2017–2020 Mercedes-Benz AMG C43, 2017–2020 Mercedes-Benz AMG C63, 2018–2021 Mercedes-Benz C 300 and 1 other model Recall: Front seat belts might not fully retract to their stowed position
NHTSA campaign 21V032000 · Seat Belts · filed Jan 29, 2021 · verified Jul 30, 2026
The defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
The risk
If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began February 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020010.
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.safercar.gov.
Affected vehicles
Related recalls
More Mercedes-Benz AMG C43 recalls
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- 2023–2024 Mercedes-Benz AMG C43 and 23 other models — 80-Amp fuses may have been manufactured incorrectly, which…
- 2023 Mercedes-Benz AMG C43 and 27 other models — Please refer to MBUSA's recall report for specific vehicle…
- 2017–2020 Mercedes-Benz AMG C43 and 28 other models — Please refer to MBUSA's recall report for specific vehicle…
Other campaigns involving Mercedes-Benz vehicles
- 2026 Mercedes-Benz AMG GLE53 4MATIC+ and 13 other models — Bolts for the rear seat belts may not be tightened properly
- 2026 Mercedes-Benz CLA 250+ (ev) and 1 other model — Front passenger seat belt retractor may have been…
- 2025–2026 Mercedes-Benz AMG C43 4MATIC and 34 other models — Infotainment control unit may reset while the vehicle is in…
All Mercedes-Benz AMG C43 recalls → · All Mercedes-Benz recalls →
Source: NHTSA recall database, campaign 21V032000 (manufacturer number 2021020010). Data last verified Jul 30, 2026.