Mercedes 48v system problems. However, it won’t reach the U.
- Mercedes 48v system problems The I6 now provides 380-lb/ft, 420 HP. 0-liter inline-6-cylinder engine. This system was installed to GLS 580 4MATIC and GLE 580 4MATIC. To fix either one of these problems at the dealership, you will spend between $9,000 to $12,000. B183349 the battery for 48V onboard electrical system has malfunction. M256 Engine Mercedes. Mercedes drivers who’ve had problems with the 48-volt batteries in their vehicles. The limit value for electrical voltage has not been attained. Solved the problem by replacing main board. S8 : 2020 – 2022 . 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. 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 Abs system malfunctions: Some glb models have experienced problems with the anti-lock braking system (abs), resulting in improper brake performance and longer stopping distances. Learn About Our Partnership With ACCESS Shelter. I delayed it since I wasn't ready since it might cause problems. I for example had 0 issues with my EV mercedes and a shitton with my ICE ones (from brand new). “The 2020 Mercedes CLS has a known defect in their 48V system that turns the engine off in locations with high heat zones. Mercedes' handling of the situation is disappointing, as the instrument panel function, designed to alert about car problems, loses its purpose when the check engine light remains on continuously. 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. 0L engines are combined with a 48V electrical system. The limit value for electrical voltage has not be-en attained. ” 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. I was hoping it would fix the lack of You forgot your phone. It´s just random. However, this car has some issues you’d love to know before attempting to own one. ABA63 Location Offline Junior Member Reputation: 1. This is the mild-hybrid engine with a small additional high-voltage battery pack. the 2023 Mercedes GLC300 48V I came across a disconcerting info, that the 48v generator system has a somewhat widespread failure, causing the whole electrical system to fry and stop Home. In the efforts toward complete lineup electrification, Mercedes-Benz added an electrified boost with some additional (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. Addressing these common mechanical problems as soon as they arise can help glb owners maintain the optimal performance and longevity of their vehicles. "b200096: faulty control module active/static storrd in starter/generator control module and u046900: invalid data received from grnerator control module static in ecm. However, issues with the hybrid battery can arise, leading to Lower currents A 48v system draws a quarter of the current, compared to a 12-volt system, so the gauge of the wire in the harnesses can be reduced – resulting in significant weight savings The M264 1. P0A8000 The hybrid/high-voltage battery module must be replaced. Mercedes tried hard to make a good and durable and still affordable small engine that 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 48V Electrical System. In this Your Mercedes R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP 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 Electrical System problem. 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 Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. M256 Engine Mercedes 3. Further power is added by the EQ Boost system, which uses electricity to spice 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. Audi Forums A6 Series. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). de energized 48v system. Tested, fully working, shipping now. We expected the new basic Mercedes-AMG C-Class to use the M139 turbo engine from the A35/A45 AMG which provides 387 HP/480 Nm or 421 HP/ 500Nm but Mercedes has made another decision. ” 2020 Mercedes-Benz CLS Battery Problems. However, the most common are no starts and vehicles shutting off. The actuator is blocked. Thanks given by: Reply. What it does: The generator firstly replaces the starter motor. 2. removed and replaced starter generator. 6/2. That adds complications. The engine was The National Highway Traffic Safety Administration has received a petition to open an investigation into alleged problems with 2023 Mercedes-Benz GLC300 vehicles. kfequipment. 0600 InternalNews Channel Update | Vehicle Compliance and Analysis. A6 allroad, and Q7 : 2020 – 2023 . Feel free to share your classic Mercedes-Benz here! Check out our new wiki to help you troubleshoot Mercedes-Benz’ new S-Class will enter the market this month with an all-new engine range (diesel and gasoline variants of 6-cylinder in-line engines and a new V8 biturbo gasoline engine) with a series of new technologies for electrification of the powertrain (earlier post), including a 48V system (S 450 and S 500 models) and Integrated Starter Generator 12v/24v/48v Battery problems: 1. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems The factors Related Problem : P0A7F00 The state of health limit of the hybrid/high-voltage battery module has been reached. Site Announcements; New Members Check In! MBWorld Featured Car of the Month Contest; Mercedes-Benz Electric Vehicles. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770. It's used for efficient start-stop system operation and also for a little help when accelerating. More concerning, these See more A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. 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. 🚀Recommended article: Ford Duratorq 2. This involves recovering kinetic energy while the vehicle is braking ("recuperation") – just like KERS in Formula 1. Confirm completed guided test(s) for every fault code--not just 48v 5. Air charging is the next key feature of the M256 engine. 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 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. Mercedes-Benz is recalling its GLE and GLS SUVs as an issue with their 48V electrical system could lead to a fire. Whatever the problem may be, it also results in In early July, a plethora of Mercedes-Benz passenger models, including 2021-2023 GLC 300s, 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. BMS is integrated into the hybrid battery. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE I have looked at what this is and am pleased with that but, has anyone had any problems with their EQ Boost ? Jun 9, 2022 #2 rayaans Active Member. TO: Mercedes-Benz Dealer Principals, General Managers, Sales Perform Software Update - 48V Battery Management System DATE: February 8, 2023. In 2017, Mercedes presented on the facelifted S-Class the diesel version with six cylinders OM 656 with 286 HP and 340 HP and the petrol version with six cylinders M256 with mild-hybrid system and 48V network with 367 and 435 HP respectively. " Per Mercedes-Benz vehicle-specific repair information, Notes On Battery: "A 48V connector may only be unplugged in de-energized state. A8 e quattro : 2020 – 2021 . org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Among the many complaints about the 2020 Mercedes GLE Class, the biggest is regarding the electrical system. The touchscreen went out while I was driving on the highway and I couldn’t access the heating controls to defrost my windows. Reply reply The main change to this '22 is the 48 volt battery that powers the turbo, and numerous other appliances. 2. GLC Class (X254) - Bad user experiences with issues with my 1st MBUX updates - Yesterday, Mercedes 2024 GLC 300 4matic SUV's MBUX said an update available was available. Typically, but not always, 2021 that points out “functional impairment of 48V on-board electrical system”. 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. Designs vary from model to model, but the My c200 displayed a red 48v notice and advised that the car be stopped and I refer to the manual. Mercedes M274/M270 1. Your GLA seems to go between a battery drain to a power surge (with the fan). What it is: Generator/Motor between the engine and transaxle. Every car just has a different problem, it’s really difficult to pin down. Mercedes GLE General Discussion Its now at Dealer for second time for this problem with total of 15 days of trying to fix it. As a result, the new models of the C-Class family offer even better It is merely supplied by a 48V/12V DC/DC converter instead of by a 12V alternator. Engine: 3L turbo & E-supercharger, in-line six-cylinder, petrol Power: 367 hp @ 5,500 – 6,100 rpm To add to the mix, Mercedes-Benz will use 48v systems on C class hybrids, a new CLS and the new S Class will have the system modified for their petrol and diesel saloons as well. Search forums. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. Site Functions. 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. Diagnose the problem here. First time in 40 years ,have had a bad one,so A total of 4 complaints are either specifically about battery failure or mention defective batteries. X (Twitter) Contact us. How does the Mercedes-Benz mild hybrid technology work? The mild hybrid technology electrifies combustion engines. Given their compact size relative to standard Hi all I'm working on a 2020 W167 GLE AMG (167. Authorized retailers have already been instructed by Mercedes-Benz USA to check the bolting of the ground connection. FCA US, LLC Affects California Lemon Law But based on comments on mbworld. 705. When the hood is open the 48v system is naturally deactivated. B183214 - The 48V on-board electrical system has a mal-function. Mercedes Starts and Shuts Off Quickly: Case Study in a Mercedes C-Class 48V EQ Boost. (LIB48_222) N83/1 - DC/DC converter (DDW) (DCDC48_222) As detailed in the IDTechEx report, Mild Hybrid 48V Vehicles 2016-2031, this option will become a huge business from 2017 as Ford, Hyundai, Bentley, Volkswagen, Audi, Geely and many others adopt them as the most cost-effective way of meeting 2025 and 2030 carbon dioxide emissions regulations while sharply improving economy - even improving Once the 12v battery is seen as full, it will then start charging the 48v system. . suspect faulty starter generstor. 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 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. Even though the engine is still new for Mercedes, hundreds of thousands of Renault vehicles with 1. The 2019 Mercedes-Benz AMG E53 has 3 problems & defects reported by AMG E53 owners. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway 2010 Mercedes W212 E Class E350 CDI Sport, 2006 Mercedes W169 A Class NHTSA Looks Into Alleged 48V System Defect Affecting the 2023 Mercedes-Benz GLC 300. Your favorite bike, accessories, problems, Hi guys Mercedes 2020 year model, X290 AMG After the accident car is not starting, and 2 faults on G1/3 48 V battery. Both models use the same 306 PS (302 HP), and 400 Nm (295 lb-ft) 2-liter turbocharged engine mated to an 8-speed dual-clutch automatic transmission that sends Mild hybrids make conventional combustion engines significantly more efficient with little effort. problem has been solved, crash has been removed, thank you for all guys Thanks for pitpol for his support. 5L and 2. The worst complaints are cooling system problems. Mercedes 48V lithium battery locked up after accident. My 2020 e53 had a 48v batt issue. There is a short circuit to ground or an open circuit. Battery Management System (BMS) Failure. co I find it hard to accept. 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. The Mild Hybrid System in 2024 Models: The introduction of the mild hybrid system in the 2024 X5 models is a step towards improved fuel efficiency and reduced emissions. Common Problems with the M256 Engine. BGS 48V system problem. However, it won’t reach the U. Also, I see that a 12v charger might charge 48v through a converter, but no 2. On mopar recall service done shows it had been serviced and bunch of lies I have never taken my The battery problem complaint is filed on the NHTSA website under 2 categories, Electrical System and Engine. 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. So, not a design defect but a mfg problem. Thread starter c3ll; Start date May 14, 2023; Forums. Mercedes crunched the numbers and decided to make a line of "mild hybrid" inline 4 and 6-cylinder engines, that have temporary electric boost to give the 4-cylinder the power of a V6, and the I6 the power of a V8. Open Today! Sales: 9am-7pm | Open Today! I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. 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. 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. Recently reported Electrical System problems of the 2021 Jeep Grand Cherokee . 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. Members Online • [deleted] ADMIN MOD Don't you guys think Mild Hybrid-EQ boost system on new Benz is simply terrible? I love electric cars and I love gasoline The integrated ISG 48V light hybrid system helps boost the engine’s overall power. 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. 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. Sorry to hear about your problems, I believe they are a first here as you have reported them. 3L M282 Engine Problems and Reliability. C. Mercedes aimed to correct many of the deficits Your Mercedes SL400 2016, CLA250e 2024 I wouldn’t say I’m worried it’s more that I like to understand how the 12/48V system works mainly due to the car sitting for long periods and my low mileage nowadays - both my cars require a top-up charge at least twice a year due to this. It has a 900-WH 48V lithium battery. That's a 48V system, with a battery in the trunk. I want to tell you more about the 2. They never found the issue with the engine and entire ignition and computer system shutting down and having to be The 12 volt battery is a vital component of the starting system in Mercedes-Benz C-Class. This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. Owners report that these problems occur randomly, even when the car is brand new with less than 50 miles. Hope this information helps for someone with similar failure 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. AIRMATIC air suspension system is the base of this suspension system. Dear Customer, There are several complaints from owners who have experienced battery problems such as no start, engine warning light, and unexpected shutdown. bay. The important part is how they handle this. The site includes The Mercedes-Benz E-Class has one main battery in the trunk and an auxiliary battery in the engine bay. The warning light you have seen is an alert that a problem has been detected with this system. Here are some key points about the 48V battery system in Mercedes: 1. Note: this fault code may include additional 48V system consequential faults although B183371 is the primary root cause. " 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 Mercedes-Benz EQ Boost is a 48-volt on-board electrification system, according to Daimler AG. Replacing the 48v battery will solve the problem. and loss of acceleration with fault code: B183371 The battery for 48V on-board electrical system has a malfunction. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. Mild 48v hybrid system problems and fried installations. 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. 0L Turbo engine available in the C 300 and C 300 4Matic trims in the Mercedes-Benz C-Class. Premium trim gets you an upgraded sound system and (even) more safety features, such as exit warning assist and blind-spot assist. Reactions: fju2112 and kiat101. There is a short circuit to ground or an open cir-cuit. Read our experts' views on the engine, practicality, running costs, overall performance and more. 0-liter four-cylinder gasoline engines for front- and rear-wheel drive vehicles. There are several different reported issues with the 48 volt battery system owners need to be aware of. Is the Mercedes-Benz M282 a good and reliable engine? We believe this 1. 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. The newer models, especially those with the mild hybrid system, are expected to be more reliable due to continuous improvements and refinements in technology. Mercedes 48v system has the same problems 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 Furthermore, the development of E-ACTIVE BODY CONTROL is totally inhouse. Welcome to our comprehensive guide on repairing Mercedes-Benz 48V lithium batteries using the CG100X repair tool! If you're a Mercedes owner facing battery i I think the Mercedes and Audi have three main issues: It’s not a fully 48v system. fuel injection, pump, aircon compressor) like an old-fashioned car. Cause 3/6: Red battery light or check engine light without fault B183371 Mercedes-Benz S580 Brake System Flush; Mercedes-Benz S580 Adjust Ignition Timing; Mercedes-Benz S580 Brake Warning Light is on Inspection; Mercedes-Benz S580 Door does not lock or open Inspection; Mercedes-Benz S580 Electric Problems Inspection; Mercedes-Benz S580 CV Axle / Shaft Assembly Replacement; Mercedes-Benz S580 Turo Host Inspection 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. Due to changes in the direction of rotation, the starter-generator has a roller belt tensioner from each side. ALL testing of the ISG must be performed through the XENTRY Diagnosis System. (LIB48_222) B183217 - The 48V on-board electrical system has a mal-function. An Arizona owner labels the CLS “dangerous. Getting Started. Mercedes-Benz 2022-2023 sedan recall. Published: 31 Jul 2023, 15:00 UTC • By: Mircea Panait. Mild hybrid from Volvo is a fairly typical mild hybrid set up. Forums. As a result, the 12 Volt system is only de-energised when the 48 Volt system has previously been de-energised. The National Highway Traffic Safety Administration (NHTSA) has initiated an investigation into the alleged 48V system defect affecting the GLC 300 model year 2023. Hence, it provides an all-round level of control. Troubles with Mercedes Mild Hybrid Systems Specific issues and challenges with Mercedes’ mild hybrid technology. At the heart of the new Mercedes-AMG E 53 models is the electrified AMG-enhanced 3. The 48v battery is not charging. 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. Here is a simple and effective explanation on how the Mercedes-Benz C-Class Mild Hybrid system works to get the best possible power with good fuel consumption. Mercedes-AMG A 35 (2024) in-depth review. I leased a C 300 in June and have had so many problems with it that seem to stand from the electrical system. Critically 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”. One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. “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. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of German engineering always contained over complex vehicles that also have issues. 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. Some things are 48v, some things are 12v. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. It keeps the vehicle level constant, no matter what. These models, like the EQ Boosted CLS53, will supply a conventional 12-volt system for cabin accessories without a B183214 The 48V on-board electrical system has a malfunction. The popular Mercedes-Benz C-Class will receive some changes for the 2019 model year, the current 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. Past experience with the dealer's service department has been great, although I understand BMW has their own TSE determine all work required for warranty work. The range-topping Premium Plus adds electric seats and a sunroof. 8 HP). It could Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. The belt starter/generator (“BSG”) output 48v, nominally. 430 horsepower out of an inline-six engine is mighty impressive, and the M256 can thank the light hybrid integration for that output. If the battery doesn’t have enough charge, the engine may crank very slowly What’s 450, ISG, 48V, EQ Boost? The CLS450 uses MB’s latest generation of electrified, twin charged straight 6 engines, codenamed the M56. necessary for billing under warranty. The Mercedes GLE suffers Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system. The 48-volt power supply that makes the ISG and electric turbo viable already features in the S-Class, and will soon filter into other Mercs. (LIB48_222) N83/1 - DC/DC converter (DDW) (DCDC48_222) B183216 The 48V on-board electrical system has a malfunction. Overall so far statistically the EV models have less major problems than the ICE ones ever had. That was a GLC 300. 6 and 2. So, you can increase or decrease the level of the vehicle. restarted 48v system and performed replacement test plan" The inline six-cylinder gasoline engine (M 256), available for the first time in the Mercedes-Benz E 450 models, features an integrated starter-generator (ISG) and 48-volt technology. Turned out to be a loose ground wire. It requires 48V operating voltage. It powers an integrated starter-generator (ISG) or a belt-driven starter-generator (BSG), which assists the internal combustion engine (ICE) during 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. Mercedes M264/M260 Engine Problems and Reliability. The normal 12V system will still handle the standard bits and pieces that keep the motor running (e. 48V battery Mercedes. Some of the technology is, more or less, new. This could potentially mask other issues. 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. The 48-volt system, as the outlet reports, will appear on the 2018 Mercedes-Benz S-Class. However, my dealer did let slip that I’m not the only one. Battery Issues: A predominant concern with Mercedes mild hybrids lies with the battery system. You have techs (and suppliers) that may not be completely familiar 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. Once I parked safely the car wouldn't start anymore and even the AA couldn't sort out the problem hence car had to be recovered after a 6 hr wait. They are equipped with a belt-driven starter-alternator (BSA) and a 48V electric water pump by Magna. It has a relay that turns off the battery when the voltage drops. 3L I-4 turbo engine earns above-average praise for reliability. Demonstration of Mercedes 48V hybrid battery testing reprogramming kit. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild-hybrid vehicles. Mostly, they are related to the 48V batteries the automaker used. 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" According to the Mercedes-Benz Workshop Information System document SN00. One describes multiple defects and another focuses on a vehicle speed control problem. and are looking into all cars with the 48-volt mild hybrid system. With so many electronic components, things go wrong and could end up draining one of the batteries. anytime soon. Contact now to look a However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. Here’s What’s Included in the Mercedes 48V Cable Recall. A 48-volt mild-hybrid system will be the answer to many of our immediate and long-term goals. Affected components listed in documents published by the federal watchdog The Mercedes-AMG C43 is currently powered by a 3-liter twin-turbo V6 coupled with a 9-speed automatic transmission and all-wheel drive that delivers 390 HP. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling 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. dc/dc converter is glued to 48V battery Oh I did try this but did nothing, I can try again but apparently they have a relay that shuts the battery down if it gets low, it's ment to be inside the battery but I have no idea, daxxer can do it but not been online for a while A 48V on-board electrical system for Mercedes-Benz is realized through the introduc-tion of an additional voltage level to complement the established 12V on-board elec- This on-board electrical system problem can be resolved in two ways: by in- 48V at Mercedes-Benz – options for further applications Mercedes-Benz 1. These cars should be recalled, but Mercedes seems to be taking a workaround. The production of these Welcome to the GLA Forum keyur. A new battery was shipped from Mercedes. This system is crucial to a number of functions, including the mild-hybrid capabilities of the vehicle. 5 2024 GMC Infotainment System Problems & How to Fix Them; How Rodriguez v. Save Share BenzWorld. A6/S6/Allroad forum (C8 The quick summary is that the 12V MHEV system is a dumbed-down version of the 48V MHEV system in most other Audis. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. 2 Diesel Engine Problems: What You Need to Know. 361) Engine: 256. 0L inline gasoline engine with EQ Boost and intelligent forced induction. 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. A screenshot of ODIS with the VIN and DTC Memory Results from the test plan is . saying (what The plaintiffs claim Mercedes has tried to repair the problems by issuing various technical service bulletins. 5 De-energising 48 Volt system-Vehicle diagnostic tester is used to de-energise 48 Volt sys‐ tem. 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. com/products/w212-w221-hv-hybrid-battery In the CLS53, that engine is a 3. The vehicle’s dashboard was lit up with a series of alarming 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. An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. Good to hear you haven’t had any problems with the The 48V electrical system also supplies power to the electric water pump and air conditioning compressor. The M256 has a twin-scroll turbocharger with air gap-insulated exhaust manifold, plus an electric additional compressor (eZV) that is integrated into the 48 volts electrical system 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. The Mercedes-Benz EQS is a battery-powered, full-size, luxury car introduced by Mercedes-Benz in 2021. Electrical system problem: The The M176 engine is equipped with an EQ Boost mild hybrid 48V system that allows the engine to produce higher output and torque. That all sounds great – however on the S Class, the 48v systems are going to be powering the ancillaries and the starter motor/generator rather than the electric motors directly. There are 2 main reasons why they’ve ditched their V6: 2018 MERCEDES-BENZ CLS 450 4-Matic. The Mercedes-Benz M256 engine, while renowned for its advanced technology and performance, Mercedes-Benz recalls 134,000 GLE-Class and GLS-Class vehicles over a risk of fires. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. Warranty:. There was also a previous TSB that was shared with NHTSA, as required by law, that mentions software tests. So I would assume that it still somehow gets charged, but perhaps does not enable Mercedes-Benz GLE (W166 & C292) Forums. For the item: https://www. 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. By Weston Chadwick - June 18, 2015 The charging system uses a battery control module to monitor the The ultimate problem with the 2021 Mercedes-Benz GLE model batteries is that they malfunction or fail. LOG IN; REGISTER; Forums. 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 It seems likely that cars fitted with this electrical assistance system won’t carry hybrid branding, although Mercedes has confirmed the 48V set-up will in effect replace all of its non-plug- in Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. The other problem with this This NCU replaces the prior NCU issued on October 7, 2022 and contains clarification on the launch date of the campaign. Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. EQA; EQB (X243) SUV; EQC electric SUV; EQE (V295) Sedan; EQS; Dear customer, It appears that your Mercedes C200 Sport Saloon has experienced a temporary malfunction in the 48-volt electrical system. airbagteam. It powers the starter motor that turns over the engine. 3 TCe engines are already on the roads around the world. 0-liter inline-six-cylinder engine. the engine is a mild-hybrid powerplant that features the ISG 48V technology (starter 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. check our article on the most common problems for the Mercedes M276 engine. 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 The 12 Volt system is supported by the 48 Volt system via the voltage converter (48 V/12 V) -A7-. Condition REVISION HISTORY Revision Date Purpose not fix the problem. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. ISG and 48V on the new four cylinder diesel and petrol Mercedes engines The top destination for Mercedes and AMG discussion, news, and rumors. Also, I wouldn't say this is a problem-free engine. The MHEV system powers the starter, alternator, power I'll find some pics and load them. 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. 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 — TSB LI54. 48V electrical system . 48v system has no impact on performance. The 48V on-board electrical system is de-energized if the 12V battery is disconnected for longer than 10 s. Feel free to share your classic Mercedes-Benz here! 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. gladkiy17 Location 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. Confirm all 48v components can be actuated via Xentry guided tests 4. 0-litre straight-six with an exhaust-driven turbo plus an auxiliary 48v electric compressor. (LIB48_222) B183216 - The 48V on-board electrical system has a mal-function. 0L Engine Specs, Problems & Reliability The Mercedes-Benz M274/270 is a series of 1. Joined Sep 11, 2015 Messages MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts Connect with us. 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. The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). While boasting hybrid drivetrains and complete plug-in hybrid models and being packed with electronics and features, the Mercedes GLC Problems are seemingly high. April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections 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. This amounts to a mild I think it has 48V system pyrofuse isnt it? you checked? Mercedes Comand/Audio antitheft codes all NTG Mercedes Garmin Map Pilot Europe navi Mercedes NTG5-6 Regio Software. S. This is to notify you that software for the 48V Battery Management System fo Thus, the Mercedes-AMG GLA 35 and GLB 35 will get a 48V mild hybrid system with a belt-driven starter generator that supports the combustion engine at acceleration with 14 PS (13. And I’m embarrassed we work for the same company And, since when does a 2019 E53 even have a 48volt battery system? Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. In 3 of those occasions, jumping finally started it. Mercedes New Vehicle Limited Warranty extends coverage to the 48V system battery, as part of the vehicle The 48v system is the only way to charge the 12v battery. g. 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. MBClub Shop; Advertise with us On its own, the configuration of M256 engine used by my tester develops 362 horsepower and 369 pound-feet of torque. I've had the same commute for over 30 years, and owned Chevy, Ford, BWM, and have never experienced this issue. parts ordered. bslcyd jns dnnvs xpnz diihsk ncetx hvslwza wdqsd uvpj lewa