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:

    Notes for 4MATIC vehicles
    Vehicles with 4MATIC must not be towed with either the front or the rear axle raised, as doing so will damage the transmission. If the vehicle has transmission damage or damage to the front or ...

    2008 Mercedes-Benz S-Class Review
    When a car costs as much as a house, as the Mercedes-Benz S-Class does, it makes you take a step back. Can a car this expensive really be worth it? After spending a week with an S550, I can tell y ...

    Matte finish care
    If your vehicle has a clear matte finish, observe the following instructions in order to avoid damage to the paintwork due to incorrect care. These notes also apply to light alloy wheels with ...