NHTSA campaign 25V129000 · Manufacturer campaign 2025030012

Mercedes Benz Recall 25V-129: Software Error May Cause Loss of Drive Power

NHTSA recall 25V129000 (Manufacturer campaign 2025030012) was reported by Mercedes-Benz USA, LLC on February 28, 2025, with 2,943 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz AMG S 63 E 4MATIC+, Mercedes Benz AMG GT63 S E, Mercedes Benz AMG SL63 S E and more for model years 2023–2025. Owners were notified on April 11, 2025, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 25V129000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Mercedes Benz VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
25V129000 (also written 25V-129 or 25V129)
Filed by
Mercedes-Benz USA, LLC
Manufacturer campaign number
2025030012
Report received
Potentially affected
2,943 vehicles (per NHTSA)
Component
Electrical System — Propulsion System
Owners notified

Repair completion: 96.53% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 25V129000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Mercedes Benz

  • Mercedes Benz AMG GLC63 S E

  • Mercedes Benz AMG GLC63 S E 4MATIC+ COUPE

  • Mercedes Benz AMG GT63 S E

  • Mercedes Benz AMG GT 63 S E Coupe

  • Mercedes Benz AMG S 63 E 4MATIC+

  • Mercedes Benz AMG SL63 S E

All Mercedes Benz recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 25V129000.

Defect description

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 consequence

A loss of drive power increases the risk of a crash.

Manufacturer 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.

Sources

Official NHTSA notice for recall 25V129000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.