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Mercedes-Benz C 300 Recall 21V406: Rear Headrests May Detach in a Crash

NHTSA campaign 21V406, reported May 28, 2021, 218 vehicles potentially affected.

What this recall means for you

Certain 2021 Mercedes-Benz convertibles may have rear head restraints that are not mounted correctly to the seatbacks. The headrests could move or come loose from the seat during a crash.

If a rear headrest moves or detaches in a collision, the risk of injury to rear-seat occupants increases. Owners should take this recall seriously even if the vehicle seems to work normally.

The repair is free. An authorized Mercedes-Benz dealer will inspect the rear seatback guide bushings and replace them if necessary. Owner notification letters were mailed July 16, 2021. To check whether your vehicle is included, look up your VIN for open recalls, or contact Mercedes-Benz USA customer service at 1-800-367-6372 and reference recall number 2021060010.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V406Mercedes-Benz USA, LLC
Component
SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT
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.
Risk
Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.
Remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Mercedes-Benz AMG C432021
Mercedes-Benz AMG C632021
Mercedes-Benz AMG C63S2021
Mercedes-Benz AMG E532021
Mercedes-Benz C 3002021
Mercedes-Benz E 4502021