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

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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:

    Setting the front-compartment airflow using the front control panel
    You can select different airflow settings for the driver's and front-passenger sides as well as for the rear compartment. You can also use COMAND to set the airflow. Turn the SmartKey to positi ...

    Restarting the tire pressure loss warning system
    Restart the tire pressure loss warning system if you have: • changed the tire pressure • changed the wheels or tires • mount new wheels or tires   Before restarting, consult the Tire and ...

    Seating & Cargo
    The front seats have a litany of power adjustments, including optional side-bolster adjustments. Even with the bolsters and lumbar support dialed all the way back, I found the seats stiff. That's ...