See also:

Activating the rear view camera
Make sure that the SmartKey is in position 2 in the ignition lock. Engage reverse gear. The area behind the vehicle is shown in the COMAND display with guide lines. ...

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 ...

Dashboard fuse box
Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the dashboard or the cover. – To open: pull cover 1 outwards in the direction of ...