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:

    New dimensions in energy efficiency
    The performance of the Mercedes-Benz M-Class engines becomes particularly apparent when looking at the reduced energy requirements coupled with a marked increase in power output per litre for the ...

    Vehicles without extended Off-Road Proengineering package
    Basic setting The extent to which the vehicle is raised or lowered depends on the basic setting selected. Select: • Raised level, for driving on normal off-road terrain • Highway/high-speed ...

    Changing a wheel
    Flat tire The "Breakdown assistance" section contains information and notes on how to deal with a flat tire. It also provides instructions on changing a wheel or mounting the spare wh ...