Recall 25V-129: 2025 Mercedes-Benz AMG GLC63 S E, 2025 Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe and 4 more

Mercedes-Benz USA, LLC recall for electrical system, reported to NHTSA on Feb 28, 2025, covering about 2,943 vehicles.

NHTSA number
25V-129
Report date
Feb 28, 2025
Vehicles affected
2,943
Owners notified
Apr 11, 2025

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.

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.

Recall details

ManufacturerMercedes-Benz USA, LLC
ComponentElectrical System › Propulsion System
Recall started bythe manufacturer
NHTSA campaign number25V129000

Vehicles in this recall

VehicleModel years
Mercedes-Benz AMG GLC63 S E2025All years
Mercedes-Benz AMG GLC63 S E 4MATIC+ Coupe2025All years
Mercedes-Benz AMG GT 63 S E Coupe2023All years
Mercedes-Benz AMG GT63 S E2024, 2025All years
Mercedes-Benz AMG S 63 E 4MATIC+2023, 2024, 2025All years
Mercedes-Benz AMG SL63 S E2024, 2025All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 25V-129?

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.

How is recall 25V-129 fixed?

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.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.