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:

    Notes on using 3-zone automatic climate control
    The following contains instructions and recommendations to enable you to get the most out of your automatic climate control. • Activate climate control using the and buttons. The indicator la ...

    Interior
    In all C-Class models, five passengers may revel in a sizable wood-trimmed interior with leather and vinyl upholstery. Full leather is available. Powered front seats have ample rearward travel to ...

    Activating/deactivating climatecontrol
    Important information WARNING   When the climate control system is deactivated, the outside air supply and circulation are also deactivated. Only choose this setting for a short time. O ...