Transport CanadaHigh Risk
2019 MERCEDES-BENZ MAYBACH S-CLASSTransport Canada Recall #2019357
The official notice
Defect
On certain vehicles equipped with the Driver Assistance Package, a software problem may cause the Active Brake Assist feature not to work properly. This could affect the feature’s ability to help reduce or avoid a crash. While the system will still provide audible and visual warnings, the autonomous braking might not occur.
Safety Risk
If the brake assist system does not function properly, there could be an increased risk of a crash.
Remedy
Mercedes-Benz will notify owners by mail and instruct them to take their vehicle to a dealer to update the radar sensor control unit software.
755 vehicles affectedUpdated June 10, 2026