The concept
The system issues a two-phase warning of a danger of collision at speeds above approx.
10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation.
The collision warning is available even if cruise control has been deactivated.

It responds to stationary or moving objects that are within the detection range of the radar system.
When the vehicle is intentionally brought into contact with a vehicle, the collision warning is delayed to avoid false warnings.
See also:
Adjusting manually
Forward/backward
Forward/backward
Pull the lever and slide the seat into the desired
position. After releasing the lever, move the seat
forward or back slightly to make sure it engages
prope ...
Adaptive brake assistant
In combination with the Active Cruise Control,
this system ensures that the brakes respond
even more rapidly when braking in critical situations.
Refer also to Collision warning ...
Knob in the instrument cluster
Press the knob.
▷ When the ignition is switched on, the trip
odometer is reset.
Press the knob for approx. 5 seconds:
View service requirement display
▷ When the ignition is switched ...
