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This procedure takes the following criteria into
account:
▷ Personal driving style, for instance steering
behavior.
▷ Driving conditions, for instance length of trip.
Starting at approximately 43 mph/70 km/h, the
system is active and can display a recommenda‐
tion to take a break.
Break recommendation
If the driver becomes less alert or fatigued, a
message is displayed in the Control Display with
the recommendation to take a break.
A recommendation to take a break is displayed
only once during an uninterrupted trip.
After a break, another recommendation to take a
break cannot be displayed until after approxi‐
mately 45 minutes.
System limits
The function may be limited in the following sit‐
uations, for instance and will either output an in‐
correct warning or no warning at all:
▷ When the clock is set incorrectly.
▷ When the vehicle speed is mainly below
about 43 mph/70 km/h.
▷ With a sporty driving style, such as during
rapid acceleration or when cornering fast.
▷ In active driving situations, such as when
changing lanes frequently.
▷ When the road surface is poor.
▷ In the event of strong side winds.
The system is reset approx. 45 minutes after
parking the vehicle, for instance in the case of a
break during longer trips on highways.
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.
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
automatic braking.
Interrupting automatic braking
It can be necessary to interrupt automatic brak‐
ing in certain situations, for example for an eva‐
sive maneuver.
Interrupt automatic braking:
▷ By pressing the brake pedal.
▷ By pressing the accelerator pedal.
At standstill
After coming to a halt, the brake is released auto‐
matically.
Seite 168
CONTROLS
Safety
168
Online Edition for Part no. 01402896390 - X/18
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