Assistance at risk of rear-end collision*

Assistance at risk of collision1 can help a driver who does not notice that the car is about to leave its own lane while an oncoming vehicle is approaching at the same time, either from behind or in the blind spot.
P5-1717 - Blind Spot Information Systems with steering assistanse
The function can assist by steering the car back to its own lane.
  1. P5-Icon red circle 1Other vehicle in the blind spot
  2. P5-Icon red circle 2Your car

The function can even assist if the driver intentionally changes lanes using direction indicators without noticing that another vehicle is approaching.

The function is active within the speed range 60-140 km/h (37-87 mph) on roads with clearly visible lane markings/lines.

The lamps in the door mirrors flash during steering intervention, regardless of whether BLIS*2 is activated. An acoustic signal can also be heard.

When the function intervenes, a message is shown in the driver display.


Warnings and steering assistance due to an impending collision with an oncoming vehicle always come very late.


This function uses the car's camera and radar units, which have certain general limitations.
  1. * Option/accessory.
  2. 1 Collision Avoidance
  3. 2 Blind Spot Information