i
After an air bag has been deployed, have
the vehicle towed to the nearest qualified
specialist workshop, even if your vehicle is
ready to drive.
Front air bags
The front air bags increase protection for the
driver's and front passenger's head and
chest.
Driver's air bag
:
deploys in front of the
steering wheel; front-passenger front air
bag
;
deploys in front of and above the glove
box.
They are deployed:
R
at the start of an accident with a high rate
of vehicle acceleration or deceleration in a
longitudinal direction
R
if the system determines that air bag
deployment can offer additional protection
to that provided by the seat belt
R
independently of other air bags in the
vehicle
The release time of the front air bags is
dependent upon the use of the seat belt.
If the vehicle rolls over, the front air bags are
generally not deployed. If the system detects
high vehicle deceleration in a longitudinal
direction, the front air bags are deployed.
Your vehicle has adaptive, two-stage front air
bags. In the event of a collision, the air bag
control unit evaluates the vehicle
deceleration. In the first deployment stage,
the front air bag is filled with enough
propellant gas to reduce the risk of injuries.
The front air bag is fully deployed if a second
deployment threshold is exceeded within a
few milliseconds.
The deployment of front-passenger front air
bag
;
is also influenced by the weight
category of the front passenger, which is
determined by the Occupant Classification
System (OCS) (
Y
page 49).
The lighter the passenger-side occupant, the
higher the vehicle deceleration rate required
(predicted at the start of the impact) for
second stage inflation of the front-passenger
front air bag. In the second stage, the front
air bags are inflated with the maximum
amount of propellant gas available.
The front air bags are not deployed in
situations where a low impact severity is
predicted. You will then be protected by the
fastened seat belt.
The front-passenger front air bag will only be
deployed if:
R
the system, based on the OCS weight
sensor readings, detects that the front-
passenger seat is occupied
R
the PASSENGER AIR BAG OFF indicator
lamp on the center console is not lit
(
Y
page 49)
R
the air bag control unit predicts a high-
impact severity
Driver's knee bag
46
Occupant safety
Safe
ty
Summary of Contents for GLK 250 BlueTEC
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