Transport CanadaHigh Risk
2021 MERCEDES-BENZ S CLASSTransport Canada Recall #2021624
The official notice
Defect
On certain vehicles, the occupant classification system (OCS) may not work properly due to a software error. This could cause the airbag system to turn off the passenger-front airbag, even if an adult is seated in the front passenger seat. Note: If this happens, an airbag system warning message will display on the instrument panel. Additionally, the passenger airbag status display will show the message "Passenger Airbag Off".
Safety Risk
An airbag that is turned off could increase the risk of injury to a passenger in a crash.
Remedy
Mercedes-Benz will notify owners by mail and instruct you to take your vehicle to a dealer to update the airbag control unit software.
32 vehicles affectedMfr ref: 5499009Updated June 10, 2026