2021 mercedes 48v battery problems. I see a lemon law coming.

2021 mercedes 48v battery problems Apr 28, 2023 · If you own a Mercedes and have been experiencing 48 volt battery problems, you’re not alone. 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. A new battery was shipped from Mercedes. the battery and the control electronics, the ISG (Integrated Starter Generator) is the heart of the 48V system. Exterior Oct 15, 2023 · Battery Problems. Exterior Lighting. 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. Mercedes service still stinks. Jul 26, 2023 · But most of the complaints relate to faulty 48V batteries. 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. him the vehicle wouldn't start because of problems with the Jul 26, 2023 · Sometimes, it is also important to look at problems that other Mercedes-Benz models have. ” Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. 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 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. A total of 4 complaints are either specifically about battery failure or mention defective batteries. 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. 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. is a New York resident who purchased a 2021 Mercedes-Benz GLE 450 W4 in October 2020 in New Jersey. For example, we have seen there is a tendency for some Mercedes-Benz models to have serious 48V battery issues. Jul 26, 2023 · 2021 Mercedes Benz GLE Problems and Top Complaints – Is Your Car A Lemon? Electrical System:12v/24v/48v Battery. 48V is exactly 4 times the potential (and therefore, available current) of the 12V system. It has a relay that turns off the battery when the voltage drops. Typically, but not always, there’s a warning that states, Coolant too hot shut engine off. As one complaint states, when this happens, there is nothing you can do. 48V Secondary Battery Malfunction. 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. And don't forget about the thermal paste. Dec 24, 2021 · As the Mercedes-Benz battery drains can occur without warning, drivers may be unexpectedly stranded and placed in perilous situations. This happens after 24 hours and a long drive. 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. 2. The disconnected 48V battery then causes subsequent symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of accelera . Apr 27, 2023 · The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). They also report having to repeatedly pay out-of-pocket for costly diagnostics, software updates, and battery replacements, none of which remedy the problem. 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. 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. Ohms law for linear DC dictates that at the same load (resistance), 4X the potential = 4X the available current. Luckily, I was on a side street about to get on the highway so I was able to pull over. Dec 5, 2021 · Towed the car over to the local dealership. BGS 48V system problem. This will only have fault B183371 in 48V battery. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. 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. 1. 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. I ignored it, but did stop when various electrical things (like COMAND) started shutting down. This is the mild-hybrid engine with a small additional high-voltage battery pack. 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. From the complaints made with the NHTSA about the 2021 GLS, it is clear that this model isn’t exempt. Aug 23, 2023 · So, keep an eye on the potential problems with the Camtronic. 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 Nov 29, 2016 · The 48v system is the only way to charge the 12v battery. 3. Cause 5 is from the 48V battery detecting an abnormality which then causes the 48V battery to disconnect itself. It “is unable to be fixed. 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. National Highway Traffic Safety Administration (NHTSA) has logged numerous complaints from vehicle owners regarding a battery issue in several 2020 and 2021 models. 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. 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. 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 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. 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 Feb 14, 2023 · The auxiliary battery malfunction is quite a common issue in the Mercedes model lineup that uses the 48V auxiliary battery. Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. 00 2021 CLS450 this past August 7 and it ran great until yesterday afternoon when I received a message on my dash stating "48v battery malfunction". . Can't wait till the battery dies. 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. 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 Oct 7, 2022 · — TSB LI54. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. Mar 22, 2023 · Plaintiff Joseph Scattaglia Jr. 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 couple of months after taking delivery my car showed a red “12 volt battery not charging error” message. Mar 17, 2024 · Yes, there are major problems with the 48V battery in a wide range of Mercedes-Benz vehicles. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. A driver won't receive any 2021 Mercedes-Benz GLE 350 Battery. Even still, just because your battery isn't completely dead, doesn't mean it's operating at optimal levels. The ultimate problem with the 2021 Mercedes-Benz GLE model batteries is that they malfunction or fail. Lawsuit List Most Popular Apr 14, 2022 · We have been waiting for the delivery of a battery and no one seems to be able to locate a battery. 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. I should also say that the issue is common for all Mercedes engines equipped with Camtronic. Jan 24, 2021 · I bought a $95,000. The belt starter/generator (“BSG”) output 48v, nominally. 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. I see a lemon law coming. cfn ftqr nfrute czmp zsdyu xle ddbbh ugkyt flsv vbdr