Occupant Safety; Preventive Occupant Safety - Mercedes-Benz S 450 4MATIC Operator's Manual

Safety and Security

Occupant safety

In this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are
Seat belts ( page 52)
Child restraints ( page 58)
Lower Anchors and Tethers for
CHildren (LATCH) ( page 63)
Additional protection potential provide
Supplemental Restraint System (SRS)
with
Air bags ( page 42)
Air bag control unit (with crash
sensors)
Emergency Tensioning Device
(ETD) for seat belts ( page 55)
Seat belt force limiter ( page 55)

Preventive occupant safety

®
(PRE-SAFE ) ( page 57)
Active head restraints ( page 56)
40
Air bag system components with
The front passenger front air bag off in-
dicator lamp ( page 51)
Front passenger seat with Occupant
Classification System (OCS)
( page 47)
Although independent systems, their pro-
tective functions work in conjunction with
each other.
i
For information on infants and children trav-
eling with you in the vehicle and restraint sys-
tems for infants and children, see "Children in
the vehicle" ( page 58).
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 = indicator lamp in the instrument
cluster ( page 28) comes on when the
ignition is switched on and goes out no lat-
er than a few seconds after the engine has
been started.
The SRS components are in operational
readiness when the = indicator lamp is
not lit when the engine is running.
A malfunction in the system has been
detected if the = indicator lamp:
fails to go out after approximately
4 seconds after the engine was started
does not come on at all
comes on after the engine was started
or while driving