Electrical system: propulsion systemRecall 25V-129 · Mercedes-Benz vehicles
Mercedes-Benz USA, LLC recall 25V-129 covers 2,943 Mercedes-Benz vehicles for a electrical system: propulsion system problem, reported to NHTSA on February 28, 2025. The manufacturer's latest report (2026 Q3) shows 97% of affected vehicles repaired.
Source: NHTSA recall 25V129000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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 fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
97%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.