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The rate of vehicle deceleration or accelera-
tion and the direction of the force are essen-
tially determined by:
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the distribution of forces during the collision
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the collision angle
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the deformation characteristics of the vehi-
cle
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the characteristics of the object with which
the vehicle has collided
Factors which can only be seen and measured
after a collision has occurred do not play a
decisive role in the deployment of an air bag.
Nor do they provide an indication of air bag
deployment.
The vehicle can be deformed considerably,
without an air bag being deployed. This is the
case if only parts which are relatively easily
deformed are affected and the rate of deceler-
ation is not high. Conversely, air bags may be
deployed even though the vehicle suffers only
minor deformation. This is the case if, for
example, very rigid vehicle parts such as longi-
tudinal body members are hit, and sufficient
deceleration occurs as a result.
If the restraint system control unit detects a
side impact or if the vehicle rolls over, the
applicable components of the restraint system
are deployed independently of each other
depending on the apparent type of accident.
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Side impact air bags on the side where the
impact takes place, independently of the
Emergency Tensioning Device and the use
of the seat belt on the driver's seat and
outer seats in the second row
The side impact air bag on the front
passenger side deploys under the following
conditions:
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the OCS system detects that the front
passenger seat is occupied or
-
the seat belt buckle tongue is engaged in
the belt buckle of the front passenger
seat
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Window curtain air bag on the side of
impact, independently of the use of the seat
belt and independently of whether the front-
passenger seat is occupied
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Emergency Tensioning Devices, if the sys-
tem determines that deployment can offer
additional protection in this situation
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Window curtain air bags on the driver's and
front-passenger side in certain situations
when the vehicle rolls over, if the system
determines that deployment can offer addi-
tional protection to that provided by the
seat belt
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Not all air bags are deployed in an acci-
dent. The different air bag systems work
independently 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:
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Head-on collision
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Side impact
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Rollover
Automatic measures after an acci-
dent
Immediately after an accident, the following
measures are implemented, depending on the
type and severity of the impact:
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the hazard warning lamps are switched on
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the emergency lighting is activated
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the vehicle doors are unlocked
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the front side windows are lowered
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the engine is switched off and the fuel sup-
ply is cut off
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vehicles with Mercedes me connect: auto-
matic emergency call
Children in the vehicle
Important safety notes
Accident statistics show that children secured
in the rear seats are safer than children
secured in the front-passenger seat. For this
reason, Mercedes-Benz strongly advises that
you install a child restraint system on a rear
seat. Children are generally better protected
there.
If a child younger than twelve years old and
under 5 ft (1.50 m) in height is traveling in the
vehicle:
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always secure the child in a child restraint
system suitable for Mercedes-Benz vehicles.
The child restraint system must be appropri-
ate to the age, weight and size of the child.
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be sure to observe the instructions and
safety notes in this section in addition to the
Children in the vehicle
53
Safety
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