Mercedes 48v battery malfunction fix. Check the step-by-step guide to repair the battery.

Mercedes 48v battery malfunction fix. 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. Sep 12, 2021 · Have the Mercedes Auxiliary Battery Malfunction Fault? If so, you need to watch this video now! We will describe everything you need to fix this fault. Mercedes said it was a manufacturing problem to do with the grounding of the 48V Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. OR if fault B183301 in DC/DC c. Disconnect the 48V battery. A genuine Mercedes auxiliary battery costs around $160, while an OEM auxiliary battery costs around $70. a. first to respond for ur answer. The main function of mercedes-benz auxiliary battery is to provide voltage to "stop start" function, so this function may not work until you solve battery malfunction. It was a 92F degree day and the car was parked in the sun. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. B183371 the battery for 48V onboard electrical system has malfunction. Front GT Grille with Camera Hole for Mercedes Benz 2020-2023 GLS-Class X167 GLS350 GLS450 GLS400 GLS580 Buy YOUCANIC Pro Scanner https://www. 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/W203/W205/W222 repairing function. Auxiliary Battery Malfunction. 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. Sep 25, 2024. I replaced the original Main Battery under the hood, started the car, and got the Auxiliary Battery Malfunction message. Replace only 48V battery (regardless of other faults). The "Auxiliary Battery Malfunction" warning flashed up on the instrument cluster a couple of days ago. 48v Battery – Mild hybrid – Mercedes. Mar 21, 2024 · The CG100 Prog III with software V6. They adamantly denied (lied) any 48-volt battery issues exist. This section will provide an in-depth understanding of the 48V battery’s function and how it can contribute to battery drain if faulty. Nov 6, 2023 · 48V Battery Malfunction Dec 2023 Mercedes GLE Premium Mild Hybrid ved; Sep 16, 2024; Electronics and Audio; Replies 6 Views 500. Here are the five steps to fix an ‘Auxiliary Battery Malfunction’ on a Mercedes: Apr 28, 2017 · Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Jan 9, 2019 · My 2014 CLA250 (no longer under warranty) started showing signs of a weak battery while cranking. Remedy 2: Battery Not found in Quick Test, OR Fault B183301 in DC/DC, and/or B183349 in 48V battery. Although the warning isn't critical - and the car is perfectly driveable - the warning CG100 PROG III V6. 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. Update DC/DC converter N83/1 if later software is available. Mercedes-Benz auxiliary battery function. airbagteam. Car came in because of flood damage - cleaned out everything - and replaced some relays, can connectors and other modules etc that were faulty. Note: this fault code may include additional 48V system consequential faults although B1873371 is the primary root cause. This system is crucial to a number of functions, including the mild-hybrid capabilities of the vehicle. Nov 27, 2015 · This question relates to the above C-Class, just under 4 years old, with only 23,000 miles on the clock. Mar 1, 2021 · The AUX battery and your main hybrid battery has very little to do with each other. May 6, 2024 · Auxiliary Battery Malfunction Auxiliary Battery Malfunction Mercedes Case Study : Auxiliary Battery Malfunction Mercedes C300 auxiliary battery malfunction mercedes c300. Other than your dashboard warning light, signs that may indicate a new for a new battery include: Dim Headlights Application: Mercedes-Benz: C CLASS (W205) E CLASS (W213) GLE, GLS (W167) S CLASS (W222) AMG GT (W209) NOTE : Check To Confirm The Vehicle Is Equipped With M256 Or M264 Engine Control Module ECU. Feb 14, 2023 · The Mercedes GLS suffers from electronic gremlins, 48V secondary battery malfunction, inferior interior plastic, and an ineffective HVAC system. Apr 28, 2023 · Mercedes-Benz has been experiencing an increase in the number of complaints with their 48V battery system. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. fault code: B1873371 The battery for 48V on-board electrical system has a malfunction. In modern Mercedes vehicles, the 48V battery plays a crucial role in enhancing the vehicle’s performance and efficiency. yes its safe to drive home but with saving power as much as u can. 2. Keep reading to learn more about auxiliary batteries, auxiliary battery malfunction C 300, causes to malfunction, and fixing your C 300 auxiliary battery. Mercedes 48V Battery Malfunction DTS Monaco Solution#Machenic #Garage #CarRepairFAIR-USE COPYRIGHT DISCLAIMER:Copyright Disclaimer Under Section 107 of the C Feb 14, 2023 · 4. the car went into the workshop of Nov 16, 2023 · This article covers the High Voltage (HV) Battery (A100), its work, and common problems. 4. 930. . Check the secondary battery terminals and connections for cleanliness, tightness, and corrosion. The belt starter/generator (“BSG”) output 48v, nominally. AUX is a small (perhaps 2 litre sized) one while your main (most possible 48V) battery is the one below and behind the rear seats in the trunk. We renewed the 12V battery, but the 48V battery was not recovered in any way and we had to change it as well (2. 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. D. The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. 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 Looking at a 2022 E53 AMG that seems like a very good deal. This will only have fault B183371 in 48V battery. The message log still indicated a red battery but there was no battery indication on my display. However, if the warning lights have come on, driving for a short distance, such as up to 100 miles, is generally considered safe before getting it repaired. Faulty Voltage Converter: The voltage converter is responsible for charging the auxiliary battery; a malfunction can lead to undercharging or no charge at all. Bobby Dazzler. youcanic. All yo B183319, or any other faults in the 48V battery. Towed the car over to the local dealership. Some owners are stuck with paying for diagnostics, software updates and even battery replacements. Dec 5, 2021 · The car (purchased on Aug 2021 ) failed to start with the stop vehicle battery icon on the dashboard. Dec 24, 2021 · Turns out to be the 48-volt electrical system. I found a lawsuit about it from about a year ago in New Jersey but it seems that hasn't been resolved. the battery and the control electronics, the ISG (Integrated Starter Generator) is the heart of the 48V system. Aug 30, 2022 · Check the step-by-step guide to repair the battery. Diagnostic shows 48V on-board electrical system malfunction trouble code. Remedy for 6/6 1. Jan 31, 2023 · Hi we have had the same issues on an EQA used - 11 months old 6500 miles picked it up Saturday - done 100 miles then this morning after half a mile beep and warning light red battery malfunction cannot control gears contact workshop , returned home pressed call out button in car and RAC came - they diagnostic and said software update - same thing happened again as soon as I left the house . Once you see on-board computer DTC fault it instantly pops a question in your head, can I keep using a car? Is it save to drive and so on. 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. Use a multimeter to measure the voltage of the backup battery. It stayed on for a couple of miles but went out when I accelerated to about 60. Update DC/DC converter N83/1 using newest Xentry AddOns. If software version is Not 19/46 000, open a PTSS case. Ensure the connections are secure and in good condition. Check the step-by-step guide to repair the battery. Common Causes of Auxiliary Battery Malfunction: Battery Degradation: Over time, the auxiliary battery loses its capacity, often due to age, frequent use, or extreme temperature exposure. 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. if 48v battery not found in quick test even though wiring harness G1/3 to N83/1 has no faults b. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. The first-generation 128v 6. 4. Remedy for 3: Mercedes W213 E200 48V MHEV Performing a diagnostic on the mild hybrid system Feb 6, 2024 · If you see an ‘Auxiliary Battery Malfunction’ message on your Mercedes, you can often fix it yourself by replacing the auxiliary battery. There is internal electrical fault. It has the 48V Hybrid system with ISG and the e-booster electric turbocharger. How to Fix the Auxiliary Battery Malfunction? To fix the auxiliary battery malfunction warning, follow these steps: Mar 28, 2010 · don't even think of changing your alternator! I suffered from the same problem couples of weeks ago. Feb 12, 2023 · Every passenger vehicle comes equipped with a 12-volt battery that is used to start its engine. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. To successfully repair the Mercedes Benz 48V hybrid battery, you will need either CG100X or CG100 Prog 3 programmer. However, upon further research it seems that this model along with several others can have major problems with the 48V battery dying. 0 is your ultimate companion when it comes to fixing 2015 onwards Mercedes-Benz 48V lithium batteries for models W167, W205, W213, and W222. Replace battery only ii. 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”. Nov 29, 2016 · The 48v system is the only way to charge the 12v battery. Update software in G1/3 (48V battery) using newest Xentry software and AddOns Remedy 2: 1. The heat may have been a factor that precipitated the problem. Replace only 48V battery (regardless of other faults) ii. 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. The same is true with the Mercedes-Benz lineup of vehicles. Feb 26, 2023 · Hello, Looking for a help with locked 48V battery BMS after crash. The auxiliary battery Malfunction in the Mercedes C-Class W205 poses a crucial issue affecting the proper functioning of this prestigious vehicle’s electrical system. Owners Apr 14, 2023 · I drove the car to a shopping center and parked. 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. Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery. I have a couple of questions relating to fixing this issue. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera Apr 5, 2021 · Mercedes Comand/Audio antitheft codes all NTG Mercedes Garmin Map Pilot Europe navi Mercedes NTG5-6 Regio Software Jan 24, 2021 · Since then the car has been in the shop. It 12 days to repair a car with a dead battery. The first time I got the 48V battery malfunction light on and within 2 minutes the car would no longer accelerate. Oct 27, 2021 · In this video I am showing the way I am dealing with Auxiliary Battery Malfunction problem. The car was towed to MB Escondido where they claimed they needed permission from MB corporate to replace the $4,000 system. We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. The actuator is blocked. The 48V battery is Sep 13, 2023 · How to Fix Auxiliary Battery Malfunction Mercedes Step 1: Inspect Battery Connections. Mar 21, 2022 · Additionally, vehicles that are towed to the dealership often take several days to diagnose the problem. Is this a DIY project or something the dealer needs to fix? 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 Here are the reasons for an auxiliary battery malfunction warning messages to come on: A Faulty auxiliary battery An issue with the battery control module or wiring A faulty auxiliary battery relay A blown PolySwitch fuse. 3. Step 2: Test Battery Voltage. Check software version in 48V battery via quick test. Mercedes 48 Volt Battery Malfunction: What Are Mercedes Drivers Saying? “My 2021 E450 All-Terrain wagon is on its third 48-volt battery. com/manualsAsk Car Questions & Get Mar 30, 2024 · The Role of the 48V Battery in Mercedes-Benz Vehicles. Pyrofuse replaced and engine ecu unlocked with Xentry. It doesn't even have 10k miles on it yet. 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. 200€ minimum). 0 added 2015 onwards Mercedes-Benz 48V lithium battery W167/ W203/ W205/ W222 repairing function. Sep 1, 2022 · CG100 PROG III V6. if 48V battery not found in quick test, OR if fault B183301 in DC/DC, OR if fault B183349 in 48V i. This is unfortunately quite common issue across entire Mercedes mo 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 CG100 PROG III V6. co 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 Aug 24, 2023 · This model does not have external plug-in charging (hybridization called Bluetec), so if the 12V battery does not react, the 48V battery does not charge. The actuator is blocked problem has been solved, crash has been removed, thank you for all guys Thanks for pitpol for his support. 01: 48V Battery Benefits By using a 48-volt electrical system in new Mercedes-Benz vehicles, the car can be… 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. What Is An Auxiliary Battery? Auxiliary batteries work with your main starter battery, and as a backup battery in the event the main battery becomes disabled. I have disassmbled battery and charged it to 45V but it still shows 0V after reassembly. com/scanner/Get Factory Service Repair Manuals & Specs https://www. 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. Drove another 2 miles on my way home and the light comes on. When I tried to start the car it locked up and the message was Low battery -charge the high voltage battery. Jan 9, 2019 · On Saturday moaning I had the "Auxiliary Battery Malfunction" warning on the central display flash up in red accompanied by an annoying bleep, then the bleep stopped and the warning change to white but continued to flash up. Jul 28, 2024 · 3. OR if fault B183349 in 48v i. 5ah hybrid battery is used in BMW ActiveHybrid and Mercedes-Benz S400 W221 and uses thirty-five Li-Ion cells similar to these Saft VL6 cells. Cause 3/5: Red battery light or check engine light without fault B1873371 Cause 4/5: Battery Not found in Quick Dear customer, It appears that your Mercedes C200 Sport Saloon has experienced a temporary malfunction in the 48-volt electrical system. My battery life showed 35% remaining. 5. Signs I Need a Battery for My Mercedes-Benz? Your Mercedes-Benz car battery may last anywhere for three to four years but multiple factors can affect your car battery’s life such as old age, extreme temperatures, and corrosion. the srs airbag . Apr 14, 2022 · I just had my brand new GLS have the same 48V battery malfunction for the second time since i bought it. Sep 13, 2022 · I'm working on a 2020 W167 GLE AMG (167. Apr 9, 2019 · Mercedes-Benz models that are affected by the auxiliary battery malfunction include the following: Mercedes E-Class (W211, S211, W212, S212, C207, A207, ML W166, GL X166) Apr 22, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Feb 23, 2022 · Faults are there : B183349 the battery for 48V onboard electrical system has malfunction. 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. Dec 7, 2023 · When it comes to a Mercedes auxiliary battery malfunction, a certified repair shop is recommended to replace it as soon as possible. 361) Engine: 256. 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. I should add the car is a C220 W205. mepvuu jzko rsmir zihqekx twff rkmvlgfg kbawc mhqeg tqxczgs bii