Switching off automatically

The system switches off and the LED goes out:

▷ After approx. 160 ft/50 m when driving forward.
▷ Above approx. 22 mph/36 km/h when driving forward.

Switch on the system again if necessary.

    See also:

    At a glance
    1. Rear fog lamps 2. Front fog lamps 3. Automatic headlamp control, Adaptive Light Control , High-beam Assistant, Welcome lamps, daytime running lights 4. Lamps off, daytime running lights 5. ...

    The concept
    HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walki ...

    Deactivating HDC
    Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...