NHTSA (USA)Critical

February 28, 2025

2023–2025 MERCEDES-BENZ AMG SL63 S ENHTSA Campaign #25V129000

ELECTRICAL SYSTEM:PROPULSION SYSTEM

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 AMG GT 63 S E Performance 4-door coupe, 2025 AMG GLC 63 S E Performance, GLC 63 S E Performance Coupe, AMG GT 63 S E Performance, 2023-2025 AMG S 63 E Performance, and 2024-2025 AMG SL 63 S E Performance vehicles with a hybrid powertrain. A software error may cause the high-voltage starter alternator control unit to fail, causing a loss of drive power.

Safety Risk

A loss of drive power increases the risk of a crash.

Remedy

Dealers will update the high-voltage starter alternator control unit software, free of charge. Owner notification letters were mailed April 11, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025030012.

2,943 vehicles affectedMfr ref: 2025030012