2021 mercedes 48v battery problems. This happens after 24 hours and a long drive.

2021 mercedes 48v battery problems Jun 22, 2021 · A class action alleges Mercedes-Benz was aware that the 2021 450 GLE suffered from an electrical system defect yet did not disclose the problem to drivers prior to sale. Exterior Lighting. This was completed at the cost of 1. Mus Chagal Jun 28, 2021 · One problem related to 12v/24v/48v battery has been reported for the 2021 Jeep Grand Cherokee. 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 Literally just had the car in a few months ago for a routine check/oil change and not a single warning. Very sad to pay $80,000 for a new car, and not be able to use the vehicle for an unknown period of time. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. 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 Aug 23, 2023 · So, keep an eye on the potential problems with the Camtronic. 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. Its now at Dealer for second time for this problem with total of 15 days of trying to fix it. A total of 4 complaints are either specifically about battery failure or mention defective batteries. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. Even still, just because your battery isn't completely dead, doesn't mean it's operating at optimal levels. 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. This will only have fault B183371 in 48V battery. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Apr 28, 2023 · If you own a Mercedes and have been experiencing 48 volt battery problems, you’re not alone. Mercedes service still stinks. The emergency call system may fail to place an automatic or manual call and Oct 17, 2020 · I have had 4 occasions in last 3 months where 450 is dead after only sitting for an hour. I opened the 48v battery and charged it with 48 v charger and now it shows 48v but terminal 40 doesn't provide power out to the ISG/ car does NOT start. A driver won't receive any 2021 Mercedes-Benz GLE 350 Battery. I am guessing because the contactor inside the battery is open via the circuit board. There are others with GLB who experience a “whistling” sound on freeways at high speeds, especially facing crosswinds or passing a truck / 18-wheeler. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Sep 23, 2019 · According to Mercedes this is normal, no problem found. 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. I should also say that the issue is common for all Mercedes engines equipped with Camtronic. 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. From the complaints made with the NHTSA about the 2021 GLS, it is clear that this model isn’t exempt. Exterior Apr 14, 2022 · We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. 1. A lot of other drivers have been dealing with issues related to the battery, such as unable to start the car and even shutting off while in motion. 17, 2021 (GLOBE NEWSWIRE) -- Kehoe Law Firm, P. National Highway Traffic Safety Administration (NHTSA) has logged numerous complaints from vehicle owners regarding a battery issue in several 2020 and 2021 models. In 3 of those occasions, jumping finally started it. Your 2021 Mercedes-Benz GLE 350 battery will typically last between 3 to 5 years, but that can vary heavily depending on battery size, type of battery, weather conditions and driving habits. This is the mild-hybrid engine with a small additional high-voltage battery pack. THen it happened again last week and thus up at the dealer. Feb 14, 2023 · Until now, there have been numerous updates to the software of the GLS to counter these problems, but there are still people that have these problems. Nov 29, 2016 · The 48v system is the only way to charge the 12v battery. In this Mercedes-Benz S580 Service Battery/cables; Mercedes-Benz S580 Brake System Flush; Mercedes-Benz S580 Adjust Ignition Timing; Mercedes-Benz S580 Brake Warning Light is on Inspection; Mercedes-Benz S580 Door does not lock or open Inspection; Mercedes-Benz S580 Electric Problems Inspection; Mercedes-Benz S580 CV Axle / Shaft Assembly Replacement Jan 31, 2022 · I’ve an ongoing problem with a 2021 model C-Class - so I thought I’d ask if anybody else has seen or heard of anything similar. . The ultimate problem with the 2021 Mercedes-Benz GLE model batteries is that they malfunction or fail. Apr 1, 2024 · 2021-2023 Mercedes-Benz Maybach GLS 600 Mercedes believes the 48V ground connections under the passenger seats may have come loose during the assembly process. 3. him the vehicle wouldn't start because of problems with the 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. 2021 Mercedes Benz GLS Complaint Summary Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. Not have any ways for repair?Only replace? yes it can be fixed, but must be on my table Aug 1, 2023 · In early July, a plethora of Mercedes-Benz passenger models, including 2021-2023 GLC 300s, 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. A new battery was shipped from Mercedes. I have experienced the same issue several times. Jul 26, 2023 · 2021 Mercedes Benz GLE Problems and Top Complaints – Is Your Car A Lemon? Electrical System:12v/24v/48v Battery. I ignored it, but did stop when various electrical things (like COMAND) started shutting down. The Mercedes GLS, like the other GL models like the GLE and GLA, uses a 48V secondary battery to help with the start/stop function and other high amperage B183319, or any other faults in the 48V battery. 48V Secondary Battery Malfunction. It has a relay that turns off the battery when the voltage drops. The belt starter/generator (“BSG”) output 48v, nominally. Mar 5, 2024 · I replaced the pyrofuse, replaced 12v battery. As one complaint states, when this happens, there is nothing you can do. C. ” Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. is a New York resident who purchased a 2021 Mercedes-Benz GLE 450 W4 in October 2020 in New Jersey. A couple of months after taking delivery my car showed a red “12 volt battery not charging error” message. I thought I was the only one. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera PHILADELPHIA, Dec. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. Jul 26, 2023 · But most of the complaints relate to faulty 48V batteries. Oct 15, 2023 · Battery Problems. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. 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. Jul 26, 2023 · Sometimes, it is also important to look at problems that other Mercedes-Benz models have. Please also check out the statistics and reliability analysis of the 2021 Jeep Grand Cherokee based on all problems reported for the 2021 Grand Sep 19, 2024 · Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 Maybach S 580 4MATIC, S 500 4MATIC, and S 580 4MATIC vehicles. 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. Can't wait till the battery dies. Dealer replaced starter battery. 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. 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 see a lemon law coming. For example, we have seen there is a tendency for some Mercedes-Benz models to have serious 48V battery issues. Apr 28, 2023 · If you own a Mercedes and have been experiencing 48 volt battery problems, you’re not alone. And don't forget about the thermal paste. 2. 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. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. 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 Apr 27, 2023 · The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). At first they quoted me £1,324 for replacement of the battery including labour and VAT. Back to Porsche Apr 5, 2021 · (04-06-2021, 05:34 PM) fanatrally Wrote: (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. Dec 5, 2021 · Towed the car over to the local dealership. 6 hours labour. Jun 9, 2020 · Hi Jeremy. Mar 17, 2024 · Yes, there are major problems with the 48V battery in a wide range of Mercedes-Benz vehicles. This happens after 24 hours and a long drive. Typically, but not always, there’s a warning that states, Coolant too hot shut engine off. BGS 48V system problem. Mar 22, 2023 · Plaintiff Joseph Scattaglia Jr. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. is investigating potential consumer class action claims on behalf of owners and lessees of 2019-2022 Mercedes-Benz E-Class 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. The most recently reported issues are listed below. Lawsuit List Most Popular 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 the battery and the control electronics, the ISG (Integrated Starter Generator) is the heart of the 48V system. They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. 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. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. Feb 14, 2023 · The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. It “is unable to be fixed. I am the owner of a 2021 GLB manufactured in Mexico. Very disturbing and dangerous. blyj wbbu vjpa dbgakwz xivr hsellc qkzbb gsnkvyp bnoixzf fzgi