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Safety and Security
Occupant safety
In this section you will learn the most
important facts about the restraint system
components of the vehicle.
ț Seat belts (୴ page 72)
ț Child restraints (୴ page 78)
ț Lower anchors and tethers for children
(LATCH) (
୴ page 88)
Supplemental Restraint System (SRS) with
ț Air bags (୴ page 67)
ț Air bag control unit (with crash
sensors)
ț Emergency tensioning device (ETD) for
seat belts (
୴ page 76)
Air bag system components with
ț 75 indicator lamp
(
୴ page 84)
ț Front passenger seat with Occupant
Classification System (OCS)
(
୴ page 81)
As independent systems, their protective
functions work in conjunction with each
other.
The SRS system conducts a self-test when
the ignition is switched on and in regular
intervals while the engine is running. This
facilitates early detection of malfunctions.
The
1 indicator lamp in the instrument
cluster lights up when the ignition is
switched on and goes out no later than a
few seconds after the engine has been
started.
The SRS components are in operational
readiness if the
1 indicator lamp is not
lit when the engine is running.
A malfunction in the system has been
detected if the
1 indicator lamp:
ț fails to go out after approximately
4 seconds after the engine was started
ț does not come on at all
ț comes on after the engine was started
or while driving
i
For information on infants and children
traveling with you in the vehicle and
restraint systems for infants and chil-
dren, see “Children in the vehicle”
(
୴ page 77).
Warning! G
In the event that the 1 indicator lamp
comes on during driving or does not come
on at all, the SRS self-check has detected a
malfunction. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Center immediately to have
the system checked; otherwise the SRS may
not be activated when needed in an acci-
dent, which could result in serious or fatal
injury, or it might deploy unexpectedly and
unnecessarily which could also result in
injury.
In addition, improper repair work on the SRS
creates a risk of rendering the SRS inopera-
tive or causing unintended air bag deploy-
ment. Work on the SRS must therefore only
be performed by qualified technicians. Con-
tact an authorized Mercedes-Benz Center.