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 walking speed.
You can activate the Hill Descent Control 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.
While you are actively braking, the system is on standby. The system does not brake the vehicle during this time.
See also:
Traffic bulletins on the map
"Traffic conditions/gray map" active:
The Control Display changes to a black and
white display. This enables a better view of the
traffic bulletins. The day/night mode is disregarded
...
Maintenance
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 avai ...
Radio ready state
Activate radio ready state:
▷ When the ignition is switched off: press ON/
OFF button on the radio.
▷ When the engine is running: press START/
STOP button.
Some electronic systems/p ...