Mercedes-Benz Recall 23V-309: Electrical system – software

Affected: 2022 Mercedes-Benz AMG EQS 53, 2022–2023 Mercedes-Benz EQS450, 2022 Mercedes-Benz EQS450+ and 2 more. Filed with NHTSA on May 2, 2023, covering about 3,828 vehicles.

The problem

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."

The risk

A high-voltage battery monitoring system that does not alert the driver of a battery malfunction may increase the risk of an injury.

The fix

Dealers will update the battery management system software, free of charge. Owner notification letters were mailed beginning August 18, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070013.

Recall details

NHTSA campaign23V-309 (23V309000)
Manufacturer number2023070013
ManufacturerMercedes-Benz USA, LLC
ComponentElectrical system › Propulsion system › Traction battery thermal › Management › Software
Report dateMay 2, 2023
Owners notifiedAugust 18, 2023
Vehicles affected3,828
Initiated byManufacturer

Vehicles covered

Owner complaints about the electrical system

Frequently asked questions

Is the recall 23V-309 repair free?

Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will update the battery management system software, free of charge. Owner notification letters were mailed beginning August 18, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070013.

How do I know if my car is included?

Not every vehicle of the listed model years is affected — the recall covers 3,828 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.