Mercedes 48v issues battery Car didn’t move properly -something like very weak feeling- could barely move to the sideway. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. Check the step-by-step guide to repair the battery. There are several different reported issues with the 48 volt battery system owners need to be aware of. However, my dealer did let slip that I’m not the only one. This section will provide an in-depth understanding of the 48V 48v battery fault mercedes 2019. Neither car is doing (m)any miles at the moment, so I'm having to resort to a battery charger. There was a recall to add some strengthening to the battery containment - presume it is a Mercedes-Benz 2022-2023 sedan recall. I had my battery checked and it was losing power, so a new one fitted. Never used the GLC START/STOP functionality. This can be a safety issue as it can even happen while the vehicle is in motion. MHH is incompatible with Internet explorer! Contact Us. 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. 2020 after Mercedes had issued at least three technical service bulletins related to a “no start condition and/or issues related to the vehicle’s battery and/or the MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. The 48V on-board electrical system is de-energized if the 12V battery is disconnected for longer than 10 s. l Oct 17, 2023 #1 Hi there, i just wondered if anyone has any ideas on a c class 2016 model that the Issue with battery warning light coming up on the dash sometimes you start the car for the first time, but goes if you use it again in the same day. Switching the car off and restarting seems to have cleared it. Jump to page: At 12v and 68Ah the power stored in the 12v battery is 816Wh. 48v Battery German engineering always contained over complex vehicles that also have issues. BenzWorld. Customer: I have a 2022 Mercedes GLS 450 it has 17000 miles on it. 2025 Nissan Kicks Play Keeps the First Gen Problem continued (actually dead once). 48v battery is main power source for starting/stopping your engine at stop lights, etc. Contractor Issue – Contactors open and close the high-voltage circuit. In the case of the Mercedes-Benz GLC, there have been reports of GLC battery drain issues that can cause significant inconvenience Mercedes Comand/Audio antitheft codes all NTG Mercedes Garmin Map Pilot Europe navi Mercedes NTG5-6 Regio Software There is a software issue with 48v batteries manufactured by one particular electronic component manufacturer that can cause an erroneous fault code/check engine light, this apparently is affecting multiple manufacturers, not just MB. 930 It has the 48V Hybrid system with ISG and the e-booster electric turbocharger Car came in because of flood damage - cleaned out everything - and replaced some relays, can connectors and other modules etc that were faulty Was able to start the car and it ran and drove - but the bottom end power Class action lawsuit alleges the 12-volt and 48-volt batteries drain and strand consumers. It´s just random. I have a same issue with my 3 month old 2023 GLC 300, Engine light came on and app wouldn't start, I have to go outside in cold temperature -30°C to start vehicle, I took to MB and they told that battery is draining because of cold weather and all electronic using by battery, and i have to drive at least 50K every day to keep battery more than The charge towards the electrification of the automobile is well under way. Your Mercedes-Benz GLE 350 battery will typically last between 3 to 5 years, but that can vary heavily depending on type of battery, weather conditions battery size, and driving habits. I have never seen the battery; it is buried in the boot floor under a bolt down cover. Reactions But most 2021 MERCEDES-BENZ AMG C43 s made since 2000 have an electronic throttle body and disconnecting the battery without providing a power backup can cause problems. Tamerlan Location Offline Junior Member Reputation: 1. While car batteries will tend to fail without notice, your Mercedes-Benz dashboard will issue signals about your luxury vehicle’s battery health. The vehicle has functioned without any issues whatsoever covering approx 1500 miles. The 2021 Mercedes EQA 250 is an all electric compact SUV. MB2019 Discussion starter. At that time, the German automaker hypothesized that an Mercedes-Benz, never one to let its engines rot on the vine, is taking the next step to do just that with a 48-volt system for a new 3. . News; Canada News (48v battery) during driving. If you’ve had problems with the 48-volt battery in your Mercedes, you may be able to help start a class action lawsuit to get some money back and find a fix. At least one driver has said that the battery Troubles with Mercedes Mild Hybrid Systems Specific issues and challenges with Mercedes’ mild hybrid technology. 0-liter inline-six-cylinder engine. Of course, as with any other parts, there are caveats to the In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. All 48V batteries of Mercedes Benz provide DTS MONACO technical solutions: 2. My 2020 e53 had a 48v batt issue. The 48v battery has a capacity of “only” 9. This model does not have external plug-in charging (hybridization called Bluetec), so if the 12V battery does not react, the 48V battery does not charge. Replace only 48V battery (regardless of other faults) ii. Can't really find much info on it in the manual. What it is: Generator/Motor between the engine and transaxle. I got it home but when I shut the car off it sounded like it was still running. Given their During an Oct. MHH is incompatible with Internet explorer! Mercedes Starts and Shuts Off Quickly: Case Study in a Mercedes C-Class 48V EQ Boost. Mercedes-Benz is recalling 3,823 of its 2022-2023 sedans because the high-voltage battery monitoring system software may not alert the driver of a battery Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. Confirm all 48v components can be actuated via Xentry guided tests 4. Apart from the 48V network, the other key component of EQ Boost is the starter generator - which now allows for smoother engine start-stop operation and energy recovery during The moment a warning light illuminates on your dashboard, a feeling of distress may come about, but with the help of Walter’s Mercedes-Benz of Riverside service team, you will not have to worry. So I turned it off and 48V Battery Malfunction Dec 2023 Mercedes GLE Premium Mild Hybrid Thread starter ved; Start date Sep 16, 2024; Sep 16, 2024 #1 V. 253. I have to drive in The manual says the battery does not have enough power to run everything and starts to shut down aux things like interior lights, parking sensors, etc. which is blocking engine start and battery operations itself. Replies: 9. Fabbian Wuttke, project lead, sedan development. The factors Related Problem : P0A7F00 The state of health limit of the hybrid/high-voltage battery module has been reached. Battery Pack. Get a free detailed estimate for a repair in your area. i have charged up the main car battery and this is all good and Hi guys Mercedes 2020 year model, X290 AMG After the accident car is not starting, and 2 faults on G1/3 48 V battery. Battery Issue is a life-threatening problem «We had an issue with a Mercedes C-Class 220 Sedan W1K206016, that suffered a “deep discharge” of the 2 batteries of 48V and 12V, probably due to a long period in garage. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the Mercedes 48-Volt Battery Defect Investigation – Owners & Lessees Of 2019-2022 Mercedes E- & CLS-Class & Mercedes GLE 450, GLS 450 Vehicles Encouraged To Contact Kehoe Law Firm, P. It's about crap batteries that are never charged to their rated 80 amp hours and will never hold any where near a full charge. This sounds like it could be related to a battery failure. This range does not include taxes and fees, and does not factor in your unique location. Transmission Issues And I Helped Mild hybrid from Volvo is a fairly typical mild hybrid set up. 205. Each time engine light comes on, Benz dealer cites different issues. Author: vysi. OP . When dealing with 48V battery failure of Mercedes Benz 223 and 206, it is necessary to cooperate with the programming and diagnostic certificate. Site Announcements; New Members Check In! MBWorld Featured Car of the Month Contest; Mercedes-Benz Electric Vehicles. This happens after 24 hours and a long drive. · Joined 2020 Add to quote; Only show this user #3 · Mar 15, 2020. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE 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. Mercedes-Benz 48V Battery TSB. A prime example of an automaker employing hybrid technology is Mercedes-Benz, with its innovative EQ Boost system. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera This is of considerable concern, because it’s become clear that the 48V battery issue affects a range of Mercedes-Benz vehicles. Discover the differences between Lead-Acid and AGM batteries, essential tools for the job, and crucial safety precautions. Since then I have had an intermittent problem with the battery as the car was not starting at times if I do not use the car for like 2 days. B183304。 4. Also, I see that a 12v charger might charge 48v through a converter, but no The 48V systems are unique, since they're a mild hybrid they are sensitive because you don't want 48V touching 12V systems. Whether the battery did come with the car, or you bought the battery from a car dealer, Mercedes does provide coverage for issues that may arise within the warranty period. Published: 31 Jul The service manager told the owner that similar issues had been reported by other owners 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 non-operational time of greater than 42 days or with a battery charge of less than 45%, the following battery fault message might display in the Appears MB has zero idea how to deal with it. 12V Battery; 48V Battery; Benchmarking Battery Packs; Enclosure; Key Pack Metrics; Pack Manufacturers; Battery Pack Sizing; Pack Definitions & Glossary; Benchmark. 5. It's not a mild hybrid, electrical, or software issue. For Mercedes. A total of 4 complaints are either specifically about battery failure or mention defective batteries. B183371. C. Are these A Mercedes-Benz GLE450 Hybrid High Voltage Battery Replacement costs between $2,208 and $2,327 on average. Towed the car over to the local dealership. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. [INTERVIEW] STUTTGART, Germany — After facing fierce backlash for using batteries from an obscure Chinese company in an EV that caused a massive explosion incident in Korea, Mercedes-Benz is exerting desperate efforts to secure its own capabilities to develop EV batteries that guarantee safety in a bid to shed reliance on battery makers. Mercedes-Benz GLE 350 Battery. Many people have had to have multiple battery replacements due to repeated failures. April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections Several thousand Mercedes-Benz E-Class, CLS, and AMG GT 4-Door models in the United States need to be fixed due to a fire risk resulting from a poor 48-volt ground connection. 162K subscribers in the mercedes_benz community. K. The average cost for a Mercedes-Benz GLS450 Battery Replacement is between $441 and $467. Engine. Thanks Given: Mercedes 48 battery repeaer. Common Issues:Battery efficiency loss over time;Can't charge batteryInfoType: 48V BatteryModel: 44V 8. On a EU 2020 GLC300, there are categorically two batteries. Used Mercedes-Benz A250E B250E Bosch 48V Battery A0009826525. Discover how to resolve the '48v battery see owners manual' warning in a Mercedes C200 W205. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a passionate group of fans who come together to share news, information, and our love for this iconic brand. 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. Say goodbye to battery problems, low power, and difficulty starting your vehicle. However, this car has some issues you’d love to know before attempting to own one. For instance, in driving situations that permit downhill glides, the battery, if sufficiently charged, can power the vehicle while the engine shuts Plus, the battery is far smaller and lighter than in a high voltage hybrid or EV application where it’s typically hundreds of volts. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. Along the way, he divulged a number of facts, figures and more about Mercedes-Benz is recalling its GLE and GLS SUVs as an issue with their 48V electrical system could lead to a fire. The investigation concerns battery failure of the 48-Volt battery in certain Mercedes vehicles, which can cause a vehicle not to start, thereby The Mercedes-Benz E-Class batteries do not require maintenance as they are sealed units. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. Thread Rating: 0 Vote(s) - 0 Average Hi I have brought a Mercedes 2019 c class that had light damage, the car is repaired but comes up with 48v battery fault and won't start I saw daxxer had a fix for this but I MHH Auto greatly appreciates the cooperation from members on this critical issue. Vehicle Speed Control. Overall so far statistically the EV models have less major problems than the ICE ones ever had. It wouldn't go into neutral and the tow tuck had to use a dolly to move the car. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. sergey6954 Location Offline Junior Member Reputation: 9. 10. The dealer replaced the battery when it got serviced recently. youcanic. This will only have fault B183371 in 48V battery. P0A8000 The hybrid/high-voltage battery module must be replaced. And Im not sure what it would cost to replace it, I replaced the battery under warranty. Views: 528. MHH Auto greatly appreciates the cooperation from members on this critical issue. That's a 48V system, with a battery in the trunk. Many owners of the GLC had to replace their 48V battery, which wouldn’t last long; some had to This is an original Mercedes 48V Hybrid lithium battery, refurbished by our experienced technician, thoroughly tested, calibrated, balanced, and ready to install. 2 days later, same issue, so we fitted a new alternator as it was not charging the battery. 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 The only evidence that it is MHEV is the effortless starting from the 48v starter motor. Last week a battery warning came on the sash saying 48v and on my screen it said my car would shut down in 3 mins. What is Mercedes-Benz 48V lithium battery? Looking at a 2022 E53 AMG that seems like a very good deal. Hear it is$4,000. Mercedes-Benz S o n r s o e t d p 1 0 m 2 i h 6 4 (Google "Mercedes 48v Battery Issues") Got it back Friday after 67 days without it. M. I have uncovered the clue as to where the batteries are though and a little more about it. Check the 48V Ground Connection Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on When the issue occurs, warning messages are displayed in the instrument cluster relating to the 48V Connect electrical wiring harness of the 48 V on-board electrical system battery to "W106/1" ground point. Evening all. Failure of the 48V Secondary Battery. 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. Definitely a good idea to take the car in. 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. Late-model cars and multiple computers and specialty modules can “forget” their calibration settings if you simply disconnect the old battery and slap in a new one. 25. 15 posts · Joined 2023 Add to quote Mercedes GLC Forum. I have never seen the 48v battery, it is hidden under a bolted down cover in the bottom of the boot - the only reason I know it is there is that there was a recall over GLE Class (V167) - Should I avoid the GLE450E? - In the market for a GLE right now and have been leaning towards the 450e (especially given that the $7500 credit on a lease in the US brings the cost very close to the GLE350). So, not a design defect but a Until now, there have been numerous updates to the software of the GLS to counter these problems, but there are still people that have these problems. Welcome to our community - the home of Mercedes-Benz on Reddit! The vehicle would not start due to the 48v battery. Anything higher than 13 volts may indicate a faulty battery. 48V Secondary Battery Malfunction. com/scanner/Get Factory Service Repair Manuals & Specs https://www. Follow the step-by-step guide provided to CG100 PROG III V6. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. The car simply bricked. The dealer said the 48v went bad. Traditional layout with motor driving front wheels and battery under passenger floor. This protects against damage from the outside and is also robust enough to withstand the continual expansion and contraction of the cells that occurs during charging and discharging throughout the battery’s The Mercedes Me phone app does allow preconditioning the battery and interior which does help the winter range. Mercedes requires us to open The top destination for Mercedes and AMG discussion, news, and rumors. Is this common? The malfunction also leads to other problems including overheating and air-conditioning problems. Getting Started. The GLS uses a 48v secondary battery to assist the startup of the vehicle and to power other car components. 6Ah, but this is at 48v, so the power stored in this battery is an additional 461Wh. 19. A New Jersey man claims that his $76,918. co Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. 21 media roundtable at Mercedes-Benz Group’s headquarte­rs in Stuttgart, senior executives Uwe Keller, head of battery developmen­t, and Carsten Breckner, head of global powertrain procuremen­t and supplier management, spoke with Korean reporters to address the issue. This is to notify you that software for the 48V Battery Management System fo Mercedes 48-Volt Battery Defect Investigation – Owners & Lessees Of 2019-2022 Mercedes E- & CLS-Class & Mercedes GLE 450, GLS 450 Vehicles Encouraged To Contact Kehoe Law Firm, P. Learn about the diagnostic process, common issues, and effective solutions in this detailed case study. Mercedes 48-Volt Battery Problems. this is a common issue with vehicles involved in an accident. 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. 4Ah 370 WhManufacturer: AccumotiveBrand: Mercedes-BenzManufacturer Part Number: -Vehicle Part Number: A0009826525ConditionsHardware: 100% working, usedComme EQ Boost-equipped models still carry the traditional 12V battery, in addition to a new 48V battery, located in the engine compartment near the passenger side firewall. I leased a C 300 in June and have had so many problems with it that seem to stand from the electrical system. It made me opt Toyota have a reasonable cost to replace, but this seems to be a big issue for Mercedes. Buy YOUCANIC Pro Scanner https://www. “Due to a manufacturing defect, the threaded nut connecting the negative terminal for the 48 Volt It is merely supplied by a 48V/12V DC/DC converter instead of by a 12V alternator. When the battery light comes on in your Mercedes-Benz GLS, you should always start with testing the voltage at the battery when the engine is running. it lasted 325 miles, died in the middle of a VERY The Bosch 48V-battery is no bigger than a shoebox. Drove another 2 miles on my way home and the light comes on. Battery. What it does: The generator firstly replaces the starter motor. Don't worry about it! Reactions: sl500amgsport and malcolm E53 AMG. What to look out for when dealing with Hybrid High Voltage Battery issues. This battery also allows a gliding function. 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. Update DC/DC converter N83/1 if later software is available. Plus, explore maintenance tips to ensure optimal performance and 2. This maintains the battery voltage level and the aux battery malfunction message no longer appears! 168 votes, 37 comments. Battery drain issues occur when a vehicle’s battery loses its charge faster than it should, leading to a dead battery and an inability to start the car. " Per Mercedes-Benz vehicle-specific repair information, Notes On Battery: "A 48V connector may only be unplugged in de-energized state. Feb 2, 2022 #13 grober MB Master. Day 2 Engine light, electronics issues. However, reading some of the threads here about reliability issues has me worried. Lemberg Law can help you! Practice Areas; Why Choose Us? But most of the complaints relate to faulty 48V batteries. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright How to remove 48V battery usedon Mercedes W205 and W213 #CarRepair #EV #48V #W205 #W213 #Mercedes Mercedes-Benz AG started looking into the described issue back in June 2022 due to multiple field reports alleging battery-related warnings. It comes as the Starter battery issues on app . What’s the Issue with the Mercedes Benz 48V Cable? Mercedes-Benz AG began looking into this issue in June 2022, following numerous field reports highlighting battery-related warnings. By using a 48-volt electrical system in new Mercedes-Benz vehicles, the car can be powered The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. The TSB lists the possible causes along with remedies for each. Labor costs are estimated between $99 and $125 while parts are typically priced around $342. Reported issues for the 2021 Mercedes-Benz E-Class include battery, engine & electrical problems. 4. Ours did have the range extender button but we never used it as each press does ‘stress’ the battery. I am getting 2 codes for the 48V battery. Joined Jun 22, 2003 Messages 31,725 Location which was A/C cooled and is not relevant to current mercedes battery technology in the 350e. Believe the battery was original fit, so I got about 6 years before replacement. We discuss the most common c I am having the same issue ‘Battery Malfunction’ were you able to resolve the issue? Save Share Reply Quote Like. Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. 2. It is a very recent ride that critics have already tagged as an alternative to the Tesla Model S because it is among electric cars with a +350-mile range. It has a bidirectional converter to convert between 12v and 48v. Repairing the 48v battery on this Mercedes 48v Mild Hybrid so the vehicle can be started and driven once again!💬 Message☎️ 01709 257 357🌐 www. Unknown Or Other. Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. The battery as a cost driver is particularly well dimensioned, and the capacity of the accumulator is consistently used With Mercedes 48v architecture there’s still a 12V battery. Initially, the German automaker suspected that insufficient tightening of the ground cable connection had contributed to these warnings. The important part is how they handle this. We haven't seen them come back after replacing the DC/DC converter or 48V battery. Hello everyone I have a problem with gle300d mild hybrid I need to unlock 48V battery eprom Car not starting after accident with a red notification on board and showing dtc (B183387) Tks 48V battery Mercedes. 36 Mercedes-Benz GLE 450 SUV fails to start and has other problems due to battery and electrical defects. First time in 40 years ,have had a bad one,so best of luck in your next Unfortunately, the 48V batteries in the 2020 Mercedes-Benz GLE Class can malfunction. It stayed on for a couple of miles but went out when I accelerated to about 60. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. Hybrids are 20 years old and well accepted. Complaint Category Number of Complaints; Electrical System. Initially, it was mentioned that CG100 PROG III V6. Joined Sep 16, 2024 Did anyone experience this 48V Battery Malfunction and what was the solution offered by Mercedes and would this sort of issue be covered under the warranty? Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Skip to content. 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. I have a brand new Mercedes Me appears to be warning you of an impending failure with a resting battery voltage indicating a charge level of between 50-60%. 2020 Mercedes Benz GLE Complaint Summary. Is anyone else having issues charging their batteries on their late W205 cars? We have a pair of 2019 205 series cars, my C63S coupe and my wife's C300 cabrio. Electrical system problem: The battery is damaged, the battery terminals are poorly connected, the ignition system is faulty, the gear lever position is not set correctly, and the ignition system For example, we are aware that there are at least three technical service bulletins (TSBs) that Mercedes-Benz has issued about the 48V battery problems, but only one is officially linked to the 2020 GLS. This states that the cause might be software or hardware issues. 0-liter inline-6-cylinder engine. Feel free to share your classic Mercedes-Benz here! Check out our new wiki to help you troubleshoot My wife was 80 miles away from home and upon starting my car was faced with a 48V Battery warning on the driver console and told to consult owners manual. 15. A new battery was shipped from Mercedes. However, upon further research it seems that this model along with several others can have major problems with the 48V battery I have a 21 GLE and the 48v died today. 1. This NCU replaces the prior NCU issued on October 7, 2022 and contains clarification on the launch date of the campaign. MHH is 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. Prices may vary depending on your location. Joined Apr 3, 2019 Messages 195 Reaction score 70 Location Hertfordshire Your Mercedes C219 cls55 amg Oct 22, 2019 #1 Your Mercedes C219 CLS 320CDI 2008 Oct 22, 2019 #2 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”. The charging system uses a battery control module to monitor the state of charge and turns on the auxiliary battery by powering the Hi all I'm working on a 2020 W167 GLE AMG (167. Mercedes-Benz issued a technical service bulletin (TSB) for this problem, NHTSA ID Number: 10189404, on February 19, 2021. NHTSA Looks Into Alleged 48V System Defect Affecting the 2023 Mercedes-Benz GLC 300. ABA63 Location Offline Junior Member Reputation MHH Auto greatly appreciates the cooperation from members on this critical issue 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. The 48-volt system, as the outlet reports, will Mercedes-Benz took us on a virtual ride-along in the new Mercedes-EQS with Dr. B183319, or any other faults in the 48V battery. Where's The fix is a new fully charged battery. ? Understanding the Mercedes-Benz GLC Battery Drain Issues. This is unfortunately quite common issue across entire Mercedes mo On average, the cost for a Mercedes-Benz S580 Car Battery Replacement is $305 with $165 for parts and $140 for labor. 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. Confirm completed guided test(s) for every fault code--not just 48v 5. However, the most common are no starts and vehicles shutting off. I assume that the bidirectional inverter charges the 48V battery in that case so any good 12V battery charger should suffice to keep both batteries topped up. The vehicle’s dashboard was lit up with a series of alarming 1. Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. malcolm E53 AMG Senior Member. Price ：432USD If necessary, PM 48v battery and alternator issue RS6/7; Page 1 of 2 1 2 Last. 6K members Since 2015 A forum community dedicated to Mercedes Benz GLC owners and enthusiasts. Fault code: B18339A. A 48v lithium ion battery that sits in the space where a traditional 12v would normally sit (under the plastic covers near the jump points), but there is also a 12v AGM sat in the boot floor. It supports the stop/start and does a much smoother/better job of that, as the 48V generator can spin the engine up to "full" 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 Your Mercedes c class 2015 2. I disassembled battery and internal motherboard, it looks ok. In vehicles such as the new Mercedes-Benz C-Class, Will This Device Solve EV Battery Heat Issues? Honda, Foxconn? Renault Might Sell Nissan Stake. This amounts to a mild Battery Types: Mercedes-Benz vehicles use different battery types, with AGM batteries favored for newer models due to their performance and longevity compared to traditional lead-acid batteries. However, the MB Escondido service advisor Mark Ciesla adamantly denied any existing electrical or battery issues with recent model Mercedes automobiles. ADMIN MOD C300 2023 Electrical Issues . 1 volts per cell. EQA; EQB (X243) SUV; EQC electric SUV; EQE (V295) Sedan; EQS; Have brand new 2023 S500 Executive Series. International News. Go back to school lol The battery shown above has 35 cells—a nominal voltage of 3. Common Battery Issues: Regular issues include battery discharge from inactivity, terminal corrosion, and aging—most batteries last three to five years. Although the shift to all-electric vehicles has become the main focus of the automotive industry and the world-at-large, hybrid vehicles—those that combine a combustion engine with battery-powered technology—are still alive and well. Thread starter Terrykal; Start date Oct 22, 2019; Terrykal Senior Member. What’s the situation on Mercedes battery warranty? Mercedes does provide a battery warranty to car owners. Watch how the malfunctioning hybrid battery of Mercedes-Benz S-Class W222 is being replaced by the expert technical team at Sterling Automobiles. When a Mercedes C-Class EQ Boost equipped with the M264 Engine rolled into the workshop with a peculiar issue—Mercedes Starts and Shuts Off Quickly—it was clear that this wasn’t just a routine problem. 213. a. LOG IN; REGISTER; Forums. Anybody has faced similar issue or problem? If i hold accelerator pedal and start car it runs then 5-10 seconds but rpm is very low looks like force start engine. I am assuming it is completely drained as well from sitting for some time. 42. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/ W203/ W205/ W222 repairing function. Last Updated on April 14, 2022 . The Mercedes GLS, like the other GL models like the GLE and GLA, uses a 48V secondary battery to help with the start/stop function and other high amperage Learn how to charge your Mercedes battery effectively with our comprehensive guide. Can't wait till the battery dies. Managed to get home without any further issues. Last Post by Badri. It seems like crash in software of control module of 48 V battery. After a week of service, even on the low speed, the fan speed got quite high and the next day car refused to start, the battery went flat again. This was 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. Drive a Mercedes or BMW and no where as jarring. I for example had 0 issues with my EV mercedes and a shitton with my ICE ones (from brand new). More concerning, these See more A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. see EARLY MERCEDES E 300 BLUETEC HYBRID BATTERY DETAIL | Electric Mercedes models. ved New Member. Mercedes w213 battery 48v internal fault. 5L EQ engine. Integral to the overall design of the 48-volt battery is its plastic housing. Breakdown maintenance policy here would prescribe to keep using the existing battery while it continues to start your car until such a time as one fine morning when it doesn't, then replace the battery. I've noticed a lot of the issues on newer Mercedes and Audi have been their 48V systems crapping out on them, and the problem is that 48V battery usually drives the MHEV starter-generator in the engines. airbagteam. 206. 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, Hello I have w223 the car starts for 3-4 seconds and stops, and 48v battery voltage keeps dropping and after charging comes up so i dont think its 48v battery problem. The belt-driven starter/generator (BSG) and the integrated version (ISG). Turned out to be a loose ground wire. According to Mercedes this is normal, no problem found. 7 volts and a max of 4. Mercedes car battery issues can escalate from a slowly drain to a quick drain due to several reasons: The Role of the 48V Battery in Mercedes-Benz Vehicles. 12-volt and 48-volt Mercedes-Benz batteries allegedly completely drain from electrical defects. July 2, 2022 — A Mercedes battery drain lawsuit alleges defective electrical systems leave drivers The electricals on this car have never given me the slightest issues. The term 'high voltage' is placed around every connector for the hybrid drive system, and the high Cause 3: Hardware short circuit in 48V system causes fault B183319 in 48V battery Cause 4: 48V battery detects abnormality and disconnects causing additional symptoms: Limp Home Mode, overhea- ting, A/C not blowing cold, or loss of acceleration This cause will always have fault code in G1/3: B183371 but will Not 48v system has no impact on performance. If the voltage test fails, then move on to testing the alternator and its electrical connections. Owners And Lessees Of 2019-2022 Mercedes E-Class, Mercedes CLS-Class, Mercedes GLE 450 & GLS 450 Vehicles Encouraged To Contact Kehoe Law Firm, P. October 7, 2022 — A Mercedes-Benz battery replacement class action lawsuit alleges numerous models The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. Every car just has a different problem, it’s really difficult to pin down. Learn how to repair your Mercedes Benz 48V hybrid battery with ease using CG100X or CG100 programmer. 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. That was a GLC 300. 167。 3. The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. 14K posts 6. What is Mercedes-Benz 48V lithium 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 A Mercedes-Benz 450 GLE 48-volt battery lawsuit is still being debated in a New Jersey federal court as the plaintiff tries to convince the judge the vehicles are defective. The shift to 48V also facilitates multiple high-current chassis support systems, which typically depend heavily on charge pumps, capacitors, and transformers in Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. 43. I tried with Xentry if this is any function or way to run The Mercedes-Benz EQS is a battery-powered, full-size, luxury car introduced by Mercedes-Benz in 2021. U. Battery Issues: A predominant concern with Mercedes mild hybrids lies with the battery system. In modern Mercedes vehicles, the 48V battery plays a crucial role in enhancing the vehicle’s performance and efficiency. com/manualsAsk Car Questions & Get Dec 17, 2021 | Blog, Car Problems Car Complaints. 361) Engine: 256. 4 Structure and Functions of 1st Generation of 48V Systems Mercedes-Benz provides two different engines in the 1st Generation of 48V. Follow our step-by-step instructions to charge your battery while avoiding common pitfalls. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. Owners report that these problems occur randomly, even when the car is brand new with less than 50 miles. Reply reply These batteries have had issues. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. My Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. " 2006 w219 cls battery issue. The touchscreen went out while I was driving on the highway and I couldn’t access Your Mercedes C257 CLS 450 4MATIC Apr 25, 2023 #2 The mild hybrids can be jump started from a battery pack or second vehicle via the 12V connections under the bonnet. They are located inside the high-voltage hybrid 48v. Car Service Estimate Mercedes-Benz S580 Electric Problems Inspection; Mercedes-Benz S580 CV Axle / Shaft Assembly Replacement; This week Torque News is reviewing the 2022 Mercedes GLE 450 4MATIC and the main powered in part by the 48V battery and developed by Mercedes-Benz. The message log still indicated a red battery but there was no battery indication on my display. As I drive infrequently a trickle charger was connected 24 hours a day for the past two months (in winter) when not using the vehicle. The first time I got the 48V battery malfunction light on and within 2 minutes the car would no longer Mercedes-Benz recalls 134,000 GLE-Class and GLS-Class vehicles over a risk of fires. Are 48V battery issues still a serious concern? Strongly considering buying a 2022 E53 AMG. In the last few years, we have seen an influx of plug-in hybrid and EV In a lengthy article, Motor Authority got the inside scoop behind Mercedes-Benz’s 48-volt system, which will appear on the automaker’s new 3. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway 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. Thanks Given: 33 Thanks Received: 47 (12 Posts) MHH Auto greatly appreciates the cooperation from members on this critical issue. Model: 223. vlgc bijlj vbqwie cjl zfnd todb kir csuhlj ather rst