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 walking speed.

Hill Descent Control can be activated at speeds below approx. 22 mph/35 km/h. When driving downhill, the vehicle reduces its speed to approx.

twice walking speed and then keeps its speed constant.

As long as there is active braking, the system is on standby. The system does not brake the vehicle during this time.

Use HDC in low gears or in transmission position D or R only.

    See also:

    Distance
    Selecting a distance Adjust the distance according to the traffic and weather conditions; otherwise, there is the danger of an accident occurring. Maintain the prescribed safety distance. ...

    Start/Stop button
    Pressing the Start/Stop button switches radio readiness or the ignition on or off. Manual transmission: if you press the Start/Stop button and depress the clutch, the engine starts. Automatic ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...