The 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.
The risk
A loss of drive power increases the risk of a crash.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mercedes-Benz AMG GLC63 S E | 2025 |
| Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe | 2025 |
| Mercedes-Benz AMG GT 63 S E Coupe | 2023 |
| Mercedes-Benz AMG GT63 S E | 2024, 2025 |
| Mercedes-Benz AMG S 63 E 4MATIC+ | 2023, 2024, 2025 |
| Mercedes-Benz AMG SL63 S E | 2024, 2025 |
Components: ELECTRICAL SYSTEM:PROPULSION SYSTEM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mercedes-Benz AMG GLC63 S E | 2025 | 0 | 3 |
| Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe | 2025 | 0 | 3 |
| Mercedes-Benz AMG GT 63 S E Coupe | 2023 | 0 | 1 |
| Mercedes-Benz AMG GT63 S E | 2024 | 0 | 1 |
| Mercedes-Benz AMG GT63 S E | 2025 | 0 | 1 |
| Mercedes-Benz AMG S 63 E 4MATIC+ | 2023 | 0 | 1 |
| Mercedes-Benz AMG S 63 E 4MATIC+ | 2024 | 0 | 2 |
| Mercedes-Benz AMG S 63 E 4MATIC+ | 2025 | 0 | 2 |
| Mercedes-Benz AMG SL63 S E | 2024 | 0 | 2 |
| Mercedes-Benz AMG SL63 S E | 2025 | 0 | 1 |
Other electrical system recalls in 2025
148 of the 891 recall campaigns reported to NHTSA in 2025 concerned the electrical system; Mercedes-Benz USA, LLC filed 180 campaigns in all.
| 25V914000 31 Dec 2025 | Braun Industries, Inc. |
| 25V906000 23 Dec 2025 | BMW of North America, LLC |
| 25V911000 23 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V905000 23 Dec 2025 | Tiffin Motorhomes, Inc. |
| 25V897000 19 Dec 2025 | Blue Bird Body Company |
| 25V895000 19 Dec 2025 | Coach and Equipment Mfg. Corp. |
| 25V894000 19 Dec 2025 | Mercedes-Benz USA, LLC |
| 25V886000 18 Dec 2025 | Ford Motor Company |
NHTSA recalls (public domain) · all recalls of 2025