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:

    Drinking and driving
    WARNING Drinking and driving and/or taking drugs and driving are very dangerous combinations. Even a small amount of alcohol or drugs can affect your reflexes, perceptions and judgment. ...

    Switching on/off
    The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. - Make sure that ...

    Important safety notes
    WARNING Grains of sand, particles of dirt and other abrasive materials can enter the brake system. This can lead to excessive wear and unpredictable braking efficiency. After the brakes have ...