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‐
vention by the driver in certain situations. This
can reduce the risk of a further collision and the
After coming to a halt, the brake is released auto‐
Harder vehicle braking
It can be necessary to bring the vehicle in certain
situations to a halt quicker.
To do this, for a short time the braking pressure
applied when stepping on the brake pedal must
be higher than the braking pressure achieved by
the automatic braking function. This interrupts
Interrupting automatic braking
It can be necessary to interrupt automatic brak‐
ing in certain situations, for instance for an eva‐
Interrupt automatic braking:
▷ By pressing the brake pedal.
▷ By pressing the accelerator pedal.
The system can detect decreasing alertness or
fatigue of the driver during long, monotonous
trips, for instance on highways. In this situation, it
is recommended that the driver takes a break.
The system cannot serve as a substitute for the
driver’s personal judgment in assessing one's
physical state. An increasing lack of alertness or
fatigue may not be detected or not be detected
in time. There is a risk of an accident. Make
sure that the driver is rested and alert. Adjust
driving style to traffic conditions.
The system is switched on each time drive-ready
state is switched on.
After travel has begun, the system monitors cer‐
tain aspects of the driver's behavior, so that de‐
creasing alertness or fatigue can be detected.
This procedure takes the following criteria into
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