NHTSA (USA)Critical
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG SL55 and AMG SL63 vehicles. The electrical wiring harness for the starter and alternator may not be secured properly, which can result in a short circuit and a loss of drive power or cause the harness to overheat.
Safety Risk
A loss of drive power can increase the risk of a crash, and an overheated electrical wiring harness can increase the risk of a fire.
Remedy
Dealers will secure the electrical wiring harness for the starter and alternator, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023100014.
5,326 vehicles affectedMfr ref: 2023100014Updated May 25, 2026