Mercedes 48v system problems. That adds complications.

Mercedes 48v system problems But still, the system may fail because of the problems with control units. Nov 6, 2023 · Joined Aug 7, 2005 Messages 23,816 Location Shropshire Car R129 SL500, W639 Vito 120, S205 C300 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. 361) Engine: 256. 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. 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. However, my dealer did let slip that I’m not the only one. In fact, this system makes any Mercedes-Benz equipped with EQ Boost a mild hybrid. The M264 1. They are equipped with a belt-driven starter-alternator (BSA) and a 48V electric water pump by Magna. The engine was then upgraded with increased production of 496 HP. Dec 16, 2022 · Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system. The I6 now provides 380-lb/ft, 420 HP. They represent problems in 22 of the United States Department of Transportation’s National Highway Traffic Safety Administration’s (NHTSA) complaint categories. I received a message stating “vehicle cannot be started due to a technical Oct 7, 2022 · Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year ("MY") 2021 GLE/GLS-Class, E-Class, E-Class Coupe/Convertible, CLS-Class and AMG GT (167, 213, 238, 257 and 290 platforms) vehicles, the 48V battery management system software might not meet specifications which could potentially • While diagnosing the 48V system ensure the 48V and 12V battery are charged properly prior to following the procedure, please refer to TSB 2067906: 27 48V Reference: Charging 48V Battery with 12V Charger DTC P0A7D00. To ensure the vehicle will start, drive 30-60 miles, or connect to a battery charger". M256 Engine Mercedes. Jun 11, 2022 · The 12 volt battery is a vital component of the starting system in Mercedes-Benz C-Class. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. An Arizona owner labels the CLS “dangerous. However, minor you might think your problems are, if your Mercedes Benz GLS has problems that make you think it’s a lemon, do something about it. 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. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. ALL testing of the ISG must be performed through the XENTRY Diagnosis System. 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 Jun 24, 2019 · I'll find some pics and load them. K. Unless you’re a professional, do not attempt DIY. 5. The light goes on randomly while I’m driving. ” This capability brings EQ Boost closer to full hybrid technology compared to other light-hybrid offerings on the market. 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. The belt starter/generator (“BSG”) output 48v, nominally. Jun 28, 2021 · One problem related to 12v/24v/48v battery has been reported for the 2021 Jeep Grand Cherokee. Sep 13, 2022 · Hi all I'm working on a 2020 W167 GLE AMG (167. Note: this fault code may include additional 48V system consequential faults although B183371 is the primary root cause. My 2020 e53 had a 48v batt issue. As a result, the 12 Volt system is only de-energised when the 48 Volt system has previously been de-energised. This system was installed to GLS 580 4MATIC and GLE 580 4MATIC. With so many electronic components, things go wrong and could end up draining one of the batteries. Confirm all 48v components can be actuated via Xentry guided tests 4. Overall so far statistically the EV models have less major problems than the ICE ones ever had. C. 5 De-energising 48 Volt system-Vehicle diagnostic tester is used to de-energise 48 Volt sys‐ tem. Some of the technology is, more or less, new. B183371 the battery for 48V onboard electrical system has malfunction. Ideally upgrade to a C300 as it uses the same engine as the earlier C200 2. 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 May 21, 2024 · Here’s What’s Included in the Mercedes 48V Cable Recall. One describes multiple defects and another focuses on a vehicle speed control problem. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. de energized 48v system. Unfortunately, the 48V batteries in the 2020 Mercedes-Benz GLE Class can malfunction. They upgraded software, but could not find a reason for the problem. 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. The actuator is blocked. Mar 27, 2022 · 💥Диагностика стартерной АКБ 48 вольт Мерседес w213 и cпособ ее решения с помощью DTS Monaco 8. It requires 48V operating voltage. The touchscreen went out while I was driving on the highway and I couldn’t access the heating controls to defrost my windows. The actuator is blocked problem has been solved, crash has been removed, thank you for all guys Thanks for pitpol for his support. Looking at a 2022 E53 AMG that seems like a very good deal. Go Back: Problems for all Mercedes models. Meanwhile, you can also explore some problems with Mercedes SUVs. The one engine complaint that isn’t included in an electrical system problem, does relate to loss of power. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. Dec 23, 2023 · 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. Mercedes-Benz refers to this engine-free coasting as “sailing. 0-liter inline-six-cylinder engine. 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. Hope this information helps for someone with similar failure Jun 6, 2023 · This detonation may also cause problems with quite tender parts of the engine. 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. 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 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. Turned out to be a loose Jul 26, 2023 · The TSB is posted on the NHTSA website as a guide to dealerships who have consumers complaining about 48V battery problems. 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. S. makes a strong first impression. fuel injection, pump, aircon compressor) like an old-fashioned car. 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 I find it hard to accept. the diagnostic code was sent over to Mercedes for analysis, we got feedback that a software update was required. Your GLA seems to go between a battery drain to a power surge (with the fan). Less than 3 months and a few thousand miles later I had the exact same problem. TSB LI54. The Mercedes-Benz M256 engine, while renowned for its advanced technology and performance, isn’t without its challenges. 12-volts/2. Jun 30, 2021 · Mercedes-Benz EQ Boost is a 48-volt on-board electrification system, according to Daimler AG. Allows the use of all 48V components in a vehicle Allows the use of hybrid-like vehicle features Increases engine power by eliminating the alternator Increases the size of a vehicle battery Mar 20, 2023 · 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. Save Share Reply Quote Like. Like any sophisticated powertrain, the M256 has encountered some issues that owners and potential buyers should be This option became available, thanks to a 48V on-board electrical system. 0l unit which were more refined and get roughly the same mpg and loss of acceleration with fault code: B183371 The battery for 48V on-board electrical system has a malfunction. Hence, it provides an all-round level of control. I for example had 0 issues with my EV mercedes and a shitton with my ICE ones (from brand new). 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. . Jan 31, 2024 · It is merely supplied by a 48V/12V DC/DC converter instead of by a 12V alternator. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. The normal 12V system will still handle the standard bits and pieces that keep the motor running (e. 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. General Pros and Cons of the Mercedes 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. The 48V on-board electrical system is de-energized if the 12V battery is disconnected for longer than 10 s. May 7, 2015 · Its quite a rough, diesel like engine. This could potentially mask other issues. At the heart of the new Mercedes-AMG E 53 models is the electrified AMG-enhanced 3. It keeps the vehicle level constant, no matter what. I get a recurring warning alert "the starter battery charge status is very low. Dec 5, 2021 · A new battery was shipped from Mercedes. Applications of Mercedes M176 Engine: 2015 – 2018 Mercedes-Benz G 500/G 550 Sep 28, 2020 · Furthermore, the development of E-ACTIVE BODY CONTROL is totally inhouse. Jun 6, 2023 · Mercedes New Vehicle Limited Warranty extends coverage to the 48V system battery, as part of the vehicle emission control system: BATTERY COVERAGE: Mercedes-Benz USA, LLC (“MBUSA”) warrants the high voltage battery in your vehicle to the original and each subsequent owner for any repairs or replacements necessary to correct defects in One of these is the 48-volt hybrid system for vehicles equipped with an internal combustion engine. I’ve brought it to dealer twice. Aug 24, 2017 · 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. anytime soon. 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. 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. ” 2020 Mercedes-Benz CLS Battery Problems. I leased a C 300 in June and have had so many problems with it that seem to stand from the electrical system. 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. A total of 4 are seen as engine problems and there are also 2 complaints about the powertrain. Oct 17, 2020 · Hi, I had the same problem with 2016 GLE 450 AMG, (bought new from the dealer) The first week I received it the car would completely shutdown I would have to open the door in order to restart it, for 4 years I had nothing but problem after problem, mostly electrical. The icon on the dash is the 48V battery charge level, there is no readout visible for the 12V battery system charge level. Intake valves buildup problems. As a result, the new models of the C-Class family offer even better driving dynamics while at the same time consuming much less fuel and this comes from the new four-cylinder engines which are available as mild hybrids. Dec 13, 2019 · Mercedes GLE450’s new turbocharged 3. May also have fault B183371; Internal 48V battery Peltier cooling element failure causes fault B183397; This will Always have fault code B183371 but different from cause 2 and 3 -- it will Not have B183349, B183319, or any other faults in the What is a benefit of using a 48V system in Mercedes-Benz vehicles? Please select the right answer. 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. There is a short circuit to ground or an open circuit. In the efforts toward complete lineup electrification, Mercedes-Benz added an electrified boost with some additional torque. 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. 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. does not strike me as a big problem considering how many cars have this system. One more bad thing it can cause is the premature death of your catalytic converter. They had my car for 5 days, sanded our the pain and reattached it all then said it was fine. There are different types of 48-volt systems which enable a wide variety of different vehicle functions, from boosting engine performance to supplying the growing number of electrical consumers to powering functions such as parking aids. Mar 12, 2018 · A 48-volt mild-hybrid system will be the answer to many of our immediate and long-term goals. saying (what German engineering always contained over complex vehicles that also have issues. Jun 3, 2024 · Mercedes will mail recall letters July 23, 2024, and dealerships will update the battery management system software. 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. removed and replaced starter generator. Mar 5, 2023 · A review of the MB internet forums shows this problem is pervasive in Mercedes models that use the 48V batteries and I believe this is extremely dangerous – if I hadn’t already been aware of the issue from the previous failure, I wouldn’t have known to exit the interstate before the car failed and could easily have been badly injured or Sep 25, 2017 · Welcome to the GLA Forum keyur. The 48-volt system, as the outlet reports, will appear on the 2018 Mercedes-Benz S-Class. You have techs (and suppliers) that may not be completely familiar with all the ins and outs of such a system. I delayed it since I wasn't ready since it might cause problems. It´s just random. This is an older thread, you may not receive a response, and could be reviving an old thread. 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 Dec 14, 2022 · May also have fault B183371; Hardware short circuit in 48V system causes fault B183319 in 48V battery. Cause 3/6: Red battery light or check engine light without fault B183371 May 21, 2022 · How does the Mercedes-Benz mild hybrid technology work? The mild hybrid technology electrifies combustion engines. 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. Nov 29, 2016 · The 48v system is the only way to charge the 12v battery. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. 0L inline gasoline engine with EQ Boost and intelligent forced induction. "b200096: faulty control module active/static storrd in starter/generator control module and u046900: invalid data received from grnerator control module static in ecm. It's used for efficient start-stop system operation and also for a little help when accelerating. This amounts to a mild According to the Mercedes-Benz Workshop Information System document SN00. Aug 29, 2024 · M256 Engine Mercedes. 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. Fortunately, this seems to correctly solve many of the overheating problems and engine lights that M256 drivers are experiencing. 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. (LIB48_222) B183216 - The 48V on-board electrical system has a mal-function. While boasting hybrid drivetrains and complete plug-in hybrid models and being packed with electronics and features, the Mercedes GLC Problems are seemingly high. 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 : 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. parts ordered. However, it won’t reach the U. During one episode I tried to start it remotely. Jul 26, 2023 · A total of 4 complaints are either specifically about battery failure or mention defective batteries. The 48V EQ Boost mild-hybrid system that includes a 0. 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. 8 amps 48-volts/2. 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. 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. Diagnose the problem here. Eine Spezialtruppe soll den Schaden begrenzen. Bosch verspricht Besserung. May 29, 2023 · Among the many complaints about the 2020 Mercedes GLE Class, the biggest is regarding the electrical system. It might interest you to know that the Mercedes-Benz EQS is among the electric cars with extra high ceilings. What to do if Your 2021 Mercedes Benz GLS is a Lemon? Your Lemon Rights. AIRMATIC air suspension system is the base of this suspension system. 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. BGS 48V system problem. 000 Fahrzeuge nicht produzieren. Jul 2, 2022 · The 12-volt battery drains while parked, and the plaintiffs claim Mercedes has tried to repair the problems by issuing these technical service bulletins. There have been an astonishing 31 complaints and an equal number of recalls for the 2020 Mercedes-Benz GLE-Class SUVs. 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. This is to notify you that software for the 48V Battery Management System fo Oct 7, 2022 · — TSB LI54. 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 the 12V AGM battery (or external 12V charger) to Oct 18, 2022 · Dashboard lit up as usual, but engine would not turn over. 5 - 1kWh) is added to feed the 48V on-board electrical 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. “The 2020 Mercedes CLS has a known defect in their 48V system that turns the engine off in locations with high heat zones. ” Aug 23, 2023 · 3. 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. 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. ISG and 48V on the new four cylinder diesel and petrol Mercedes engines Jul 26, 2023 · Of these, 7 are listed as electrical system problems and 6 as fuel/propulsion system issues. To fix either one of these problems at the dealership, you will spend between $9,000 to $12,000. 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. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. Apr 28, 2023 · Mercedes-Benz has been experiencing an increase in the number of complaints with their 48V battery system. They also have improved intake manifold with short air paths in the interests of high power output and spontaneous engine response. Sep 20, 2022 · 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. Confirm completed guided test(s) for every fault code--not just 48v 5. Click on other model year to view more problems: 2021 But based on comments on mbworld. Feb 10, 2022 · Mercedes 48v system has the same problems . Jul 19, 2017 · 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 Jul 26, 2023 · We are looking at these problems together because 5 of the electrical system problems in NHTSA complaints link to engine problems. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Aug 21, 2024 · Mercedes Starts and Shuts Off Quickly: Case Study in a Mercedes C-Class 48V EQ Boost. 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. It has a 900-WH 48V lithium battery. So, in effect, all these problems are related and there are a total of 11 altogether. Demonstration of Mercedes 48V hybrid battery testing reprogramming kit. 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 Aug 13, 2024 · Here are some key points about the 48V battery system in Mercedes: 1. 0L inline 6-cyl. 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. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. Inspect Physical layers (grounds, DC/DC to 48v battery connector, etc) 3. 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. Performing the function test “C29 – Check_Erase” and attach to the test plan: ODIS path for Q7: • Body B183214 - The 48V on-board electrical system has a mal-function. While you may be familiar with the brand’s lineup of all-electric vehicles, there’s another type of technology that’s adding both performance and efficiency to traditional models. The limit value for electrical voltage has not be-en attained. Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). The direct injection system is not really problem-free. 2. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling advanced functionalities such as the ISG to operate effectively. 2. It seems that 90+% of the reports I found were in the USA, but non the less it spooked me, because it seems to be out of Nov 4, 2023 · Wegen fehlender Bauteile von Bosch kann Mercedes 100. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. 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 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. M256 Engine Mercedes 3. The top destination for Mercedes and AMG discussion, news, and rumors Sep 18, 2021 · The M176 engine is equipped with an EQ Boost mild hybrid 48V system that allows the engine to produce higher output and torque. restarted 48v system and performed replacement test plan" Figure 4: Components and topology in a dual 12V-48V on-board electrical system Why a 48V system? A 48V system is viewed by Mercedes-Benz as representing the best option for tapping considerable savings potential and realizing comfort in a transitional step between a 12V and a high-voltage system. g. The MHEV system powers the starter, alternator, power steer The newer models, especially those with the mild hybrid system, are expected to be more reliable due to continuous improvements and refinements in technology. 0-liter inline-6-cylinder engine. 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). After waiting ten or fifteen minutes it started as usual. The Mercedes GLE suffers from uncomfortable base trim seats, DPF failure, poor-performing headlights, lurching forward when stopped, exhaust drone, and collision 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. Oct 23, 2023 · However, this is a bit more technical and intricate and so, it requires the hand of a professional because it needs so much rewiring and reprogramming of the vehicle’s electric system. Common Problems with the M256 Engine. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Literally just had the car in a few months ago for a routine check/oil change and not a single warning. 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. Electrical system problem: The battery is damaged, the battery terminals are poorly connected, the ignition system is faulty, the gear lever position is not set correctly, and the ignition system is faulty,… Technical problems: the car is out of fuel, the connected devices, the relay or the fuel injection system fault, faulty fuel pump system… B183214 The 48V on-board electrical system has a malfunction. Feb 23, 2022 · Faults are there : B183349 the battery for 48V onboard electrical system has malfunction. 2 amps, or 4X 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. Please also check out the statistics and reliability analysis of the 2021 Jeep Grand Cherokee based on all problems reported for the 2021 Grand Aug 30, 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. 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”. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. There is 1 complaint each about seats, steering, and another listed in the Unknown or Other category. 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. the 2023 Mercedes GLC300 48V Jun 18, 2015 · 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. The 48V electrical system also supplies power to the electric water pump and air conditioning compressor. That was a GLC 300. (LIB48_222) N83/1 - DC/DC converter (DDW) (DCDC48_222) B183216 The 48V on-board electrical system has a malfunction. These cars should be recalled, but Mercedes seems to be taking a workaround. The limit value for electrical voltage has not been attained. Oct 15, 2023 · Most Common Problems. Mercedes-Benz remains at the forefront of pioneering industry-leading electrification technology. As per the petitioner, the 48-volt setup Starter Generator) is the heart of the 48V system. kfequipment. (LIB48_222) N83/1 - DC/DC converter (DDW) (DCDC48_222) Apr 27, 2023 · The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). On top of that, a small 48V battery (~0. (LIB48_222) B183217 - The 48V on-board electrical system has a mal-function. April 1, 2024 — About 134,000 Mercedes-Benz vehicles are recalled because the 48-volt ground connections Apr 5, 2021 · (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. This happens after 24 hours and a long drive. Sep 13, 2021 · This system also allows the powertrain to shut down under certain driving conditions in “Eco” mode to help improve fuel economy. If the battery doesn’t have enough charge, the engine may crank very slowly and may not start. 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 Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. That adds complications. May 8, 2023 · Mercedes-Benz 2022-2023 sedan recall. The popular Mercedes-Benz C-Class will receive some changes for the 2019 model year, the current 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. It's not used for all-electric driving. An overview of Mercedes-Benz GLE battery problems. 110 being sold throughout the U. I am a low mileage driver, daily commute is around 10 miles. Sorry to hear about your problems, I believe they are a first here as you have reported them. An additional patch was also sent from Mercedes to fix the problem, there was no need to swap for a newer battery. Reply reply Sep 23, 2019 · According to Mercedes this is normal, no problem found. 0L engines are combined with 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. However, issues with the hybrid battery can arise, leading to malfunctions and other problems. It could well be more than software, however, there might be a system short at some point in a two-year old GLA. 9-kWh lithium-ion battery dials in an extra 21 hp Aug 1, 2023 · The National Highway Traffic Safety Administration has received a petition to open an investigation into alleged problems with 2023 Mercedes-Benz GLC300 vehicles. suspect faulty starter generstor. For the item: https://www. May 19, 2024 · 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. I was hoping it would fix the lack of You forgot your phone. Mercedes-Benz owners may call 800-367-6372. Apr 1, 2024 · Mercedes-Benz recalls 134,000 GLE-Class and GLS-Class vehicles over a risk of fires. 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. There is a short circuit to ground or an open cir-cuit. Jul 26, 2023 · The battery problem complaint is filed on the NHTSA website under 2 categories, Electrical System and Engine. The most recently reported issues are listed below. 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. " May 21, 2022 · The 12 Volt system is supported by the 48 Volt system via the voltage converter (48 V/12 V) -A7-. Designs vary from model to model, but the Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. 5L and 2. It powers the starter motor that turns over the engine. Some things are 48v, some things are 12v. There is internal electrical fault. Mostly, they are related to the 48V batteries the automaker used. 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. 5 Ohm load resistance = 19. " Per Mercedes-Benz vehicle-specific repair information, Notes On Battery: "A 48V connector may only be unplugged in de-energized state. Everything that has to do with Mercedes Benz, Tuning and most importantly, keeping these cars on the road. This is the mild-hybrid engine with a small additional high-voltage battery pack. Its replacement will cost you a fortune. It has a relay that turns off the battery when the voltage drops. 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. 5 Ohm load resistance = 4. 47-P-069817 Mar 28, 2022 · Unfortunately, the only solution offered by Mercedes is to drive back to the dealership and upgrade the 48v light hybrid system through the CPU. 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. com/products/w212-w221-hv-hybrid-battery-testing May 14, 2023 · 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 even during movement. Nov 25, 2024 · Hybrid Mercedes-Benz Common Problems. Jul 31, 2023 · More specifically, the Office of Defects Investigation is currently looking into an alleged defect involving the mild-hybrid system of the vehicle. 8 HP). 3. May 23, 2020 · 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. Some common Mercedes-Benz battery problems in the GLE model include: Shortened battery life due to frequent short trips or infrequent driving 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. On the other hand, the lower voltage makes complex and therefore expensive high-voltage protection requirements and cable harnesses unnecessary. Increasing power requirements can negatively impact Mar 21, 2024 · 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 The quick summary is that the 12V MHEV system is a dumbed-down version of the 48V MHEV system in most other Audis. Further power is added by the EQ Boost system, which uses electricity to spice 48V Electrical System. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. The important part is how they handle this. Spread the word. Lastly, a DC/DC converter supplies the 12V on-board electrical system. 15-P-070802 TSB LI42. Every car just has a different problem, it’s really difficult to pin down. 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. Oct 14, 2022 · This NCU replaces the prior NCU issued on October 7, 2022 and contains clarification on the launch date of the campaign. I think the Mercedes and Audi have three main issues: It’s not a fully 48v system. May 26, 2020 · 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. So, you can increase or decrease the level of the vehicle. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild-hybrid vehicles. srfn uliuzt wibhe fsl bktx stwp qbva wznf sqgi trlej