Mercedes-Benz B-Class F-CELL Operator's Manual page 42

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Occupant safety
40
Occupant safety
Introduction
In this section you will learn the most
important facts about the restraint system
components of the vehicle.
The restraint systems are:
Seat belts
R
Child restraints
R
Lower Anchors and Tethers for CHildren
R
(LATCH) also known as ISOFIX
Additional protection potential is provided by:
Supplemental Restraint System (SRS) with
R
Air bags
-
Air bag control unit (with crash sensors)
-
Emergency Tensioning Device (ETD) for
-
front and rear outer seat belts
Seat belt force limiter for driver and front
-
passenger seat
NECK-PRO active front head restraints
R
Although the systems are independent, their
protective functions work in conjunction with
each other.
G
Warning!
Modifications to or work improperly
conducted on restraint system components
or their wiring, as well as tampering with
interconnected electronic systems, can lead
to the restraint systems no longer functioning
as intended.
Air bags or Emergency Tensioning Devices
(ETDs), for example, could deploy
inadvertently or fail to deploy in accidents
although the deceleration threshold for air
bag deployment is exceeded. Therefore,
never modify the restraint systems. Do not
tamper with electronic components or their
software.
i See "Children in the vehicle"
Y
( page 54) for information on
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Version: 2.11.8.1
infants and children traveling with you in
R
the vehicle
restraint systems for infants and children
R
SRS indicator lamp
The SRS system conducts a self-test when
the ignition is switched on and in regular
intervals while the drive system is in
operation. This facilitates detection of system
malfunctions.
The SRS indicator lamp + in the
instrument cluster comes on when the
ignition is switched on. It goes out no later
than a few seconds after the drive system has
been started.
The SRS components are in operational
readiness when the SRS indicator lamp
+ is not lit while the drive system is in
operation.
G
Warning!
The SRS self-check has detected a
malfunction when the SRS indicator lamp
+
does not come on at all
R
fails to go out after approximately
R
4 seconds after the drive system was
started
comes on after the drive system was
R
started or while driving
For your safety, we strongly recommend that
you contact an authorized F-CELL Service
Center immediately to have the system
checked. Otherwise the SRS may not be
activated when needed in an accident, which
could result in serious or fatal injury. The SRS
might also deploy unexpectedly and
unnecessarily which could also result in injury
as well.
In addition, improper work on the SRS creates
a risk of rendering the SRS inoperative or
causing unintended air bag deployment. Work
on the SRS must therefore only be performed