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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:
ț Seat belts
ț Emergency tensioning device
ț Air bags
ț Child seats
ț Child seat recognition
ț Lower anchors and tethers for children
(LATCH)
ț Preventive occupant safety (PRE-SAFE)
As independent systems, their protective
effects work in conjunction with each oth-
er.
The 1 indicator lamp in the instrument
cluster comes on
ț for about four seconds when you turn
the SmartKey in the starter switch to
position 1 or press the KEYLESS-GO*
start/stop button (
୴ page 35) once. It
then goes out briefly, comes on again
and remains lit until you start the en-
gine.
ț for about four seconds when you start
the engine by turning the SmartKey or
pressing the KEYLESS-GO* start/stop
button.
The restraint systems are fully operational
if the 1 indicator lamp is not lit when
the engine is running.
A malfunction in the system has been de-
tected if the 1 indicator lamp:
ț fails to extinguish after approximately
four seconds.
ț does not come on at all.
ț comes on after the engine was started
or while driving.
For safety reasons, we strongly recom-
mend that you visit an authorized
Mercedes-Benz Center immediately to
have the system checked.
For more information, see “Practical hints”
(e page 337).
i
For information on infants and children
traveling with you in the vehicle and re-
straint systems for infants and chil-
dren, see “Children in the vehicle”
(
୴ page 71).
i
The 1 indicator lamp remains lit if
the SmartKey is turned to position 2
and left there or the KEYLESS-GO*
start/stop button is pressed twice. The
indicator lamp will go out when you
start the engine.