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Occupant safety
56
on the front-passenger side deploys under the
following conditions:
an occupant is detected in the front-
-
passenger seat or
the belt tongue is engaged in the belt
-
buckle of the front-passenger seat
Windowbag on the side on which an impact
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occurs, independently of seat belt usage and
regardless of whether the front-passenger
seat is occupied
Seat belt tensioners, if the system determines
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that deployment can offer additional protec-
tion for the vehicle occupants in this situation
Windowbags on the driver's and front-
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passenger side in certain situations if the
vehicle overturns and if the system deter-
mines that deployment can offer additional
protection to that provided by the seat belt
i
Not all airbags are deployed in an accident.
The different airbag systems work independ-
ently of each other.
How the airbag system works is determined
by the severity of the accident detected,
especially the vehicle deceleration or accel-
eration, and the apparent type of accident:
frontal collision
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side impact
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overturn
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®
PRE-SAFE
(anticipatory occupant
protection)
Introduction
In certain hazardous situations, PRE-SAFE
takes pre-emptive measures to protect the vehi-
cle occupants.
Important safety notes
!
Make sure that there are no objects in the
footwell or behind the seats. There is a risk
that the seats and/or the objects could be
damaged when PRE-SAFE
Although your vehicle is equipped with PRE-
®
SAFE
, the possibility of injury in the event of an
accident cannot be ruled out. 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.
®
®
is activated.
Function
®
PRE-SAFE
intervenes:
in emergency braking situations, e.g. when
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BAS is activated
in critical driving situations, e.g. when physi-
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cal limits are exceeded and the vehicle under-
steers or oversteers severely
on vehicles with the Driving Assistance pack-
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age: if BAS PLUS intervenes powerfully or the
radar sensor system detects an imminent
danger of collision in certain situations
®
PRE-SAFE
takes the following measures
depending on the hazardous situation detected:
the front seat belts are pre-tensioned.
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if the vehicle skids, the side windows and the
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sliding sunroof are closed.
vehicles with the memory function: the front-
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passenger seat is adjusted if it is in an unfav-
ourable position.
vehicles with a multicontour seat: the air pres-
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sure in the side bolsters of the backrest is
increased.
If the hazardous situation passes without result-
ing in an accident, PRE-SAFE
pre-tensioning. On vehicles with multicontour
seats, the air pressure in the side bolsters is
reduced again. All settings made by PRE-SAFE
can then be reversed.
If the seat belt pre-tensioning is not reduced:
Move the seat backrest or seat back slightly
X
when the vehicle is stationary.
Seat belt pre-tensioning is reduced and the
locking mechanism is released.
The seat-belt adjustment is an integral part of
®
the PRE-SAFE
convenience function. Informa-
tion about the convenience function can be
found under "Belt adjustment" (
®
PRE-SAFE
PLUS (anticipatory occu-
pant protection PLUS)
Introduction
®
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 sit-
®
slackens the belt
®
page 46).
Y
®
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