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Function of the restraint system in an accident

How the restraint system works is determined by
the severity of the impact detected and the type of
accident anticipated:

frontal impact

rear impact

side impact

overturning or rollover

The activation thresholds for the components of

the restraint system are determined based on the

evaluation of the sensor values measured at vari-

ous points in the vehicle. This process is pre-emp-

tive in nature. The triggering/deployment of the

components of the restraint system should take

place in good time at the start of the collision.
Factors which can only be seen and measured

after a collision has occurred cannot play a deci-

sive role in airbag deployment. Nor do they provide

an indication of airbag deployment.
The vehicle may be deformed significantly without

an airbag being deployed. This is the case if only

parts which are relatively easily deformed are

affected and the rate of vehicle deceleration is not

high. Conversely, an airbag may be deployed even

though the vehicle suffers only minor deformation.

If very rigid vehicle parts, such as longitudinal

members, are hit, the vehicle deceleration may be

high enough for this to happen.
Depending on the detected deployment situation,
the components of the restraint system can be
activated or deployed independently of each other:

Seat belt tensioner: frontal impact, rear

impact, side impact, overturning, rollover

Driver's airbag, front passenger airbag: frontal

impact

Side airbag: side impact

Window airbag: side impact, overturning, roll-

over, frontal impact

The co-driver airbag can only be deployed in the

event of an accident if the PASSENGER AIR BAG

OFF indicator lamp is off. If the co-driver seat is

occupied, make sure, both before and during the

journey, that the status of the co-driver airbag is

correct (

page 36).

WARNING Risk of burns from hot airbag

components

The airbag parts are hot after an airbag has

been deployed.

Do not touch the airbag parts.

Have a deployed airbag replaced at a

qualified specialist workshop as soon as

possible.

Mercedes-Benz recommends that you have the

vehicle towed to a qualified specialist workshop

after an accident. Take this into account, particu-

larly if a seat belt tensioner is triggered or an air-

bag deployed.
If the seat belt tensioners are triggered or an air-
bag is deployed, you will hear a bang, and a small
amount of powder may also be released:

the bang will not generally affect your hearing.

in general, the powder released is not hazard-

ous to health but may cause short-term breath-

ing difficulties to persons suffering from

asthma or other pulmonary conditions.
Provided it is safe to do so, leave the vehicle

immediately or open the window in order to

prevent breathing difficulties.

Seat belts

Protection provided by the seat belt

Always fasten your seat belt correctly before start-

ing a journey. Only a seat belt which is worn cor-

rectly can provide the intended level of protection.