NHTSA recall 25V129000

Electrical System · Mercedes-Benz USA, LLC

February 28, 2025report date

2,943units affected

Vehicle recalltype

Details

What's wrong: A software error may cause the high-voltage starter alternator control unit to fail, causing a loss of drive power.

Why it matters: 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.

Affected vehicles on MotorDeets

All model years NHTSA lists

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, 2024 Mercedes-Benz Amg Gt63 S E, 2025 Mercedes-Benz Amg Gt63 S E, 2023 Mercedes-Benz Amg S 63 E 4Matic+, 2024 Mercedes-Benz Amg S 63 E 4Matic+, 2025 Mercedes-Benz Amg S 63 E 4Matic+, 2024 Mercedes-Benz Amg Sl63 S E, 2025 Mercedes-Benz Amg Sl63 S E.

Recalls can cover only some VINs. Check yours on NHTSA's official recall page for 25V129000.

Source: NHTSA recall records. Summary shortened; the official notice has the full text.