Activation conditions

You can activate the HOLD function if:
• the vehicle is stationary.
• the driver's door is closed or your seat belt is fastened.
• the electric parking brake is released.
• the hood is closed.
• the transmission is in position R, N or D.
The trunk lid must be closed in position R.
• DISTRONIC PLUS is deactivated.

    See also:

    SmartKey
    Display messages Possible causes/consequences and Solutions Key Does Not Belong to Vehicle You have put the wrong SmartKey in the ignition lock. Use the correct Smart ...

    EBD (electronic brake force distribution)
    Observe the "Important safety notes" section EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. WARNING If EBD has malfu ...

    MAX COOL maximum cooling
    The MAX COOL function is only available in vehicles for the USA. MAX COOL is only operational when the engine is running. The MAX COOL function is activated automatically: • if climate cont ...