See also:

General notes
WARNING If the vehicle becomes trapped in snow, ensure that snow is kept away from the exhaust pipe and from around the vehicle as long as the engine is running. Otherwise, poisonous carbon ...

Setting the rear-compartment air distribution using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. Press rocker switch 13 or 16 up or down repeatedly until the desired air distribution symbol is shown in the display. ...

Assembling the ball coupling
Mercedes-Benz recommends that you have the ball coupling assembled at a qualified specialist workshop. Only a qualified specialist workshop has the necessary specialist knowledge and tool ...