Mercedes 48v battery problems symptoms. 6 volts or so depending upon age and condition).

Mercedes 48v battery problems symptoms July 2, 2022 — A Mercedes battery drain lawsuit alleges defective electrical systems leave drivers The top destination for Mercedes and AMG discussion, news, and rumors Nov 29, 2016 · The belt starter/generator (“BSG”) output 48v, nominally. I see a lemon law coming. Car had 1216 miles when the stop driving immediately warning came on the screen. 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. 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 hassle for the dealership is that even if the car gives you this message, if the technician tests the battery with the Mercedes required battery tester and it says charge or pass, we cannot replace the battery. To function properly, the battery sensor must be clean and dry, and the pole terminal must be tight. To successfully repair the Mercedes Benz 48V hybrid battery, you will need either CG100X or CG100 Prog 3 programmer. Mar 22, 2023 · March 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. Verify the following connections are clean and tight. The AUX battery is mainly a backup for SBC brakes (no AUX battery on the face lift that does not have SBC brakes). Towed the car over to the local dealership. If you are looking to replace the secondary battery yourself, you need to know where to look. It has a relay that turns off the battery when the voltage drops. One of the key features of the Mercedes mild hybrid system is its utilization of a 48V electrical system. Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. Cause 6/6: B183319 in 48V battery - hardware short circuit in 48V system Remedy: Preliminary measures NOTE: It is imperative to document each one of these steps in detail. Many owners of the GLC had to replace their 48V battery, which wouldn’t last long; some had to replace it again in under a year. Cause 5/6: Fault B183301 in DC/DC or B183349 in 48V battery. Mercedes requires us to open a technical support ticket which can take anywhere from 2-10 days for them to respond to in order to Oct 27, 2021 · In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. Every car just has a different problem, it’s really difficult to pin down. Mar 25, 2024 · Mercedes-Benz AG started looking into the described issue back in June 2022 due to multiple field reports alleging battery-related warnings. Fault code: B18339A. 167。 3. Cause 3/6: Red battery light or check engine light without fault B183371 Cause 4/6: Battery Not found in Quick Test. Day 2… Engine light, electronics issues. Mar 9, 2021 · The symptoms suggest there is something running the battery down. Can't wait till the battery dies. Its now at Dealer for second time for this problem with total of 15 days of trying to fix it. At first they quoted me £1,324 for replacement of the battery including labour and VAT. 4. After a jump, sometimes the accelerator feels sluggish and less responsive. Apr 5, 2021 · Replacing the 48v battery will solve the problem. 8 to 14. youcanic. This battery is separate from the main car battery and is responsible for supporting functions such as the start-stop system, interior lighting, and other auxiliary features. 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. C. There was a recall to add some strengthening to the battery containment - presume it is a heavy beast. 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. After driving for a while, it easily starts if started within few hours. I would honestly avoid forums on the 48V problems, no one outside of dealer techs has worked on them since they're all under warranty still. Nov 25, 2008 · Most Mercedes ecm engine computers will have to be programmed by the Mercedes dealership. The dealer replaced the battery when it got serviced recently. I need help fixing a 95M01 dump from a Mercedes 48V battery (LIB) after crashing and discharging. I recommend purchasing a Solar BA-5 battery tester. Common symptoms of Mercedes-Benz GLC battery drain. 10-P-071499 Date Announced: AUG 10, 2020 NHTSA ID: #10179956. We haven't seen them come back after replacing the DC/DC converter or 48V battery. Unlike traditional 12V systems, the 48V system allows for greater power delivery and efficiency, enabling advanced functionalities such as the ISG to operate effectively. It states that the Xentry battery Test doesn’t match the current state of the battery installed. B183371. There are lawyers considering a class action lawsuit over the 48v EQ system as used in multiple cars - because in a few cases the battery has failed while driving on the highway. Advertisement 4. Car now there six days without anything being done. 7 volts and a max of 4. Oct 19, 2023 · 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 Aug 1, 2023 · NHTSA Launches Probe Into Mercedes GLC 300 Over Alleged 48V System Fault. Dealer replaced starter battery. Please advise how I could remedy the problem if it is a voltage regulator, alternator or battery. The actuator is blocked problem has been solved, crash has been removed, thank you for all guys Thanks for pitpol for his support. B183304。 4. Oct 17, 2020 · I have had 4 occasions in last 3 months where 450 is dead after only sitting for an hour. 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 Sep 23, 2019 · According to Mercedes this is normal, no problem found. In 3 of those occasions, jumping finally started it. 5. It suggests what dealerships can do to overcome the problem. The message log still indicated a red battery but there was no battery indication on my display. Hello dear experts. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. The BMS cannot be reset or reprogrammed with conventional scan tools. 6 hours labour. 1 volts; when the relay opens the voltage will drop back down to the battery value (12. Nov 25, 2024 · The battery shown above has 35 cells—a nominal voltage of 3. kfequipment. 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. Returned two days later with same problem. Jun 11, 2022 · The most common symptoms of dead battery in Mercedes-Benz GLE are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. The average cost for a Mercedes-Benz GLS450 Battery Replacement is between $441 and $467. A 48V battery, commonly used in electric vehicles, solar power systems, and golf carts, requires careful inspection and testing to ensure optimal performance and reliability. Only Problem Sep 13, 2022 · Hi all I'm working on a 2020 W167 GLE AMG (167. 4 volts indicates a potential battery problem. 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. 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. The actuator is blocked. After a week of service, even on the low speed, the fan speed got quite high and the next day car refused to start, the battery went flat again. The name of the company I ordered 48V Electrical System. What is Mercedes-Benz 48V lithium battery? 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. I just grabbing the hope that this problem is only for first years cars like 2017-2020, because Audi already know the problem, so they might "fix" this in a new car. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Can't really find much info on it in the manual. 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. Here are some key points about the 48V battery system in Mercedes: 1. Even still, just because your battery isn't completely dead, doesn't mean it's operating at optimal levels. But I really don't know what to do 😰 Aug 1, 2021 · Many electrical problems, including issues with the battery current sensor can be caused by loose or corroded battery terminals or moisture/corrosion around the battery sensor. This is unfortunately quite common issue across entire Mercedes mo Feb 24, 2021 · I have a 2022 540i xdrive M sport with a probable bad 48 volt battery. 206. Labor costs are estimated between $53 and $67 while parts are typically priced around $647. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera-tion Dec 2, 2022 · Have brand new 2023 S500 Executive Series. There is a recent technical service bulletin (TSB) posted to the 2021 Mercedes-Benz GLE-Class page that addresses the battery issue. Mercedes monitored the field worldwide and found other incidents of the same problem. Even still, just because your battery isn't utterly dead, doesn't mean it's operating properly. The DC-DC converter is the only way to charge the 12v battery and ALL vehicle systems are natively 12v. Sep 25, 2017 · Since then I have had an intermittent problem with the battery as the car was not starting at times if I do not use the car for like 2 days. Purpose of the 48V Battery: Mild-Hybrid System: The 48V battery is primarily used in Mercedes’ mild Jul 31, 2023 · Approximately 8,000 units of the 2023 model year GLC 300 may be recalled in the United States market over a yet-unconfirmed problem with the mild-hybrid system Jun 3, 2023 · Just replaced the main battery on my July 2017 GLC250 4MATIC after getting the 'stop car, leave engine running' dash message. This must have fooled the battery tester at AutoZone and didn't present the classic bad battery symptoms I'm used to. 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. Back to Porsche Oct 15, 2023 · Battery TSBs. My E320 ecm quit working about six months ago so I bought one from a company online mercedes ecm for sale and mercedes auto ecm rebuild they flashed it and programmed the ecm so I was able to use the same immobilizer key. At that time, the German automaker hypothesized that an Mar 12, 2018 · The 48-volt setup, which works in parallel with the conventional 12-volt system, consists of a typically rear-mounted battery (albeit a much smaller one than a hybrid), an electric motor/generator Oct 8, 2020 · The Mercedes Me phone app does allow preconditioning the battery and interior which does help the winter range. Model: 223. Apr 28, 2017 · Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Many people have had to have multiple battery replacements due to repeated failures. This range does not include taxes and fees, and does not factor in your unique location. Managed to get home without any further issues. Get the car ready: To check the voltage of the battery, the engine of your Mercedes Benzmust always be turned off. Feb 5, 2023 · Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. Xentry Battery Tester results disagree with workshop assessment Read More » TSB # Jun 11, 2022 · The most common symptoms of dead battery in Mercedes-Benz S-Class are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. Who can help with this problem? What is needed for this? May 19, 2022 · Looking a buying a new small/mid size car and many are now mild hybrids, so a 48v battery for starting and assiting the drivetrain, plus a 12v conventional one for the ancillaries etc. Learn More #2: "Reduced Engine Performance" 2016 Mercedes-Benz GLC 300 Battery. Sep 9, 2024 · When dealing with a malfunctioning 48V battery, effective troubleshooting is crucial to identify and resolve issues promptly. Also, consider using insulation during 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. 2022 S60 T8 Black Edition by Volvo. Mercedes service still stinks. Any hint about this new issue? Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. TSB #LI54. Its now on the shop for that issue and unusual tire wear on the front two tires. Each time engine light comes on, Benz dealer cites different issues. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. There is internal electrical fault. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. Dec 16, 2022 · Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system Jul 26, 2023 · But most of the complaints relate to faulty 48V batteries. Your 2022 Mercedes-Benz S 580 battery will ordinarily last between 3 to 5 years, but that can fluctuate laboriously depending on weather conditions type of battery, battery size, and driving habits. The most common Mercedes-Benz hybrid problems that won’t allow you to start the engine are caused by either a faulty power electronic module (part number 0009064703) or a defective hybrid battery. Check the step-by-step guide to repair the battery. Aug 23, 2023 · So, keep an eye on the potential problems with the Camtronic. Here are some common symptoms of an aux battery malfunction on a Mercedes: The average cost for a Mercedes-Benz GLE350 Battery Replacement is between $455 and $488. October 7, 2022 — A Mercedes-Benz battery replacement class action lawsuit alleges numerous models Apr 14, 2022 · The first time I got the 48V battery malfunction light on and within 2 minutes the car would no longer accelerate. MB is having massive issues with the 48V lithium batteries for their mild-hybrid systems. Mar 26, 2023 · 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 MHH Auto ™ Guest I find it hard to accept. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. In this case, the fuel Jun 18, 2015 · The charging system uses a battery control module to monitor the state of charge and turns on the auxiliary battery by powering the auxiliary battery relay when the system's voltage becomes too low. The most common causes of dead battery in S-Class are internal degradation of the battery due to old age, and bad alternator – but can also be caused by Jan 24, 2021 · Since then the car has been in the shop. 2. BGS 48V system problem. This will only have fault B183371 in 48V battery. Mercedes E450 EQ Charge meter Photo by Justin Pritchard. Since making its debut on the S-Class a few years back, EQ Boost has made its way across the Mercedes-Benz product line, including the brand’s high-performance AMG models. com/scanner/Get Factory Service Repair Manuals & Specs https://www. The most common causes of dead battery in GLS are internal degradation of the battery due to old age, and bad alternator – but can also be caused by Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. May 14, 2023 · I have a 5 year old A8 that broke down just over a week ago. Ours did have the range extender button but we never used it as each press does ‘stress’ the battery. a. It’s now with Audi who say both the new 12v battery and the 48v battery are showing faults and need replacing. I have no idea. 2Ah lead-acid battery is second model of the auxiliary battery also known as backup battery used for other mercedes cars such as GL X164 GL450 GL550 GL350 GL320 S-class W220 W221 S320 CL-class W216 CL550 CL600 CL63, R-class W251 R350, ML-class W164 ML250 ML300 ML350 and many other. My mechanic says I have to replace my alternator my car 's mileage is 122,000. This happens after 24 hours and a long drive. Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. This was completed at the cost of 1. com/manualsAsk Car Questions & Get Apr 2, 2021 · Mercedes Benz Electrical Problems: Do Mercedes have electrical problems? The Mercedes Benz have been in the automotive industry for more than 100 years and they have proven themselves to be worthy of their reputation as makers of world-class vehicles. I need to jump the battery nearly every time. 1 volts per cell. What warranty cover and also about courtesy car. This is accompanied by a red warning screen in the center instrument cluster display that shows a battery accompanied by the phrase "visit workshop. I should also say that the issue is common for all Mercedes engines equipped with Camtronic. These cars should be recalled, but Mercedes seems to be taking a workaround. 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 Feb 14, 2023 · The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. 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. A total of 4 complaints are either specifically about battery failure or mention defective batteries. 2022 Mercedes-Benz S 580 Battery. Jun 11, 2022 · The most common symptoms of dead battery in Mercedes-Benz E-Class are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. airbagteam. A new battery was shipped from Mercedes. Get a free detailed estimate for a repair in your area. 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 Sep 3, 2014 · I'm having problems starting my 2010 E350. Can you share if you found any solution or location of pyro fuse? Feb 19, 2024 · A total of 12,191 vehicles are impacted. Repairing the Mercedes Benz 48V Hybrid Battery Step 1: Identifying the Model and Symptoms Before beginning the repair process, it's crucial to identify the affected model and the symptoms of the battery malfunction. Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). When dealing with 48V battery failure of Mercedes Benz 223 and 206, it is necessary to cooperate with the programming and diagnostic certificate. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/ W203/ W205/ W222 repairing function. This amounts to a mild Cause 2/5: Limp home mode with additional symptoms: overheating, A/C blowing hot, and loss of acceleration with fault code: B1873371 The battery for 48V on-board electrical system has a malfunction. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera the battery and the control electronics, the ISG (Integrated Starter Generator) is the heart of the 48V system. It could be the AUX battery relay too. The average cost for a Mercedes-Benz CLS450 Battery Replacement is between $700 and $714. Dec 29, 2021 · This week Torque News is reviewing the 2022 Mercedes GLE 450 which is an all-new available suspension system powered in part by the 48V battery and developed by Mercedes-Benz. Labor costs are estimated between $123 and $155 while parts are typically priced around $332. 253. May 7, 2024 · My 2023 Mercedes-Benz glc 4matic pinnacle edition has given me battery low and needs charging notices and has failed to start twice. " 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. After confirming that my charging system had 14. 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. Mercedes Benz Battery Charge Warning Light – This light indicates that the battery is not charging. Contractor Issue – Contactors open and close the high-voltage circuit. Here are some details/symptoms: 1. The most common causes of dead battery in C-Class are internal degradation of the battery due to old age, and bad alternator – but can also be caused by Mar 8, 2024 · This section will explore the common symptoms, specific problems related to the GLC battery, and potential causes of these drain issues. If the charger is getting hot then it's producing a charging current which should eventually fully charge the battery. Mar 28, 2023 · It is my understanding that BSG unit charges the 48V battery and the 48V battery is supposed to then charge the 12V starter battery. Feb 13, 2023 · Upon receiving the car back, I noticed that the charging problem had been resolved. Demonstration of Mercedes 48V hybrid battery testing reprogramming kit. This is the mild-hybrid engine with a small additional high-voltage battery pack. Other possible problems with Mercedes-Benz hybrid vehicles are: Power Electronics Module Aug 7, 2021 · Hi I have brought a Mercedes 2019 c class that had light damage, the car is repaired but comes up with 48v battery fault and won't start I saw daxxer had a fix for this but I can't get hold of him, can anyone else help me thanks B183319, or any other faults in the 48V battery. Replace only 48V battery (regardless of other faults) ii. 1 to 12. When the 48V battery is not functioning correctly, it may not provide adequate support to the vehicle’s electrical system, leading to increased strain on the main 12V battery. Nov 22, 2021 · The electricity generated is stored inside of a powerful 48-volt battery. any ideas? View attachment 2612812 View attachment 2612813 Hi i am having the same problem with my 2016 model. THen it happened again last week and thus up at the dealer. How to use a multimeter to check the status of your Mercedes Benz‘s battery. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. 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. Jul 2, 2022 · Class action lawsuit alleges the 12-volt and 48-volt batteries drain and strand consumers. Avoid extreme temperatures: Park in shaded areas or garages when possible to shield the battery from excessive heat. com/products/w212-w221-hv-hybrid-battery-testing Buy YOUCANIC Pro Scanner https://www. A Mercedes-Benz GLE450 Hybrid High Voltage Battery Replacement costs between $2,208 and $2,327 on average. 213. 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 . A second defect has been alleged relating to Mercedes-Benz vehicles with 48V/12V battery hybrid systems. Sep 13, 2023 · The “Auxiliary Battery Malfunction” warning typically refers to a problem or issue with the auxiliary battery. I'm going to see the car on Wednesday. Apr 1, 2024 · Mercedes opened an investigation in June 2022 after customers complained about battery-related warnings. Jim W. Remove the filter housing and you'll find the battery. I will report back after tomorrow's service. Drove another 2 miles on my way home and the light comes on. B183371 the battery for 48V onboard electrical system has malfunction. Cause 3: Hardware short circuit in 48V system causes fault B183319 in 48V battery Cause 4: 48V battery detects abnormality and disconnects causing additional symptoms: Limp Home Mode, overhea- ting, A/C not blowing cold, or loss of acceleration This cause will always have fault code in G1/3: B183371 but will Not CG100 PROG III V6. Sep 1, 2022 · Check the step-by-step guide to repair the battery. For the item: https://www. 205. When the auxiliary battery malfunctions, it can lead to various problems related to the vehicle’s electronic components and systems. . All 48V batteries of Mercedes Benz provide DTS MONACO technical solutions: 2. Unable to turn off accessories after turning it on without starting The 48V systems are unique, since they're a mild hybrid they are sensitive because you don't want 48V touching 12V systems. Your 2021 Mercedes-Benz GLE 450 battery will generally last between 3 to 5 years, but that can change laboriously depending on battery size, weather conditions type of battery, and driving habits. First time in 40 years ,have had a bad one,so Feb 12, 2023 · Where is the Mercedes Auxiliary Battery Located? Mercedes-Benz puts the auxiliary battery in multiple locations, depending on which model you drive. However, a new issue has arisen, whereby the car frequently displays a "Battery Malfunction" message and the hybrid battery can only be discharged from 14 miles to 9 miles, and then stuck at 9 miles. Mar 30, 2024 · A faulty Benz 48V battery can cause battery drain in your Mercedes-Benz GLE. We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. Nov 6, 2023 · Looks like there's a problem with the drive battery - is the car under warranty? Nov 6, 2023 48V Battery Malfunction Dec 2023 Mercedes GLE Premium Mild Hybrid ved; Dec 8, 2023 · The only evidence that it is MHEV is the effortless starting from the 48v starter motor. Drove to my nearby dealer, who had the car 18 days and reported the car fixed. May 8, 2023 · Mercedes-Benz 2022-2023 sedan recall. Your Mercedes-Benz GLC 300 battery will typically last between 3 to 5 years, but that can vary heavily depending on weather conditions type of battery, battery size, and driving habits. Apr 27, 2023 · The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). 7 volts or higher; below 12. Jan 18, 2009 · I'd start from checking the AUX battery condition, it is behind/below the cabin air filter at the engine bay, just in front of the fire wall. I have never seen the battery; it is buried in the boot floor under a bolt down cover. B. 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. However, the most common are no starts and vehicles shutting off . Believe the battery was original fit, so I got about 6 years before replacement. B183319, or any other faults in the 48V battery. 3. Personalized configuration by OrBit. We discuss the most common c Oct 7, 2022 · 12-volt and 48-volt Mercedes-Benz batteries allegedly completely drain from electrical defects. A fresh battery should be around 12. However, my dealer did let slip that I’m not the only one. 0-liter inline-6-cylinder engine. Definitely a good idea to take the car in. Jan 24, 2021 · Since then the car has been in the shop. I need to ask them about the warranty. Mar 21, 2024 · 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. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera-tion Check the step-by-step guide to repair the battery. If it is the battery it requires the right front seat to be almost removed and the main battery to be removed to get to it. 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. 2021 Mercedes-Benz GLE 450 Battery. Author: vysi Aug 29, 2024 · Explore the comprehensive guide to the Mercedes-Benz M256 engine, covering reliability, common problems, oil capacity, model applications, and a comparison with the M276 engine. 4V during my commute today, I was all set to go out and buy another battery. Apr 28, 2023 · What are the Symptoms of Mercedes 48V Battery Problems? There are several different reported issues with the 48 volt battery system owners need to be aware of. Sep 13, 2021 · A prime example of an automaker employing hybrid technology is Mercedes-Benz, with its innovative EQ Boost system. Also, I see that a 12v charger might charge 48v through a converter, but no Aug 30, 2022 · CG100 PROG III V6. 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. Feb 23, 2022 · Faults are there : B183349 the battery for 48V onboard electrical system has malfunction. ? This is an original Mercedes 48V Hybrid lithium battery, proowned, thoroughly tested, calibrated, balanced, and ready to install. These consist of the 2021-2023 CLS 450, 2021-2023 E 450, 2021-2023 E450 All-Terrain, 2021 AMG CLS 53, 2021-2023 AMG E53, 2021-2023 AMG GT 43, and 2021-2023 Dec 10, 2022 · 1. Mercedes 48 battery repeaer. The charging current would then fall off and the charger would get cooler. They are located inside the high-voltage hybrid battery and can fail. Looking at a 2022 E53 AMG that seems like a very good deal. The common locations where to find the auxiliary battery on a Mercedes include: Worst Volvo XC90 Hybrid Problems #1: Electrical Stops Working Intermittently 2016 XC90 Hybrid Average Cost to Fix: N/A Average Mileage: 10,000 mi. Note: this fault code may include additional 48V system consequential faults although B1873371 is the primary root cause. This could be due to a problem with your car’s electrical system, faulty alternator or battery, bad electrical connection, or damaged cabling. That was a GLC 300. After a week, I had to call but glad VM from dealer indicates waiting on MB /HQ to “approve this Warranty” issue w/48V battery issues. Hear it is…$4,000. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. Reply reply If your battery does not have this function, you should keep on reading to see in what other way you can check its status. Interestingly, the original battery was an Exide 70 AHr / 700 CCA. Some common symptoms include: 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. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/W203/W205/W222 repairing function. This guide provides a comprehensive approach to diagnosing and addressing problems with your Conduct a battery health check: Use a multimeter to read the battery charge. If the engine is on, you Nov 15, 2024 · Mercedes-Benz hybrid vehicles such as the S400 are notorious for having hybrid issues that lead to no-start engine conditions. Learn about the advantages of the straight-6 design and why the M256 stands out in modern automotive engineering Feb 19, 2023 · The icon on the dash is the 48V battery charge level, there is no readout visible for the 12V battery system charge level. I had a new 12 volt battery installed after some minor electrical issues and 2 days later the whole system went within 30 seconds of the warning lights coming on. The most common causes of dead battery in E-Class are internal degradation of the battery due to old age, and bad alternator – but can also be caused by Oct 23, 2023 · The Mercedes-Benz EQS is a battery-powered, full-size, luxury car introduced by Mercedes-Benz in 2021. Soon after that quote however they told me that the fault could be rectified without replacing the battery but by simply performing a software update on the existing one. The most common causes of dead battery in GLE are internal degradation of the battery due to old age, and bad alternator – but can also be caused by Jun 11, 2022 · The most common symptoms of dead battery in Mercedes-Benz GLS are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. Jun 11, 2022 · The most common symptoms of dead battery in Mercedes-Benz C-Class are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. co Aug 14, 2011 · You can always attach leads to the auxiliary battery and run them to a voltmeter in the cockpit; when the relay closes you'll see 13. This could potentially mask other issues. Labor costs are estimated between $99 and $125 while parts are typically priced around $342. They are set to make innovative and ultramodern vehicles that can leave a mark in the Dec 16, 2024 · An auxiliary battery malfunction on a Mercedes refers to a problem with the secondary battery that provides power to various electrical components in the vehicle. Never used the GLC START/STOP functionality. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. When a Mercedes-Benz GLC battery keeps dying, there are several signs that can indicate a problem. It stayed on for a couple of miles but went out when I accelerated to about 60. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. Battery sensor problems 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”. Mar 28, 2010 · I have the same problem too but I want to knowhow to open the hidden menu that shows the voltage I have a 2003 c230. , but after tonight's battery testing results showing that the battery is good, I'm not N000000004039 A000000004039 12V 1. Correct any problems and retest pump actuation:-12V plug at M75/11-48V plug at M75/11-48V connector X192/4-Connections at 48V fuse box F153/2-Sockets 1,2, and 5 at connector 2 of MRG1 control unit-M75/11 circuit 41 ground Mar 23, 2009 · The service personnel did suggest they have seen a few problems with the transmission battery and they will check it out. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. Aug 13, 2024 · The 48V battery system in Mercedes vehicles is an advanced electrical architecture designed to support a variety of functions that improve both performance and efficiency. Update DC/DC converter N83/1 if later software is available. Dec 3, 2019 · Hello ! I have a problem, i cant find pyrofuse! Checked prefuse box, box on the positive battery cable and have no luck! Car wont start. This sounds like it could be related to a battery failure. Story continues below. 6 volts or so depending upon age and condition). Switching the car off and restarting seems to have cleared it. Even still, just because your battery isn't utterly dead, doesn't mean it's operating accurately. Battery life? Sep 15, 2005 · All glitches are now gone I suspect the battery must have had some sort of intenral problem that reduced its voltage without substantially reducing its ability to put out lots of amps. 361) Engine: 256. ohjah kfgv ijy uwlfm kdjqw mvdl anlm hpcrl xntd watuwg