On fifty-four Mercedes S-Class models, the door locks may not operate as expected. This situation could affect the safe exiting of the vehicle in a crash or the protection against the accidental opening of the rear door by a child.
A front suspension ball joint may fail, resulting in a loss of steering control, increasing the risk of a crash.
There are several computers in the vehicle and each computer requires proper software to operate the each vehicle system. One particular software calibration on this vehicle was erroneous from the factory and could keep the fuel system powered after an accident. This can cause fuel to continue to flow even after an accident.
Vehicles equipped with the Flex-N-Gate trailer hitch feature a hitch receiver welded to an attachment bar. This then bolts to the frame as the trailer hitch. There is concern that the weld that attaches the receiver to the bar may be insufficient in strength. The hitch could come apart, which could become a road hazard.
An internal fault with the module that controls certain vehicle functions may cause it to fail, increasing the risk of a crash.
The engine may stall and not restart due to a faulty crankshaft sensor.
The rear outboard seat belts may not latch correctly when used with certain child safety seats, increasing the risk of injury in the event of a crash.