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Occupant safety
58
Emergency Tensioning Devices, if the system
R
determines that deployment can offer addi-
tional protection in this situation
Head bags on the driver's and front-
R
passenger side in certain situations when the
vehicle rolls over, if the system determines
that deployment can offer additional protec-
tion to that provided by the seat belt
i
Not all air bags are deployed in an accident.
The different air bag systems work independ-
ently of each other.
How the air bag 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
R
Side impact
R
Rollover
R
®
PRE-SAFE
(anticipatory occupant
protection system)
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 danger
that the seats and/or objects could be dam-
aged when PRE-SAFE
Despite your vehicle being equipped with the
PRE-SAFE
®
system, the possibility of personal
injuries occurring as a result of an accident can-
not 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.
®
®
is activated.
Function
®
PRE-SAFE
intervenes:
in emergency braking situations, e.g. when
R
BAS is activated
in critical driving situations, e.g. when physi-
R
cal limits are exceeded and the vehicle under-
steers or oversteers severely
vehicles with the Driving Assistance package:
R
when a driver assistance system intervenes
powerfully or the radar sensor system detects
an imminent danger of collision in certain sit-
uations
®
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 front side windows are
R
closed.
vehicles with the memory function for the
R
front-passenger seat: the front-passenger
seat is adjusted if it is in an unfavorable posi-
tion.
If the hazardous situation passes without result-
ing in an accident, PRE-SAFE
pre-tensioning. 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.
The 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 system 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-
®
uations, PRE-SAFE
PLUS takes pre-emptive
measures to protect the vehicle occupants.
®
slackens the belt
®
page 48).
Y
®
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