48v battery mercedes warning light May 31, 2022 · 2003 sl55 battery warning light on dash. Can't really find much info on it in the manual. Has a battery warning light illuminated on your Mercedes-Benz dashboard? Learn more about what it means and what to do from our Riverside service center. A new battery was shipped from Mercedes. . Definitely a good idea to take the car in. Note: this fault code may include additional 48V system consequential faults although B1873371 is the primary root cause. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. Nov 10, 2024 · Electrical Issues: Flickering lights or malfunctioning electronics often signal battery problems. It will reset after the car is turned off, and may not come on for a couple of days, but eventually it does. A well-maintained battery ensures reliable vehicle performance and longevity. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. the srs airbag Oct 29, 2022 · My wife was 80 miles away from home and upon starting my car was faced with a 48V Battery warning on the driver console and told to consult owners manual. Believe the battery was original fit, so I got about 6 years before replacement. 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. Update DC/DC converter N83/1 if later software is available. Your Mercedes is a highly electronically saturated car and it has dozens of control modules. Problem went away. The alternator converts mechanical energy from the engine to electricity that not only powers all the on-board accessories, but also charges the battery. I am concern could there be issue with the battery. However this week, with just a one-year old battery, the warning light is back. These cars should be recalled, but Mercedes seems to be taking a workaround. Reply reply Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. 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. Last year got the noted critical battery warning light. Faulty alternator is the leading cause of red battery light illuminating in C-Class. The BMS cannot be reset or reprogrammed with conventional scan tools. Nov 6, 2023 · Joined Aug 7, 2005 Messages 23,816 Location Shropshire Car R129 SL500, W639 Vito 120, S205 C300 Oct 12, 2024 · Charging your Mercedes-Benz battery is essential for several reasons. Both batteries are new Alternator is charging both batteries Warning pops up - Answered by a verified Mercedes Mechanic. Jun 26, 2022 · How to reset the battery light Fix the issue. The generic Master Warning Light (orange triangle + exclamation mark) is referred to here 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. Dashboard Warning Light: The battery warning Jun 3, 2023 · Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. Mar 17, 2024 · 2021 GLS 450 Mercedes Benz within several days of purchasing in late Fall 2021, while in motion at 65MPH or more, the vehicle suddenly flashed all kinds of malfunction warnings (the entire dashboard was lit up w every system “warning”) including 48V battery code, within seconds the car shut down while driving on the highway, no power steering, no brakes, no anything – nearly lost our Had the 12v battery issue at less than 1000 miles. Common Signs of Battery Issues. Slow Engine Crank: If your engine cranks slowly, it signals a weak battery. After about 4 days in the shop the dealer replaced the battery. Managed to get home without any further issues. 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 Customer: I have a 2022 Mercedes GLS 450 it has 17000 miles on it. check user manual. Dear customer, It appears that your Mercedes C200 Sport Saloon has experienced a temporary malfunction in the 48-volt electrical system. This sounds like it could be related to a battery failure. MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. Very sad to pay $80,000 for a new car, and not be able to use the vehicle for an unknown period of time. a. Age of the Battery: Typical battery life is about 3 to 5 years. Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). Oct 17, 2023 · Hi there, i just wondered if anyone has any ideas on a c class 2016 model that the Issue with battery warning light coming up on the dash sometimes you start the car for the first time, but goes if you use it again in the same day. Apr 28, 2023 · What Are the Warning Signs of 48V Battery Problems? Owners report that early warning signs of battery problems include warning lights or an error code on the dashboard. If yours is approaching this age, consider a replacement. Resetting the battery light in GLS without solving the underlying issue may not help, as the warning light will turn back on when the system again detects the fault. Warning Light: If the battery warning light on your dashboard illuminates, address it immediately. i have charged up the main car battery and this is all good and I find it hard to accept. Last week a battery warning came on the sash saying 48v and on my screen it said my car would shut down in 3 mins. Now 2 months later at 2700 miles I am dealing with all of the warning and message lights coming on at one start up (cleared itself after two restarts) and HUD disappearing while I drive. try not to listen to music dont turn on ur headlights if ur not in a mass need for them! because when ur battery is about to drain, everything stops functioning in the car. Jul 24, 2018 · Wondering if anyone has an update to this or more information. Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. Dec 24, 2021 · A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. Initially, it was mentioned that the sensor module of the hybrid/high-voltage battery had a malfunction, it was suspected to be an internal electric fault. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. Any brother have this issue before for W205? Appreciate of you can sh fault code: B1873371 The battery for 48V on-board electrical system has a malfunction. Jul 8, 2022 · Although the Owner's Manual for current i20 models omits any mention of the "Check 48V System" warning, I notice that it's in the Manual for a 2018 Hyundai Tucson as shown in the attachment below. But based on comments on mbworld. Dec 30, 2017 · Hi bro’s found out the Battery Warning lighted up and asked me to start engine when I start the car this morning. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. This can happen especially in cold weather. Cause 3/5: Red battery light or check engine light without fault B1873371 Cause 4/5: Battery Not found in Quick 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”. Towed the car over to the local dealership. Car was three years old and battery was indeed drained, so thought it must just be time for a new battery. I have a 2018 GLC300. Apr 28, 2017 · Recently, a red battery symbol has been popping up on my display. It does not come on all of the time, but it has been on 3 times in the last three weeks. This could potentially mask other issues. Some owners have even cautioned extended use of the MB app citing potential cause of additional battery drain. Aug 13, 2024 · The “48v battery see owners manual” warning in a Mercedes C200 W205 can be triggered by various factors, but a thorough diagnostic check and careful inspection of the 48V battery can lead to a successful resolution. Replace only 48V battery (regardless of other faults) ii. yes its safe to drive home but with saving power as much as u can. Jan 10, 2024 · Here are the most common reasons why your battery triggers warning lights and messages in your vehicle: there are issues with control modules that control the batteries and charging. Many people have had to have multiple battery replacements due to repeated failures. first to respond for ur answer. Jan 24, 2021 · This 48v battery located in the trunk, is unique to the 2021 model year, and apparently no spare parts are available especially critical parts needed to for the operation of the vehicle. I followed and it doesnt pop out any more. May 7, 2024 · Mercedes Battery Drain Failures On July 1, 2022, Lieff Cabraser and co-counsel filed a federal automotive defect lawsuit in Georgia district court against Mercedes-Benz USA LLC and Daimler AG alleging breach of warranty, violation of state and federal consumer fraud laws, fraudulent Mar 28, 2010 · don't even think of changing your alternator! I suffered from the same problem couples of weeks ago. Never used the GLC START/STOP functionality. 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 light should disappear automatically after fixing the issue. The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. The actuator is blocked. Switching the car off and restarting seems to have cleared it. This system is crucial to a number of functions, including the mild-hybrid capabilities of the vehicle. Aug 27, 2022 · 1. 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48v battery mercedes warning light. I have a 2018 GLC300.
