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Vehicle recall 25V129000 · February 28, 2025

Mercedes-Benz AMG GT63 S E, AMG S 63 E and 5 more models

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

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Consequence
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.

Recall details

NHTSA campaign
25V129000
Reported to NHTSA
February 28, 2025
Filed by
Mercedes-Benz USA, LLC
Manufacturer campaign
2025030012
Owner notification
April 11, 2025
Vehicles potentially affected
2,943
Initiated by
the manufacturer
Components
Electrical system › Propulsion system
Recall 25V129000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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