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Function
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
belts.
▷ Automatic window closing up to a narrow
gap.
▷ 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
setting.
PostCrash – iBrake
Concept
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
consequences thereof.
At standstill
After coming to a halt, the brake is released auto‐
matically.
Harder vehicle braking
In certain situations, it can be necessary to bring
the vehicle to a halt more quickly than the Brake
Assistant allows.
To do this, quickly apply extra force to the brake.
For a brief period, the braking pressure will be
higher than the braking pressure that is achieved
by the automatic braking function. This interrupts
automatic braking.
Interrupting automatic braking
It can be necessary to interrupt automatic brak‐
ing in certain situations, for instance for an eva‐
sive maneuver.
Interrupt automatic braking:
▷ By pressing the brake pedal.
▷ By pressing the accelerator pedal.
Fatigue alert
Concept
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.
Safety information
Warning
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 accident. Make sure
that the driver is rested and alert. Adjust driving
style to traffic conditions.
Function
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
account:
Seite 189
Safety
CONTROLS
189
Online Edition for Part no. 01402720839 - II/19
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