Pre-Safe (Anticipatory Occupant Protection System); Pre-Safe Plus (Anticipatory Occupant Protection System Plus) - Mercedes-Benz S-Class Operator's Manual

Occupant safety
56
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PRE-SAFE (anticipatory occupant
protection system)
Introduction
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PRE-SAFE takes preemptive measures to
protect occupants in certain hazardous
situations.
Important safety notes
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
Despite your vehicle being equipped with the
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PRE-SAFE system, the possibility of
personal injuries occurring as a result of an
accident cannot be eliminated.
Always adapt your driving style to suit the
prevailing road and weather conditions and
maintain a safe distance from the vehicle in
front. Drive carefully.
Function
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PRE-SAFE intervenes:
in emergency braking situations, e.g. when
R
BAS is activated.
in critical driving situations, e.g. when
R
physical limits are exceeded and the
vehicle understeers or oversteers severely.
vehicles with the Driving Assistance
R
package: when a driver assistance system
intervenes powerfully or the radar sensor
system detects an imminent danger of
collision in certain situations
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PRE-SAFE takes the following measures
depending on the hazardous situation
detected:
the front seat belts are pre-tensioned.
R
if the vehicle skids, the panorama roof with
R
power tilt/sliding panel and the side
windows are closed so that only a small gap
remains.
the front-passenger seat is adjusted if it is
R
in an unfavorable position.
vehicles with electrically adjustable
R
rear seats: the outer rear seats are
adjusted if they are in an unfavorable
position.
vehicles with a multicontour seat: the
R
air pressure in the side bolsters of the
backrest is increased.
vehicles with seat belt extenders: the
R
seat belts of the outer rear seats are pre-
tensioned.
If the hazardous situation passes without
resulting in an accident, PRE-SAFE
the belt pre-tensioning. On vehicles with
multicontour seats, the air pressure in the
side bolsters is reduced again. All settings
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made by PRE-SAFE
If the seat belts are not released:
When the vehicle is stationary, move the
X
backrest or seat back slightly.
The seat belt pre-tensioning is reduced and
the locking mechanism is released.
The seat-belt adjustment is an integral part of
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the PRE-SAFE convenience function. More
information about seat-belt adjustment can
be found under "Seat-belt adjustment"
( page 60).
Y
More information about PRE-SAFE
( page 56).
Y
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PRE-SAFE PLUS (anticipatory
occupant protection system PLUS)
General information
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PRE-SAFE PLUS is only available in vehicles
with the Driving Assistance package.
Using the radar sensor system, PRE-SAFE
PLUS is able to detect that a head-on or rear-
end collision is imminent. In certain
hazardous situations, PRE-SAFE
pre-emptive measures to protect the vehicle
occupants.
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slackens
can then be reversed.
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PLUS
®
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PLUS takes