Assistance at risk of rear-end collision*
Assistance at risk of rear-end 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.
Other vehicle in the blind spot
Your 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.