Activation conditions

You can activate the HOLD function if:

 - the vehicle is stationary.
 - the engine is running.
 - the driver's door is closed or your seat belt is fastened.
 - the parking brake is not applied.
 - the hood is closed.
 - the transmission is in position D, R or N.
 - DISTRONIC PLUS is deactivated.

    See also:

    Trailer towing
    When towing a trailer and driving downhill, shift to the lower gear if the automatic transmission constantly shifts between two gears. Engaging a lower gear and reducing the speed reduces the ...

    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 wheel/emerge ...

    Tire pressure
    This is pressure inside the tire applying an outward force to each square inch of the tire's surface. The tire pressure is specified in pounds per square inch (psi), in kilopascal (kPa) or in ...