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:

    Working on the vehicle
    WARNING When working on the vehicle, engage the parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in an accide ...

    Trailer towing
    - Drive in the middle of the engine speed range on uphill gradients. - Depending on the uphill or downhill gradient, shift down into shift range 3 or 2, even if cruise control or DISTRONIC PL ...

    Mounting a new wheel
    WARNING Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to drive und ...