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Vehicle recall 16V829000 · November 16, 2016

Mercedes-Benz AMG S63, S550 and 2 more models

The seat belt extenders on the affected vehicles may not retract as intended and may potentially break the event of a crash.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016-2017 S63 AMG Coupe, S65 AMG Coupe, S550 Coupe 4Matic, S63 AMG 4Matic Convertible, and S550 Convertible vehicles manufactured June 29, 2015, to March 15, 2016. The seat belt extenders on the affected vehicles may not retract as intended and may potentially break the event of a crash.
Consequence
In the event of a crash, if the seat belt extender does not retract and/or the extender breaks, the seat occupant may not be properly restrained, increasing their risk of injury.
Remedy
MBUSA will notify owners, and dealers will update the control unit software, free of charge. The recall is expected to begin in mid-December 2016. Owners may contact MBUSA customer service at 1-800-367-6372.
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.safercar.gov.

Recall details

NHTSA campaign
16V829000
Reported to NHTSA
November 16, 2016
Filed by
Mercedes-Benz USA, LLC.
Manufacturer campaign
2016110006
Owner notification
December 16, 2016
Vehicles potentially affected
672
Initiated by
the manufacturer
Components
Seat belts
Recall 16V829000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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