KNOWN FAULTS · Mercedes-Benz
Mercedes-Benz AMG GT 4-Door Coupé (X290) 63 S E Performance common problems.
2018–2026 · Plug-in hybrid
Sources are not verified in real time and no entry confirms that your car is affected.
1 known fault with sources
Applies if: US recall; in Europe, ask by VIN.
Loss of drive from the high-voltage starter-alternator control unit (AMG 63 S E Performance)High-voltage battery
- Engine / equipment
- Mercedes-AMG 63 S E Performance plug-in hybrids: GT 4-door, S 63, SL 63, GLC 63 and AMG GT
- Period mentioned
- 2023–2025
- Symptoms
- Hybrid-system fault warnings and sudden loss of drive.
- Possible cause described
- A software error may make the high-voltage starter-alternator control unit fail, leaving the car without drive. US recall 25V-129 (2,943 cars; on the GT 4-door, model years 2023–2024): the unit’s software is updated.
- Check for the garage
- Ask by VIN at a Mercedes dealer whether the starter-alternator unit software has been updated.
- Cost cited in the source
- Free under the recall.A rough figure from the original database, not an up-to-date quote.