In the GLC 300 Group on Facebook, there are several owners reporting 48v battery problems along with them just bricking themselves. The first few years had their issues. Curious, what has been your experience. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. 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? I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. As the title implies, I'm looking at a 2021 used GLE450 and noticed a surge both on this reddit and on MB forums addressing the reliability issue of that battery. I’m assuming the new C and GLC will have these problems as well. The 48v battery used for the mild hybrid system failed in my friend’s 2022 C300 and the car had to be towed to the dealer because the car refused to start. Mercedes 48V system has solely a 48V battery. This sounds like it could be related to a battery failure. The dealer said the 48v went bad. They screwed up the launch of the C Class with those issues and they’ve gotten even worse on the GLC. 2) no 48V battery issue. The cheapest 48v I can find are at the very least $200 more, with no name cells from Aliexpress or Amazon. Nov 6, 2023 · As above, most likely there's an issue with the mild hybrid battery on the 1. 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. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. However, my dealer did let slip that I’m not the only one. There is a reputable local shop that sells refurbished batteries with LG cells, but they only have a 36v 12. 6V as the max charge. Repair procedure is the similar. 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 MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. The newer models, especially those with the mild hybrid system, are expected to be more reliable due to continuous improvements and refinements in The only thing I need to be aware of is that the battery indicator thinks I have a 48v battery so it reads high. And I’m embarrassed we work for the same company And, since when does a 2019 E53 even have a 48volt battery system? First models with the system were the 167 and 223. This could potentially mask other issues. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a… I have a GLE 580 and love it. Too add, I've worked with Mercedes-benz coming on 8 years now, I will never own a benz, I know better. 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. Lately I haven’t seen neither as much. I have 2023 C43 and get these messages all the time. I'm hesitating to buy a 2024, even with extended warranty as MB simply does not seem to have solutions for a plethora of issues. Second thing you have to consider is the BMS in the battery, it is what controls how much juice you can squeeze out of the battery in an instance. 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. xyjow mwtqlw ohozn omnp ceiy dhyc hymm nirm hkzfsdc txiui