their seat belt correctly at all times, even if
the vehicle is equipped with airbags. The air-
bags are not deployed in all types of acci-
dents. For example, if the protective capacity
of correctly fastened seat belts is not
increased by deploying the airbags, the air-
bags will not deploy.
Airbag deployment only provides increased
protection if the seat belt is worn correctly.
The seat belt helps, firstly, to keep the vehicle
occupant in the best position in relation to the
airbag. Secondly, in a head-on collision, for
example, the seat belt prevents the vehicle
occupant from being propelled towards the
point of impact.
SRS (Supplemental Restraint System)
Introduction
SRS consists of:
R
the
6
SRS warning lamp
R
airbags
R
the airbag control unit with crash sensors
R
belt tensioners for the front seat belts and
the outer seat belts in the rear
R
seat belt force limiters for the front seat
belts and the outer seat belts in the rear
SRS reduces the risk of occupants coming
into contact with the vehicle's interior in the
event of an accident. It can also reduce the
forces to which occupants are subjected dur-
ing an accident.
SRS warning lamp
G
WARNING
If SRS is malfunctioning, child restraint sys-
tem components may be triggered uninten-
tionally or might not be triggered at all in the
event of an accident with a high rate of vehicle
deceleration. There is an increased risk of
injury, possibly even fatal.
Have SRS checked and repaired immediately
at a qualified specialist workshop.
SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The
6
SRS warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out no later than a few seconds
after the engine is started.
The SRS components are in operational read-
iness when the
6
SRS indicator lamp goes
out while the engine is running.
A malfunction has occurred if:
R
the
6
SRS warning lamp does not light
up when the ignition is switched on
R
the engine is running and the
6
SRS
warning lamp does not go out after a few
seconds
R
the engine is running and the
6
SRS
warning lamp lights up again.
Triggering of belt tensioners and air-
bags
During the first stage of a collision, the airbag
control unit evaluates important physical
data relating to vehicle deceleration or accel-
eration, such as:
R
duration
R
direction
R
magnitude
Based on the evaluation of this data, the air-
bag control unit pre-emptively triggers the
belt tensioners in the first stage.
If there is an even higher rate of vehicle decel-
eration or acceleration in a longitudinal direc-
tion, the front airbags are also deployed.
Your vehicle has adaptive, two-stage front air-
bags. The airbag control unit evaluates vehi-
cle deceleration or acceleration in the event
of a collision. In the first deployment stage,
the front airbag is filled with enough propel-
lant gas to reduce the risk of injuries. The
front airbag is fully deployed if a second
deployment threshold is reached within a few
milliseconds.
Occupant safety
43
Safety
Z
Содержание 2013 CLS Coupe
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Страница 79: ...from the outside Observe the Important safety notes Y page 86 Anti theft systems 77 Safety Z...
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Страница 307: ...Useful information 306 Stowage areas 306 Features 319 305 Stowing and features...
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Страница 337: ...Useful information 336 Engine compartment 336 Service 340 Care 341 335 Maintenance and care...
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