The concept

The system is functional at speeds beginning at approx. 20 mph/30 km/h.

It maintains the speed that was set using the control elements on the steering wheel.

The system brakes on downhill gradients if engine braking action is insufficient.

Do not use the system if unfavorable conditions Unfavorable conditions
Do not use the system if unfavorable conditions make it impossible to drive at a constant speed, for instance:
► On curvy roads.
► In heavy traffic.
► On slippery roads, in fog, snow or rain, or on a loose road surface.
Otherwise, you could lose control of the vehicle and cause an accident.◄

    See also:

    Switching the high beams on and off manually
    Switching the high beams on and off manually   ▷ High beams on, arrow 1. ▷ High beams off/headlamp flasher, arrow 2. To reactivate the High-beam Assistant, briefly push the tu ...

    Message when the system was not reset
    A Check Control message is displayed. The system detected a wheel change but was not reset. Warnings regarding the current tire inflation pressure are not reliable. Check the tire inflation pre ...

    Protective action
    Airbags are not triggered in every impact situation, e.g., in less severe accidents or rear-end collisions. Information on how to ensure the optimal protective effect of the airbags ▷ ...