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
• switch off the ECO start/stop function or switch to drive program S or M
• unfasten your seat belt or open the driver's door

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 temperature in the vehicle interior deviates from the set range.
• the charge level of the battery is too low.

    See also:

    Belt warning for the driver and front passenger
    Regardless of whether the driver and front passenger have fastened their seat belts already, the seat belt warning lamp lights up for 6 seconds after every engine start. It then goes out if t ...

    Function restrictions
    For safety reasons, some COMAND functions are restricted or unavailable while the vehicle is in motion. You will notice this, for example, because you will either not be able to select certain ...

    Transporting the vehicle
    The towing eyes or trailer tow hitch can be used to pull the vehicle onto a trailer or transporter if you wish to transport it. – Turn the SmartKey to position 2 in the ignition lock. – Shift ...