High-Voltage Battery Software Error/FMVSS 305A high-voltage battery monitoring system that does not alert the driver of a battery malfunction may increase the risk of a crash, injury, or fire.
NHTSA Campaign Number: 23V309000
Manufacturer Mercedes-Benz USA, LLC
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 3,823
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 EQE 350, S580e, 2022-2023 EQS 450, EQS 580, 2022 AMG EQS 53, and EQS 450+ vehicles. The high-voltage battery monitoring system software may not alert the driver of a battery malfunction. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 305, “Electric-powered vehicles: Electrolyte Spillage and Electrical Shock Protection.”
Remedy
Dealers will update the battery management system software, free of charge. Owner notification letters are expected to be mailed June 27, 2023. Owners may contact MBUSA customer service at 1-800-367-6372.