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
    0. To remove the SmartKey (shift the transmission to position P) 1. Power supply for some consumers, such as the windshield wipers 2. Ignition (power supply for all consumers) and driv ...

    On-board diagnostics interface
    WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while drivin ...

    Problems with the rear window defroster
    The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the batter ...