2025 Mercedes-Benz AMG GLC63 S E, 2025 Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe, 2023 Mercedes-Benz AMG GT 63 S E Coupe and 4 other models Recall: A software error may cause the high-voltage starter alternator control…
NHTSA campaign 25V129000 · Electrical System · filed Feb 28, 2025 · verified Jul 30, 2026
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.
Affected vehicles
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Source: NHTSA recall database, campaign 25V129000 (manufacturer number 2025030012). Data last verified Jul 30, 2026.