Automatic engine start

The engine is started automatically if you:

 - release the brake pedal when HOLD is not activated and the transmission is in position D or N
 - shift the transmission to position R
 - depress the accelerator pedal
 - have switched off the ECO start/stop function by pressing the ECO button
 - switch to drive program S, S+ or M
 - unfasten your seat belt or open the driver's door

http://strategic-human-resource.com/

The engine is also started automatically if:

 - the vehicle starts to roll.
 - the brake system requires this.
 - the system detects moisture on the windshield when the air-conditioning system is switched on.
 - the charge level of the battery is too low.
 - the driver's seat belt is removed or the driver's door is opened.

    See also:

    Resetting
    Reset the sliding sunroof if it does not move smoothly. Turn the SmartKey to position 2 in the ignition lock. Raise the sliding sunroof fully at the rear. Keep the switch pressed for ...

    Changing gea
    The automatic transmission shifts to the individual gears automatically when it is in transmission position D. This automatic gearshifting behavior is determined by:  - a shift range restr ...

    Correct use
    Observe the following information when using COMAND: • the safety notes in this manual • all road traffic regulations Work improperly carried out on electronic components or systems (e.g. ...