Using the SmartKey

the The SmartKey must be close to the driver's door handle.

the driver's door handle. Point the tip of the SmartKey at the driver's door handle.
button until the side windows and Press and hold the the sliding sunroof or the panorama roof with power tilt/sliding panel are fully button until the side windows and the sliding sunroof or the panorama roof with power tilt/sliding panel are fully closed.
and the sliding sunroof or panorama roof with power tilt/sliding panel are Make sure that all the side windows and the sliding sunroof or panorama roof with power tilt/sliding panel are closed.

On vehicles with a panorama roof with power tilt/sliding panel:
button again until the roller Press and hold the sunblinds of the panorama roof with power tilt/sliding panel close. button again until the roller sunblinds of the panorama roof with power tilt/sliding panel close.
closing: release the  button. To interrupt convenience closing: release the Using KEYLESS-GO button.

    See also:

    Activating the rear view camera
    •► Make sure that the SmartKey is in position 2 in the ignition lock. •► Make sure that the "rear view camera" function is selected in COMAND (see the separate operating i ...

    Front fog lamps
    Only vehicles with front fog lamps have the fog lamps function. WARNING If you suspect that driving conditions will be foggy, turn the light switch to before you start your journey. O ...

    Tire pressure monitor warning messages
    If the tire pressure monitor detects a significant pressure loss on one or more tires, a warning message is shown in the multifunction display. A warning tone also sounds and the tire pressure war ...