NHTSA Campaign 25V129000
ELECTRICAL SYSTEM:PROPULSION SYSTEM
Issued by Mercedes-Benz USA, LLC · Reported Feb 28, 2025 · 2,943 vehicles affected
What's wrong
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.
Consequence
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.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MERCEDES-BENZ | AMG GLC63 S E | 2025 | 2,943 |
| MERCEDES-BENZ | AMG GLC63 S E 4MATIC+ COUPE | 2025 | 2,943 |
| MERCEDES-BENZ | AMG GT 63 S E COUPE | 2023 | 2,943 |
| MERCEDES-BENZ | AMG GT63 S E | 2024 | 2,943 |
| MERCEDES-BENZ | AMG GT63 S E | 2025 | 2,943 |
| MERCEDES-BENZ | AMG S 63 E | 2023 | 2,943 |
| MERCEDES-BENZ | AMG S 63 E | 2024 | 2,943 |
| MERCEDES-BENZ | AMG S 63 E | 2025 | 2,943 |
| MERCEDES-BENZ | AMG SL63 S E | 2024 | 2,943 |
| MERCEDES-BENZ | AMG SL63 S E | 2025 | 2,943 |
Source: NHTSA Campaign 25V129000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.