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NHTSA Recall 25V129000: Propulsion system (electrical system)

Mercedes-Benz USA, LLC reported this safety recall to NHTSA on , covering an estimated 2,943 vehicles. It affects 6 models including the Mercedes-Benz AMG GLC63 S E.

2,943
vehicles potentially affected
6
models affected
2025
owners notified (April 11)
NHTSA campaign25V129000
Manufacturer campaign2025030012
ComponentELECTRICAL SYSTEM › PROPULSION SYSTEM
Report receivedFebruary 28, 2025
Owner notificationApril 11, 2025
Initiated byManufacturer

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.

Safety risk

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.

Notes

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.

Vehicles covered by recall 25V129000

Make and modelModel years
Mercedes-Benz AMG GLC63 S E2025
Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe2025
Mercedes-Benz AMG GT 63 S E Coupe2023
Mercedes-Benz AMG GT63 S E2024, 2025
Mercedes-Benz AMG S 63 E 4MATIC+2023, 2024, 2025
Mercedes-Benz AMG SL63 S E2024, 2025

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.