The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG SL55 and AMG SL63 vehicles. The electrical wiring harness for the starter and alternator may not be secured properly, which can result in a short circuit and a loss of drive power or cause the harness to overheat.
The risk
A loss of drive power can increase the risk of a crash, and an overheated electrical wiring harness can increase the risk of a fire.
The fix
Dealers will secure the electrical wiring harness for the starter and alternator, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023100014.
Recall details
| NHTSA campaign | 23V-676 (23V676000) |
|---|---|
| Manufacturer number | 2023100014 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Electrical system › Wiring |
| Report date | October 6, 2023 |
| Owners notified | November 20, 2023 |
| Vehicles affected | 5,326 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the electrical system
Frequently asked questions
Is the recall 23V-676 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will secure the electrical wiring harness for the starter and alternator, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 5,326 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.