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:

    "Coupling up a trailer" function
    This function is only available on vehicles with a trailer tow hitch. 1 Center of the vehicle on the red guide line approximately 10 in (0.25 m) away from the rear area 2 Center of the vehic ...

    Connecting AUX equipment
    AUX drive The AUX drive jacks are located on the CD/DVD drive on the right next to the CD/DVD eject button. Displaying AUX The AUX display jacks are on the side of the screen. Audio and vide ...

    Mounting dimensions
    WARNING Only have a trailer tow hitch retrofitted at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. Mercedes-Benz reco ...