See also:

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Be ...

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. ...

Showing/hiding the menu
This function is not available while the DVD's own menu is being displayed. To show: press the COMAND controller. or Select Menu while the navigation menu is shown and press to confirm. ...