See also:

Preparing the vehicle
Stop the vehicle as far away as possible from traffic on solid, non-slippery and level ground. Switch on the hazard warning lamps. Firmly depress the parking brake. Bring the front wheels ...

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 ...

KEYLESS-GO
General information Vehicles with KEYLESS-GO are equipped with a SmartKey featuring an integrated KEYLESSGO function and a detachable Start/Stop button. The Start/Stop button must be inserted ...