▷ During normal brake application, the outer
brake lights light up.
▷ During heavy brake application, the inner
brake lights additionally light up.
Active Protection prepares occupants and the
vehicle for a possible accident in critical driving or
Active Protection consists of various PreCrash
functions, which can vary depending on the
The system is used to detect certain critical driv‐
ing situations that might lead to an accident. This
includes the following critical driving situations:
▷ Emergency stop.
▷ Severe understeering.
▷ Severe oversteering.
Certain functions of several systems can, within
the system limits, lead to Active Protection trig‐
▷ Front collision mitigation: automatic brake in‐
▷ Front collision mitigation: Brake Assistant.
▷ Rear collision preparation: detection of immi‐
nent rear collisions.
The system cannot serve as a substitute for the
driver’s personal judgment. Due to the system
limits, critical situation could not be detected
reliably or in time. There is a risk of accident.
Adjust driving style to traffic conditions. Watch
traffic closely and actively intervene where ap‐
When the safety belt is fastened, the driver's and
passenger's belt straps are automatically tight‐
ened once after driving away.
In accident-critical situations, the following indi‐
vidual functions become active as needed:
▷ Automatic pretensioning of the front safety
▷ Automatic window closing up to a narrow
▷ Automatic closing of the panoramic glass
sunroof, including sun protection.
▷ For vehicles equipped with comfort seats in
the front: automatic positioning of the back‐
rest for the front passenger seat.
After a critical driving situation without an acci‐
dent, the front safety belts are loosened again.
If the belt tension does not loosen automatically,
stop the vehicle and unbuckle the safety belt us‐
ing the red button in the buckle. Fasten the
safety belt before continuing on your trip.
All other systems can be restored to the desired
PostCrash – iBrake
In the event of an accident, the system can bring
the vehicle to a halt automatically without inter‐
Online Edition for Part no. 01405A10E93 - VI/20