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NHTSA Recall 21V527000: Air bags: side impact

Mercedes-Benz USA, LLC reported this safety recall to NHTSA on , covering an estimated 542 vehicles. It affects 13 models including the Mercedes-Benz AMG CLS53.

542
vehicles potentially affected
13
models affected
2021
owners notified (September 3)
NHTSA campaign21V527000
Manufacturer campaign2021070032/33
ComponentAIR BAGS › SENSOR › SIDE IMPACT
Report receivedJuly 12, 2021
Owner notificationSeptember 3, 2021
Initiated byManufacturer

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.

Safety risk

Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.

Remedy

Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.

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.

Vehicles covered by recall 21V527000

Make and modelModel years
Mercedes-Benz AMG CLS532021
Mercedes-Benz AMG E532021
Mercedes-Benz AMG G632020, 2021
Mercedes-Benz AMG GLC632020
Mercedes-Benz AMG GT432021
Mercedes-Benz AMG GT532021
Mercedes-Benz CLS 4502021
Mercedes-Benz E 3502021
Mercedes-Benz E 4502021
Mercedes-Benz G 5502020
Mercedes-Benz GLC 3002020, 2021
Mercedes-Benz S 4502020
Mercedes-Benz S 5602020

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.