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:

    2-zone automatic climate control
    Different temperatures can be set for the driver's and front-passenger sides. •► Turn the SmartKey to position 2 in the ignition lock. •► To increase/reduce: press button 9 or 12 u ...

    Using the TIREFIT kit
    You can use the TIREFIT kit to seal small punctures, particularly those in the tire tread. You can use TIREFIT at outside temperatures down to -4 °F (-20 °C). WARNING TIREFIT is a limited repa ...

    Chassis in detail: Dynamism meets comfort
    All models in the new M-Class range offer excellent comfort and superb driving dynamics as standard - both on the road and away from the tarmac. Besides the steel suspension with selective damping ...