Theft deterrent locking systems

See also:

Override feature for the rear side windows
WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. ...

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

Problems with the engine
Problem Possible causes/consequences and Solutions The engine does not start. The starter motor can be heard. • There is a malfunction in the engine electronics. • ...