See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without requiring brake application, the vehicle moves at slightly more than twice wa ...

Video playback
Country codes Playback The video image is displayed on the Control Display up to a speed of approx. 2 mph/3 km/h; in some countries, it is only displayed while the parking brake is set or th ...

Activation/deactivation
Press the button. ...