Transport CanadaCritical
2018 MERCEDES-BENZ S CLASSTransport Canada Recall #2019584
The official notice
Defect
On certain S560 4Matic models, a bolt for an engine timing chain wheel could come loose. If this happens, the timing chain may skip and cause severe engine damage. As a result, the engine could stall or fail.
Safety Risk
A loss of engine power could increase the risk of a crash.
Remedy
Mercedes-Benz will notify owners by mail and instruct you to take your vehicle to a dealer to replace the engine.
2 vehicles affectedMfr ref: 0591014Updated June 10, 2026