See also:

The windshield wipers are obstructed
Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. - For safety reasons, you should remove the SmartKey from the ignition lock. ...

Resetting the panorama roof with power tilt/sliding panel and the roller sunblinds
Reset the panorama roof with power tilt/ sliding panel and the roller sunblinds if the panorama roof with power tilt/sliding panel or the roller sunblinds do not move smoothly. Turn the SmartK ...

Maximum gradient-climbing capability
For good road surface conditions, the maximum gradient-climbing capability is 100%, which corresponds to an approach/ departure angle of 45°. Note that the vehicle's gradient-climbing capability ...