Mercedes Benz 2009 M-Class User Manual
70
Safety and Security
Occupant safety
In this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
portant facts about the restraint systems
of the vehicle.
The restraint systems are
앫
Seat belts (
컄
page 77)
앫
Child restraints (
컄
page 92)
앫
Lower Anchors and Tethers for
CHildren (LATCH) (
CHildren (LATCH) (
컄
page 91)
Additional protection potential provide
앫
Supplemental Restraint System (SRS)
with
with
앫
Air bags (
컄
page 71)
앫
Air bag control unit (with crash
sensors)
sensors)
앫
Emergency Tensioning Device
(ETD) for seat belts (
(ETD) for seat belts (
컄
page 80)
앫
Active head restraints (
컄
page 80)
Air bag system components with
앫
Front passenger front air bag off
indicator lamp (
indicator lamp (
컄
page 89)
앫
Front passenger seat with Occupant
Classification System (OCS)
(
Classification System (OCS)
(
컄
page 85)
Although independent systems, their pro-
tective functions work in conjunction with
each other.
tective 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
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 (
컄
page 26) comes on when the
ignition is switched on and goes out no
later than a few seconds after the engine
was started.
later than a few seconds after the engine
was started.
The SRS components are in operational
readiness if the
readiness if the
1
indicator lamp is not
lit when the engine is running.
A malfunction in the system has been
detected if the
detected if the
1
indicator lamp:
앫
fails to go out not later than approxi-
mately 4 seconds after the engine was
started
mately 4 seconds after the engine was
started
앫
does not come on at all
앫
comes on after the engine was started
or while driving
or while driving
i
For information on infants and children
traveling with you in the vehicle and restraint
systems for infants and children, see “Children
in the vehicle” (
systems for infants and children, see “Children
in the vehicle” (
컄
page 82).
Warning!
G
Modifications to or work improperly con-
ducted on restraint systems (such as seat
belts and anchors, emergency tensioning
devices, seat belt force limiters or air bags)
or their wiring, as well as tampering with in-
terconnected electronic systems, can lead
to the restraint systems no longer function-
ing as intended.