Mercedes 48v system problems. An Arizona owner labels the CLS “dangerous.

Mercedes 48v system problems (LIB48_222) B183216 - The 48V on-board electrical system has a mal-function. The icon on the dash is the 48V battery charge level, there is no readout visible for the 12V battery system charge level. Learn About Our Partnership With ACCESS Shelter 48V Electrical System. Aug 13, 2024 · Here are some key points about the 48V battery system in Mercedes: 1. Every car just has a different problem, it’s really difficult to pin down. ” This capability brings EQ Boost closer to full hybrid technology compared to other light-hybrid offerings on the market. Also, I see that a 12v charger might charge 48v through a converter, but no Mar 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. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. K. April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. Learn about Mercedes-Benz mild hybrid system, formerly known as the EQ Boost system, its benefits, compare to plug-in hybrid system, and see the vehicles that are equipped with it. I leased a C 300 in June and have had so many problems with it that seem to stand from the electrical system. But still, the system may fail because of the problems with control units. What is a 48-Volt Mild-Hybrid System? Mild hybrids, also called 48-volt mild-hybrid systems, are the least electrified version of hybrid powertrains. 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. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling advanced functionalities such as the ISG to operate effectively. 10-P-069698, issued April 21, 2021, and entitled, “Functional impairment of 48V on-board electrical system,” and describes a “No start; Yellow or red instrument cluster message Aug 20, 2024 · Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. Apr 28, 2023 · Mercedes-Benz has been experiencing an increase in the number of complaints with their 48V battery system. 00-P-0063-15A (48V on-board electrical system safety guidelines), it is strictly prohibited to work on an active 48-volt on-board electrical system. Common Problems with the M256 Engine. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. This is to notify you of an Emission Service Campaign to perform a software update for the 48V Battery Management System on 58,546 Model Year May 8, 2023 · Mercedes-Benz 2022-2023 sedan recall. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild-hybrid vehicles. This is the mild-hybrid engine with a small additional high-voltage battery pack. 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. 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. One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. Mercedes-Benz refers to this engine-free coasting as “sailing. ALL testing of the ISG must be performed through the XENTRY Diagnosis System. While boasting hybrid drivetrains and complete plug-in hybrid models and being packed with electronics and features, the Mercedes GLC Problems are seemingly high. The direct injection system is not really problem-free. Feb 29, 2024 · While the Mercedes GLE is known for its luxurious interior and more road-focused handling compared to other SUVs, the Mercedes-Benz GLE range has more than its fair share of problems. However, issues with the hybrid battery can arise, leading to malfunctions and other problems. At this moment, problems are being reported with the following models: E-class , CLS-class and GLE / GLS-class model year 2019 and up for the sedans. Further power is added by the EQ Boost system, which uses electricity to spice Oct 23, 2023 · It is Mercedes’ flagship electric car and regardless of its few faults, like its cramped rear space, this vehicle may remain a much-coveted ride for the next years to come. An overview of Mercedes-Benz GLE battery problems. I am a low mileage driver, daily commute is around 10 miles. (LIB48_222) B183217 - The 48V on-board electrical system has a mal-function. To fix either one of these problems at the dealership, you will spend between $9,000 to $12,000. Mar 27, 2022 · 💥Диагностика стартерной АКБ 48 вольт Мерседес w213 и cпособ ее решения с помощью DTS Monaco 8. 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 A 12v system with heavier gauge wire cannot transit data the same way you can with a 48v system and using Ethernet and CAN bus. 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. 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. ” 2020 Mercedes-Benz CLS Battery Problems. The Mercedes-Benz M256 engine, while renowned for its advanced technology and performance, isn’t without its challenges. Dec 29, 2021 · This week Torque News is reviewing the 2022 Mercedes GLE 450 4MATIC and the main highlight of this SUV is that it represents a new level of design, comfort and safety and introduces an all-new B183214 - The 48V on-board electrical system has a mal-function. Dec 5, 2021 · A new battery was shipped from Mercedes. ” Aug 23, 2023 · 3. The touchscreen went out while I was driving on the highway and I couldn’t access the heating controls to defrost my windows. The limit value for electrical voltage has not be-en attained. : Perform Software Update - 48V Battery 2021060009 21P5499625 Management System This NCU replaces the prior NCUs issued on October 7 & 12, 2022 and contains clarification on the launch date of the campaign. Published: 31 Jul 2023, 15:00 UTC • By: Mircea Panait. BGS 48V system problem. 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 Mar 12, 2018 · A 48-volt mild-hybrid system will be the answer to many of our immediate and long-term goals. Sep 1, 2022 · This kind of lithium battery is mainly used in Mercedes-Benz models after 2015, such as 48V light-hybrid models with chassis such as W167, W205, W213, and W222. That was a GLC 300. 110 being sold throughout the U. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. May 21, 2024 · Here’s What’s Included in the Mercedes 48V Cable Recall. 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. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. M256 Engine Mercedes. The most common problems with Mercedes-Benz S400 hybrid vehicles are the failure of the power electronic module and the failure of the hybrid battery. There is a short circuit to ground or an open cir-cuit. Aug 21, 2024 · Mercedes Starts and Shuts Off Quickly: Case Study in a Mercedes C-Class 48V EQ Boost. Literally just had the car in a few months ago for a routine check/oil change and not a single warning. “Due to a manufacturing defect, the threaded nut connecting the negative terminal for the 48 Volt electrical system under the front passenger seat may not have been tightened sufficiently,” said the company in its recall notice. Feb 19, 2024 · 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. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. It's not used for all-electric driving. M256 Engine Mercedes 3. 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. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. This is to notify you that software for the 48V Battery Management System fo Oct 7, 2022 · — TSB LI54. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. Confirm completed guided test(s) for every fault code--not just 48v 5. An Arizona owner labels the CLS “dangerous. The ISG is rigidly bolted to the crankshaft and exchanges energy between the driveshaft and the 48V lithium-ion battery with an energy content of almost 1 kWh. The recall covers an issue with a 48-volt ground May 7, 2024 · I'm coming up on 6 months of ownership on new 2024 GLC. I get a recurring warning alert "the starter battery charge status is very low. The popular Mercedes-Benz C-Class will receive some changes for the 2019 model year, the current Feb 19, 2023 · The brake system in the car is "brake by wire" so as you press the pedal, the car is controlliing mixing the regen and the actual service brakes at the wheels, as needed to make it all seamless. Aug 29, 2024 · M256 Engine Mercedes. It's used for efficient start-stop system operation and also for a little help when accelerating. 16 после долгой One of the cameras went bad (the one for semi-autonomous steering and crash detection, it slammed on the brakes three times, twice in my driveway, once going 55km/h down am empty street), once it wouldn't start, the whole 48v system had to be recommissioned, the navigation stopped loading, developed an odd clunking sound (the transmission Mar 30, 2024 · A battery drain issue can be caused by several factors, such as a faulty electrical system, a damaged battery, or external factors like extreme temperatures. There have been an astonishing 31 complaints and an equal number of recalls for the 2020 Mercedes-Benz GLE-Class SUVs. Jun 6, 2023 · This detonation may also cause problems with quite tender parts of the engine. 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes W169 A Class A170. Less than 3 months and a few thousand miles later I had the exact same problem. Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. 361) Engine: 256. The Mercedes GLE suffers from uncomfortable base trim seats, DPF failure, poor-performing headlights, lurching forward when stopped, exhaust drone, and collision Sep 13, 2022 · Hi all I'm working on a 2020 W167 GLE AMG (167. Its replacement will cost you a fortune. Hope this information helps for someone with similar failure hmm replace a belt that costs maybe $20-$30 USD when it fails after 100,000 miles or pay several thousand for a failed electric motor? I wonder why mercedes didn't just skip putting an electric motor into an ICE engine and just wait until they. 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”. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. 3. Nov 22, 2021 · On its own, the configuration of M256 engine used by my tester develops 362 horsepower and 369 pound-feet of torque. 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. This amounts to a mild According to the Mercedes-Benz Workshop Information System document SN00. They had my car for 5 days, sanded our the pain and reattached it all then said it was fine. Aug 1, 2023 · The investigation was opened on July 25 and comes after the NHTSA received a petition alleging that a defect with the GLC 300’s 48-volt mild-hybrid system can cause the engine warning light to Mar 21, 2024 · Mercedes-Benz has issued a recall covering 116,020 SUVs across several models, including vehicles by Mercedes-AMG and Mercedes-Maybach. Like any sophisticated powertrain, the M256 has encountered some issues that owners and potential buyers should be Oct 14, 2022 · This NCU replaces the prior NCU issued on October 7, 2022 and contains clarification on the launch date of the campaign. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Feb 14, 2023 · 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. An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. Apr 1, 2024 · Mercedes-Benz recalls 134,000 GLE-Class and GLS-Class vehicles over a risk of fires. 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. The light goes on randomly while I’m driving. 2. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). This option became available, thanks to a 48V on-board electrical system. Apr 14, 2022 · Mercedes said it was a manufacturing problem to do with the grounding of the 48V battery in the enginethat there was 'paint' in the way and it wasn't ground properly. 0-liter inline-6-cylinder engine. One more bad thing it can cause is the premature death of your catalytic converter. Oct 19, 2023 · 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 instrument cluster: stop vehicle see operator's Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system display mes-sage / Battery/Alternator - Serviced Required Control unit/fault code Control unit Fault code Fault text N83/1 - DC/DC converter (DDW) (DCDC48_222) B183301 The battery for the 48V on-board electrical system has a malfunc-tion. 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 was low - diagnosed this problem Nov 25, 2024 · Hybrid Mercedes-Benz Common Problems. Dec 16, 2022 · Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system. A single thinner gauge wire can run to a motor for something like the window, handle power delivery, and can transmit valuable data like position of the the window. Confirm all 48v components can be actuated via Xentry guided tests 4. Jun 10, 2022 · Mercedes-Benz is recalling its GLE and GLS SUVs as an issue with their 48V electrical system could lead to a fire. To ensure the vehicle will start, drive 30-60 miles, or connect to a battery charger". Designs vary from model to model, but the Sep 13, 2021 · This system also allows the powertrain to shut down under certain driving conditions in “Eco” mode to help improve fuel economy. Apr 5, 2021 · (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. 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. Hell of a bit update to take 1 hour 36 minutes to load!! Windows 10 took less than that!! Jul 31, 2023 · NHTSA Looks Into Alleged 48V System Defect Affecting the 2023 Mercedes-Benz GLC 300. One describes multiple defects and another focuses on a vehicle speed control problem. It might interest you to know that the Mercedes-Benz EQS is among the electric cars with extra high ceilings. However, my dealer did let slip that I’m not the only one. The recall, 24V-207, encompasses a range of sport utility vehicles manufactured between June 20, 2017, and January 5, 2023, spanning model years 2020 through 2024. Go Back: Problems for all Mercedes models. Nov 6, 2023 · Joined Aug 7, 2005 Messages 23,816 Location Shropshire Car R129 SL500, W639 Vito 120, S205 C300 Oct 15, 2023 · Most Common Problems. It powers an integrated starter-generator (ISG) or a belt-driven starter-generator (BSG), which assists the internal combustion engine (ICE) during Dec 8, 2023 · I have a 2021 GLC300 with 48v mild hybrid system and I do read the forums regularly but cannot recall too many posts about problems with this system but as has been said it is relatively new. The 48V electrical system also supplies power to the electric water pump and air conditioning compressor. Whatever the problem may be, it also results in Mar 17, 2024 · Mercedes should do a recall to replace all 48V batteries as this problem makes the car unreliable and unsafe to use as sometimes the 48V battery system fails while driving. Jul 26, 2023 · A total of 4 complaints are either specifically about battery failure or mention defective batteries. Some common Mercedes-Benz battery problems in the GLE model include: Shortened battery life due to frequent short trips or infrequent driving The 48V electrical system in Mercedes Benz vehicles eliminates the need for drivetrain batteries, making the car safer by minimizing the risk of excessive electrical flow. Intake valves buildup problems. It has a relay that turns off the battery when the voltage drops. does not strike me as a big problem considering how many cars have this system. Feb 14, 2023 · The Mercedes GLC is the successor of the GLK and competes in the compact luxury crossover segment, and is also seen as a mid-size SUV. They represent problems in 22 of the United States Department of Transportation’s National Highway Traffic Safety Administration’s (NHTSA) complaint categories. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Mar 19, 2024 · 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. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE Aug 17, 2017 · 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. alsag bnj aaequ plafk lqfer rkqf afaqgv hqenmcvwi flpep qdbaea