Mercedes 48v battery problems. My 2020 e53 had a 48v batt issue.

Mercedes 48v battery problems 361) Engine: 256. 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" The battery shown above has 35 cells—a nominal voltage of 3. The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. Discover the differences between Lead-Acid and AGM batteries, essential tools for the job, and crucial safety precautions. Check the Charger Compatibility: Confirm that the charger is specifically designed for lithium batteries I have a 5 year old A8 that broke down just over a week ago. However, this car has some issues you’d love to know before attempting to own one. I am a low mileage driver, daily commute is around 10 miles. One of the most natural vehicle problems is a dead battery. My 2020 e53 had a 48v batt issue. I have never seen the battery; it is buried in the boot floor under a bolt down cover. png. 0-liter inline-6-cylinder engine. A 48V battery, commonly used in electric vehicles, solar power systems, and golf carts, requires careful inspection and testing to ensure optimal performance and reliability. Mercedes 48V lithium battery locked up after accident. 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 March 22, 2023 — 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. For instance, in driving situations that permit downhill glides, the battery, if sufficiently charged, can power the vehicle while the engine shuts 48V battery Mercedes. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of Mild hybrids make conventional combustion engines significantly more efficient with little effort. Mercedes-Benz 2022-2023 sedan recall. Replace only 48V battery (regardless of other faults) ii. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/W203/W205/W222 repairing function. 206. Attachments. Even still, just because your battery isn't utterly dead, doesn't mean it's operating properly. To know if your GLE starting problems are from dirty battery terminals, you need to investigate them. The electricity generated is stored inside of a powerful 48-volt battery. 0L Turbo Hybrid: Is it safe to drive with a battery problem? Battery TSBs. Please make sure the 12v battery is in full working order with full charge. The problem is with the 48 volt secondary battery which will not charge. 5. In vehicles such as the new Mercedes-Benz C-Class, Many hybrid vehicles lose valuable passenger or cargo space to accommodate battery packs and related components, but mild hybrids don’t Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. 223. Skip to main content. This kind of lithium battery is mainly used in Mercedes-Benz models after 2015, such as 48V light-hybrid models with chassis such as This is an original Mercedes 48V Hybrid lithium battery, refurbished by our experienced technician, thoroughly tested, calibrated, balanced, and ready to install. Contractor Issue – Contactors open and close the high-voltage circuit. What it does: The generator firstly replaces the starter motor. What is strange is that I dont get any problem messages about alternator or battery as I continue to drive and use the car. The dealer replaced the battery when it got serviced recently. The Mercedes Mechanic can help with your 2022 Mercedes GLS 450's battery warning and shutdown issue. Oct 11, 2021 #4 whitenemesis MB Club Veteran. There are several different reported issues with the 48 volt battery system owners need to be aware of. The only 48v wires in the car go from the SAG to the 48v battery and then to the DC-DC converter located on top of the 12v battery, all in the rear luggage compartment. I get a recurring warning alert "the starter battery charge status is very low. a. Plus, explore maintenance tips to ensure optimal performance and 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. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. News Editor. 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, The belt starter/generator (“BSG”) output 48v, nominally. However, the most common are no starts and vehicles shutting off. A total of 4 complaints are either specifically about battery failure or mention defective batteries. Save Share Reply Quote Like. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. Confirm all 48v components can be actuated via Xentry guided tests 4. One purpose of the combined starter-generator is to help propel the vehicle. That's a 48V system, with a battery in the trunk. Common Problems with the M256 Engine. This is unfortunately quite common issue across entire Mercedes mo CG100 PROG III V6. BenzWorld. i( ¨ — ß ~ ÐëvßV/ìª:Ö³µÊ®6ú5ʯwþ«¼vf­¿x bm­kð_eYÕ|ËŠµ¢_eôåüx ‹˜ž•5e_ ñ " ¬ˆƒ q9ø‹P "" IÄÃ„Ò þ (WCdbQ D Å¡a2yˆP ’‘ e P­ ´]F^ÿõ5! €µ/ò Q¶V JL@Yû ¬}î™u¹¹vS[Ó6 k?죯 M×HXkÑo´–gèæj=+¿Ñ: r¬©Æ Mercedes-Benz AG started looking into the described issue back in June 2022 due to multiple field reports alleging battery-related warnings. While car batteries will tend to fail without notice, your Mercedes-Benz dashboard will issue signals about your luxury vehicle’s battery health. Check the step-by-step guide to repair the battery. Post by LeoDJ » Tue Dec 05, 2023 4:26 pm. This guide provides clear steps to help you diagnose and fix common charging issues, ensuring optimal performance and longevity. 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). The PCU48 is used to convert 48V (from the 48V lithium battery) to 12V, when needed and presumably (since I have not yet found a reference other than the wiring schematic suggesting the PCU48 is a bi-directional 12V/48V converter) to convert 12V from Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. Towed the car over to the local dealership. This kind of lithium battery is mainly used in Mercedes-Benz models after 2015, such as 48V light-hybrid models with chassis such as The Mercedes-Benz EQS is a battery-powered, full-size, luxury car introduced by Mercedes-Benz in 2021. 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. Screenshot_20200311-040848. Mercedes monitored the field worldwide and found other incidents of the same problem. 167. Reply reply 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. 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. B183371 the battery for 48V onboard electrical system has malfunction. Mercedes-Benz issued a technical service bulletin (TSB) for this problem, NHTSA ID Number: 10189404, on February 19, 2021. Common symptoms of Mercedes-Benz GLC battery drain. Last Post by Badri. The shift to 48V also facilitates multiple high-current chassis support systems, which typically depend heavily on charge pumps, capacitors, and transformers in 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. What is Mercedes-Benz 48V lithium battery?. Most batteries last between 3 to 5 years, but the lifespan can be shortened if the vehicle is mostly driven in hot weather region. The diagram is for Petrol and Diesel engine models. Hello dear experts. Voltages are good, the battery is 2 1/2 years old and I have been doing long journeys. This week Torque News is reviewing the 2022 Mercedes GLE 450 which is an all-new available suspension system powered in part by the 48V battery and developed by Mercedes-Benz. 0L Engine Specs, Problems & Reliability. Mercedes 48V Hybrid Battery BMS Repair Service Is your Mercedes BMS locked after an accident (crash) or after a voltage drop ( battery discharge)? We can repair your battery and get you back on the road in 24 – 48 hrs. And don't forget about the thermal paste. Getting Started. Thanks for the info. Who can help with this problem? What is needed for this? Thank you in advance! 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. 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. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. 205. ABA63 Location Offline Junior Member Reputation: 1. I selected the Mercedes over the Range Rover due to my belief in its superior reliability. 213. 11-02-2023, 10:24 PM. airbagteam. Turned out to be a loose 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. We discuss the most common c Your Mercedes SL400 2016, CLA250e 2024 Feb 11, 2024 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 the securing of the battery and the service tech told me that they had added some extra bracing/stiffening to it But most of the complaints relate to faulty 48V batteries. For Mercedes. Thanks Given: 103 Thanks Received: 6 (3 Posts) Posts: 18 Threads: 4 Joined: Apr 2020 Problem with battery 48v in GLS450 2020. However, a new issue has arisen, whereby the car frequently displays a "Battery Malfunction" message and the hybrid battery can only be discharged from 14 miles to 9 miles, and then stuck at 9 miles. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. 5 hours ago . 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/ W203/ W205/ W222 repairing function. Its now at Dealer for second time for this problem with total of 15 days of trying to fix it. 1 volts per cell. 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. Only Problem Hi all I'm working on a 2020 W167 GLE AMG (167. Replies: 9. Some common symptoms include: It is a relatively common problem for the current Mercedes C-Class (W205 S205 C205) S-Class (W222), E-Class (W213 S213 C238) and GLC-Class (X253, C253), amongst other models and A205905341480 capacitor prices vary online. In this case, the fuel Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Views: 539. There was a recall to add some strengthening to the battery containment - presume it is a 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 But based on comments on mbworld. The 48v Battery will lock after a crash, we can reset the battery and charge it back to 48v so it will work as before the crash and start your vehicle again. They are located inside the high-voltage hybrid 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. THen it happened again last week and thus up at the dealer. Your 2021 Mercedes-Benz GLE 450 battery will generally last between 3 to 5 years, but that can change laboriously depending on battery size, weather conditions type of battery, and driving habits. We’ve taken a look on Car Gurus to gauge the resale value of a Mercedes-Benz GLS, below are typical asking prices for each model year. Recently, the same issue resurfaced after the recommended maintenance at 12,000 miles, with the diagnostic code FC P0A7F00 indicating a problem with the hybrid/high-voltage battery module. Lift the There are a few common issues that might be causing the problem. 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 When dealing with a malfunctioning 48V battery, effective troubleshooting is crucial to identify and resolve issues promptly. Daxxer, can you please help me with the same problem? GLE 2020 48V BATTERY AFTER CRASH DO NOTTING. However the car display is not showing a problem as it did correctly on a previous occasion. Contact now to look a 1. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. B183319, or any other faults in the 48V battery. 1 Aug 8, 2024 | 06:57 AM Both are good vehicles but I had more delivery problems withe the BMW (fixed by multiple visits and software updates). Not sure if dealer has checked belts, but will advise. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild But the class action lawsuit alleges recent models with 48-volt batteries also suffer from battery drain. dce. The web suggested the alarm problem was due to the battery. Mercedes E450 EQ Charge meter Photo by Justin Pritchard. 205 is involved. Update DC/DC converter N83/1 if later software is available. Mercedes-Benz Malaysia's EQ Boost-equipped The factors Related Problem : P0A7F00 The state of health limit of the hybrid/high-voltage battery module has been reached. Looking at these, the prognosis doesn't seem good. At that time, the German automaker hypothesized that an the engine comes with the mild-hybrid system called BSG 48V, so it has a starter generator and a 48V battery pack for start-stop and higher torque; There is one common problem for all Mercedes chain-driven engines: replacing the chain and the tensioner costs a lot. 0-liter inline six-cylinder gasoline engine, The ISG is rigidly bolted to the crankshaft and exchanges energy between the driveshaft and the 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. The second generation followed in 2022 for 2023 with hybrid-only powertrains, ranging from mild hybrid Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. But there are a few tell-tale signs that you might be due a new Mercedes battery: Dashboard warning lights could alert you to battery problems. In 3 of those occasions, jumping finally started it. In some cases, vehicles were unable to start and required a tow to Hello ive just bought a 2003 W203 220cdi at auction, 173K on the clock, and after repairing the electric wire in the drivers seat & a few fuses, i'm ready to drive, but i knew the battery/alternator - visit workshop light was on the dash. Contact now to look a The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). 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. Mercedes-Benz 48v Battery Repair Service . Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE 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. Mercedes-Benz is recalling its GLE and GLS SUVs as an issue with their 48V electrical system could lead to a fire. Views: 13,931. Reactions 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. Undoubtedly, I was erroneous. Replies: 3. To choose the correct battery for Mercedes S Class Diesel models click the link. Mercedes service still stinks. We have all been there, whether you leave your lights on, don't close a door completely, or leave the radio too long The battery supplies power to the combined starter-generator, which in turn also sends power back to the battery. (Lake district and back last week). Model: 223. I need help fixing a 95M01 dump from a Mercedes 48V battery (LIB) after crashing and discharging. This energy, otherwise lost, is stored in a 48V battery and then used to support the engine and power a high-performance 48V on-board electrical system. U. Drove another 2 miles on my way home and the light comes on. I know the S class had some type of continuous repair issue a couple of years ago and our local Hi guys Mercedes 2020 year model, X290 AMG After the accident car is not starting, and 2 faults on G1/3 48 V battery. Is this telling Looking a buying a new small/mid size car and many are now mild hybrids, so a 48v battery for starting and assiting the drivetrain, plus a 12v conventional one for the ancillaries etc. 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. 167。 3. Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Addressing a Completely Dead Battery. P0A8000 The hybrid/high-voltage battery module must be replaced. This involves recovering kinetic energy while the vehicle is braking ("recuperation") – just like KERS in Formula 1. The best thing to do if you own a Mercedes GLS is to take it to a Mercedes dealership and have them check for any recalls that haven’t been completed. If the battery is in a good state, the multimeter should show a reading between 12 and 13 volts. The actuator is blocked problem has been solved, crash has been removed, thank you for all guys Thanks for pitpol for his support. Ours did have the range extender button but we never used it as each press does ‘stress’ the battery. This will only have fault B183371 in 48V battery. A completely dead battery means that it has no charge at all, and it won’t be able to hold a charge until it’s been jump-started or Get 2021 Mercedes-Benz GLE 350 battery replacement cost info & claim your 2021 Mercedes-Benz GLE 350 battery coupons from Plaza Mercedes. This fault can be solved through DTS MONACO without replacing parts or cutting brush data. Safety Precautions: Always wear safety gear, work in a well-ventilated area, check for damage before charging, and follow proper procedure for charging and disconnecting to avoid accidents. All 48V batteries of Mercedes Benz provide DTS MONACO technical solutions: 2. Short runs in the car (lockdown rules) fixed the problem for a day at most before they all returned MBClub UK is in no way affiliated with Mercedes Mercedes 48V lithium battery locked up after accident. Any hint about this new issue? The top destination for Mercedes and AMG discussion, news, and rumors. Can't really find much info on it in the manual. One more type of the battery for mercedes cars are A0009829308, it is very similiar looking for the previous model Mild hybrid from Volvo is a fairly typical mild hybrid set up. What it is: Generator/Motor between the engine and transaxle. Back to Porsche . Mercedes W213 2020 Diagnose. The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. Tested, fully working, shipping now. The TSB lists the possible causes along with remedies for each. The message log still indicated a red battery but there was no battery indication on my display. An issue with the 48V electrical system has led Mercedes-Benz to recall 804 GLE and GLS SUVs from 2019 to 2021. Such as the ISG – integrated starter generator which doubles Dec 17, 2021 | Blog, Car Problems Car Complaints. Has anybody encountered a 48V battery malfunction, and what resolution did Mercedes provide? Additionally, would this problem be I need help fixing a 95M01 dump from a Mercedes 48V battery (LIB) after crashing and discharging. B183371. To choose the correct battery for Mercedes S Class Petrol models click the link. 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 The 48V power network makes it possible for certain components or a group of components to run off electricity which wasn’t possible with the smaller 12V of before. In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. Mercedes M256 3. Mercedes-Benz SUVs, Trucks, Vans, Diesels, Other; GLE Class (V167) To me the only things lacking are small storage areas due to the battery under the cargo area. International News. Feel free to share your classic Mercedes-Benz here! Check out our new wiki to help you troubleshoot Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. The vehicle model 213. 790 posts · Joined 2017 Add to quote Mercedes 48v system has the A New Jersey man claims that his $76,918. Site Announcements; New Members Check In! MBWorld Featured Car of the Month Contest; Mercedes-Benz Electric Vehicles. We can repair the 2 types of batteries pictured & your car will start and drive as normal. For example, the power stored in the 48-volt CG100 PROG III V6. . Join the Convo. The service center told me that they couldn’t do anything and I needed to wait for the new software that Mercedes was developing to eliminate this error, and I could wait a year and Mercedes Me is reporting a critical battery condition and has also sent me an email to that affect. Can't wait till the battery dies. Electrical system problem: The (µ/ý X$êêK ;D0e†› ÀÀÀÀÀ@U EM8j[["EV™’¤¡Ð&IäL˃ uŠøÇG‡Â •#æ±Ùȶ ü›™Ùî*a´îJ. We will always provide a detailed cost breakdown before starting any work, ensuring you are fully informed and comfortable with the expenses involved. A new battery was shipped from Mercedes. Are 48V battery issues still a serious concern? Strongly considering buying a 2022 E53 AMG. Joined May 7, 2007 Messages 20,009 Car 48V Battery Malfunction Dec 2023 Mercedes GLE Premium Mild Hybrid ved; Sep 16, 2024; Electronics and Audio; Replies 6 Views 752 Mercedes Benz 48V MHEV BSG - Help needed. Users browsing this thread: 1 Guest(s) Useful Links. Tags 48v problems. Author: fanatrally. In this comprehensive guide, we have explored the various aspects of Mercedes-Benz GLE battery drain issues, including understanding the problem, identifying signs of battery failure, troubleshooting, the role of the 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. Class action lawsuit alleges the 12-volt and 48-volt batteries drain and strand consumers. 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. Look out for battery or engine warning lights and get your battery checked if either flash up. Find the answer to this and other Mercedes questions on JustAnswer These problems can manifest themselves as sudden battery drains, inability to start the car, or even the car shutting down while in motion. LOG IN; REGISTER; Forums. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway I'm coming up on 6 months of ownership on new 2024 GLC. Older batteries become less efficient The Mercedes Me phone app does allow preconditioning the battery and interior which does help the winter range. The Mercedes GLS has very few faults compared to its siblings, the GLA and the GLE, with only the HVAC and the 48V battery system being the most significant problems. Say goodbye to battery problems, low power, and difficulty starting your vehicle. No contact and still no news on the 12 V battery problem. Story continues below. The site 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. Last Post by airfree. Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. Here are some key points about the 48V battery system in Mercedes: 1. K. This guide provides a comprehensive approach to diagnosing and . One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. Learn how to repair your Mercedes Benz 48V hybrid battery with ease using CG100X or CG100 programmer. This amounts to a mild 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 However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. Many owners of the GLC had to replace their 48V battery, which wouldn’t last long; some had to replace it again in under a year. Thanks given by: Mercedes 48 battery repeaer. Mercedes-Benz 48v Hybrid Battery Repair Service. To ensure the vehicle will The malfunction also leads to other problems including overheating and air-conditioning problems. SUPPORTER. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. This battery also allows a gliding function. If your Mercedes car battery is completely dead, you’ll need to take some extra steps to get it charged. I see a lemon law coming. Looks like the battery malfunction symbol quite often ends up with a replacement hybrid battery at a cost of £6k - £9k or a replacement gearbox at similar cost. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. There is a recent technical service bulletin (TSB) posted to the 2021 Mercedes-Benz GLE-Class page that addresses the battery issue. The leading cause of dead battery in Mercedes-Benz GLE is internal degradation due to old age. Thanks Given: 2023 S500 3 weeks old and 4x in shop. 4. Check the step-by-step guide to repair the battery. co Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. Had a starter battery problem with my GLC250 fixed by Mercedes under warranty no problem. Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. Attorneys have reason to believe the battery problem occurs The only evidence that it is MHEV is the effortless starting from the 48v starter motor. Solved the problem by replacing main board. ; Measure the starting voltage of your Mercedes Benz: With the tips of the multimeter in the same position, and without breaking contact, we must turn the engine on and check how much the voltage drops when the engine If you Google for 'Mercedes Hybrid Problems', you will come across quite a few forum thread references (some including the names mentioned above). Most batteries last between 3 to 5 years, but the lifespan can be shortened if the vehicle is mostly driven in hot weather Upon receiving the car back, I noticed that the charging problem had been resolved. But it leaves owners completely stranded when the 48v system goes haywire and requires a $3000 battery replacement ? Seems from Mercedes forums and elsewhere this is a very common occurrence in the 2019 – current models. 7 volts and a max of 4. 0 Reply. Owners report that these problems occur randomly, even when the car is brand new with less than 50 miles. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). William Stopford. 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. I still recommend checking the chain and maybe even changing it to 100,000 Problem continued (actually dead once). The plaintiff contends the 48V battery is supposed to help with fuel economy, but a Mercedes opened an investigation in June 2022 after customers complained about battery-related warnings. Comments. 48V Battery problem. This states that the 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. M256 Engine Mercedes. EQA; EQB (X243) SUV; EQC electric SUV; EQE (V295) Sedan; EQS; The 48-volt setup, which works in parallel with the conventional 12-volt system, consists of a typically rear-mounted battery (albeit a much smaller one than a hybrid), an electric motor/generator I have had 4 occasions in last 3 months where 450 is dead after only sitting for an hour. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! This section will explore the common symptoms, specific problems related to the GLC battery, and potential causes of these drain issues. Follow the step-by-step guide provided to Previously known as the GLK-Class, the GLC-Class went live in 2015 for the 2016 model year. 36 Mercedes-Benz GLE 450 SUV fails to start and has other problems due to battery and electrical defects. Question - My Mercedes C200 Sport Saloon showed a 48v warning of - . The multimeter will display the “available voltage” of the battery. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. Advertisement 4. Trouble starting your Mercedes can be a sign of an ageing battery. 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. Kiders Location Offline Junior Member Reputation: 0. Thanks given by: Reply. Never used the GLC START/STOP functionality. 253. 0-litre petrol engine is showing a diagram of a battery and the words “Start Engine – see Owner’s Manual” both before and after ignition. It suggests what dealerships can do to overcome the problem. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. It stayed on for a couple of miles but went out when I accelerated to about 60. at least three technical service bulletins related to a “no start condition and/or issues related to the vehicle’s battery and/or the vehicle’s electrical system Last week a battery warning came on the sash saying 48v and on By chatting and OK. Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system According to Mercedes this is normal, no problem found. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems 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. More concerning, these See more Soon after that quote however they told me that the fault could be rectified A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. The DC-DC converter is the only way to charge the 12v battery and ALL vehicle systems are natively 12v. The battery simply dies as I drive it. The Mercedes-Benz M256, the newest 3. This happens after 24 hours and a long drive. Follow our step-by-step instructions to charge your battery while avoiding common pitfalls. Prices may vary depending on your location. Replies: 42. 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 Replacing the 48v battery will solve the problem. First time in 40 years ,have had a bad one,so best of luck in your next On average, the cost for a Mercedes-Benz S580 Car Battery Replacement is $305 with $165 for parts and $140 for labor. 2. C. 10 June 2022, 6:00pm. Author: anonimo. Eventually got to the situation where the car The 48V battery system in Mercedes vehicles is an advanced electrical architecture designed to support a variety of functions that improve both performance and efficiency. Fault code: B18339A. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. 1. The leading cause of dead battery in Mercedes-Benz C-Class is internal degradation due to old age. Thanks for the help. The GLS uses a 48v secondary battery to assist the startup of the vehicle and to power other car components. Mercedes-Benz 48V Battery TSB. With so many electronic components, 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. NHTSA Launches Probe Into Mercedes GLC 300 Over Alleged 48V System Fault. However, my dealer did let slip that I’m not the only one. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling 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. Believe the battery was original fit, so I got about 6 years before replacement. Dealer replaced starter battery. Confirm completed guided test(s) for every fault code--not just 48v 5. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera Is the c300 a new eq model with a 48v battery system as if it is you would actually be charging both the 12v and the 48v battery. News; Canada News (48v battery) during 2021 Mercedes-Benz GLE 450 Battery. 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. 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. 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 can't get hold of him, 48v battery fault mercedes 2019. Mercedes requires us to open Learn how to charge your Mercedes battery effectively with our comprehensive guide. It’s now with Audi who say both the new 12v battery and the 48v battery are showing faults and need replacing. 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. Who can help with this problem? What is needed for this? But don't advise people stupidity because they make problems and high costs of further repair, which you should incur costs because you advised stupidity What is the designation on the 48V Electrical System. our team will promptly address the problem My 2015 Mercedes C-class with a 2. 3 Years Ago. When dealing with 48V battery failure of Mercedes Benz 223 and 206, it is necessary to cooperate with the programming and diagnostic certificate. It states that the Xentry battery Test doesn’t match the current state of the battery installed. MB are saying starter needs replacing, but I see on some other threads that after replacing the problem reoccurs . When a Mercedes-Benz GLC battery keeps dying, there are several signs that can indicate a problem. 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. thank uou Mechanic's Assistant: And, how would you like to connect with the Mechanic Our Mercedes C350e hybrid battery replacement services, typically range from £6,000 - £14,000, including professional installation and warranty. I had a new 12 volt battery installed after some minor electrical issues and 2 days later the whole system went within 30 seconds of the warning lights coming on. Mercedes S Class : Battery Location Location of the battery in Mercedes S Class car models Plus, the battery is far smaller and lighter than in a high voltage hybrid or EV application where it’s typically hundreds of volts. Last Post by huschi980. 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. It has a relay that turns off the battery when the voltage drops. Also the doors locked has been Indicators of Battery Problems: Look for signs like a slow engine crank, dashboard warning lights, flickering interior lights, or corroded terminals to identify battery issues early. 1 MB Views: 354. Views: 459. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. Car Service Estimate Shop/Dealer Price; 2023 Mercedes-Benz S580 V8-4. Failure of the 48V Secondary Battery. July 2, 2022 — A Mercedes battery drain lawsuit alleges defective electrical systems leave drivers Mercedes-Benz E-Class and E-Class AMG: Why is My Battery Not Charging? The Mercedes-Benz E-Class has one main battery in the trunk and an auxiliary battery in the engine bay. Reply. Author: vysi. Customer: no this is the only problem I'm aware of. Users browsing this thread: 1 Guest(s) This article outlines the location of the car battery in the Mercedes S Class. 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 the battery and the control electronics, the ISG (Integrated Starter Generator) is the heart of the 48V system. 03-20-2024, 09:27 PM. M256 Engine Mercedes 3. B183304。 4. The investigation concerns battery failure of the 48-Volt battery in certain Mercedes vehicles, which can cause a vehicle not to start, thereby Troubleshooting charging issues with a 48V lithium battery requires a systematic approach to identify and resolve potential problems. Hi there, (I hope I'm posting this in the right topic) That sounds exactly right, the rectified output must always be below battery voltage to avoid charging while the battery is full, otherwise when you were revving the engine the diode bridge in the Through research, it is found that the problem of fault code B183371 reported by Mercedes Benz 48V battery causes the vehicle to fail to start. nsopxdz mkji faaq rkqyjpr pzd frsihvg axbz xxpe ltdu myvy