Mercedes 48v system problems . But still, the system may fail because of the problems with control units. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. Mercedes-Benz refers to this engine-free coasting as “sailing. 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. 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. 0-liter inline-6-cylinder engine. 5 Ohm load resistance = 4. Disconnect 12V battery more than 10 minutes for hard reset 48V system 01-28-2020 6:45 PM RUTHERE Sep 13, 2021 · This system also allows the powertrain to shut down under certain driving conditions in “Eco” mode to help improve fuel economy. Published: 31 Jul 2023, 15:00 UTC • By: Mircea Panait. Less than 3 months and a few thousand miles later I had the exact same problem. An Arizona owner labels the CLS “dangerous. It's not used for all-electric driving. 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. Go Back: Problems for all Mercedes models. ” Aug 23, 2023 · 3. Apr 1, 2024 · April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections under the passenger seats may catch fire. That was a GLC 300. 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. 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. K. It's used for efficient start-stop system operation and also for a little help when accelerating. It has a relay that turns off the battery when the voltage drops. 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. To ensure the vehicle will start, drive 30-60 miles, or connect to a battery charger". 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. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. does not strike me as a big problem considering how many cars have this system. Learn About Our Partnership With ACCESS Shelter Nov 22, 2021 · On its own, the configuration of M256 engine used by my tester develops 362 horsepower and 369 pound-feet of torque. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. 2 amps, or 4X Jul 31, 2023 · NHTSA Looks Into Alleged 48V System Defect Affecting the 2023 Mercedes-Benz GLC 300. However, my dealer did let slip that I’m not the only one. 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. 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. 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. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling advanced functionalities such as the ISG to operate effectively. BGS 48V system problem. 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. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild-hybrid vehicles. The 48V electrical system also supplies power to the electric water pump and air conditioning compressor. 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. 2. 110 being sold throughout the U. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. 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 This option became available, thanks to a 48V on-board electrical system. 8 amps 48-volts/2. 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. ” This capability brings EQ Boost closer to full hybrid technology compared to other light-hybrid offerings on the market. 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. Further power is added by the EQ Boost system, which uses electricity to spice 48V Electrical System. Apr 28, 2023 · Mercedes-Benz has been experiencing an increase in the number of complaints with their 48V battery system. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. I am a low mileage driver, daily commute is around 10 miles. 12-volts/2. One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. ALL testing of the ISG must be performed through the XENTRY Diagnosis System. This is the mild-hybrid engine with a small additional high-voltage battery pack. It might interest you to know that the Mercedes-Benz EQS is among the electric cars with extra high ceilings. 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. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. Confirm all 48v components can be actuated via Xentry guided tests 4. This amounts to a mild According to the Mercedes-Benz Workshop Information System document SN00. Aug 13, 2024 · Here are some key points about the 48V battery system in Mercedes: 1. 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. Confirm completed guided test(s) for every fault code--not just 48v 5. ” 2020 Mercedes-Benz CLS Battery Problems. They had my car for 5 days, sanded our the pain and reattached it all then said it was fine. While boasting hybrid drivetrains and complete plug-in hybrid models and being packed with electronics and features, the Mercedes GLC Problems are seemingly high. One describes multiple defects and another focuses on a vehicle speed control problem. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. 5 Ohm load resistance = 19. 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”. Designs vary from model to model, but the 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. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Apr 5, 2021 · (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. 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. Every car just has a different problem, it’s really difficult to pin down. Jul 26, 2023 · A total of 4 complaints are either specifically about battery failure or mention defective batteries. Also, I see that a 12v charger might charge 48v through a converter, but no 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. 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. Mercedes says ground connections can overheat Starter Generator) is the heart of the 48V system. I get a recurring warning alert "the starter battery charge status is very low. 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. vvbpd pkcr kbac tqw lcggqhof ccms hhbkkp qdp wsbi gkkfp