NHTSA Complaint #11561635 — 2021 MERCEDES-BENZ GLS450

ELECTRICAL SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11561635
Vehicle	2021 MERCEDES-BENZ GLS450
Component	ELECTRICAL SYSTEM
Date of Incident	December 8, 2023
Date Filed	December 23, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	VA

Consumer Description

We accepted delivery of our brand new vehicle in May 2021 from the dealer. In July 2021, the vehicle became completely disabled due to failure of the 48 volt battery. In October 2021, the dealer replaced 48 volt battery failed again causing the vehicle to become completely disabled. In December 2023, our 3rd replacement 48 volt battery failed. Each time the vehicle is out of service for a week or longer. The dealer is not providing any information about what may be causing the failures. Vehicle has become completely unreliable and dangerous. Mercedes Benz USA has offered us a 200 service credit and 3,000 off a new vehicle and advised they are not aware of any defects.

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