Malfunction

HDC is temporarily unavailable in the following situations due to a high brake temperature:

▷ The LED in the button and the display HDC go out during HDC operation.
▷ The LED in the button and the HDC display do not light up when the button is pressed.

    See also:

    Calling up the desired speed and distance
    While driving Press the button with the system switched on. In the following cases, the stored speed value is deleted and cannot be called up again: ▷ When the system is switched off ...

    The concept
    DSC prevents traction loss in the driving wheels when driving away and accelerating. DSC also recognizes unstable vehicle conditions, such as fishtailing or nose-diving. Subject to physical lim ...

    Coolant temperature
    Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...