The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly mounted to the seatbacks.
The risk
Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.
The fix
Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060010.
Recall details
| NHTSA campaign | 21V-406 (21V406000) |
|---|---|
| Manufacturer number | 2021060010 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Seats › Mid/rear assembly › Head restraint |
| Report date | May 28, 2021 |
| Owners notified | July 16, 2021 |
| Vehicles affected | 218 |
| Initiated by | Manufacturer |
Vehicles covered
Frequently asked questions
Is the recall 21V-406 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. 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 218 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.