Mercedes Benz 2007 sl 550 ユーザーズマニュアル

In this section you will learn the most im-
portant facts about the restraint systems 
of the vehicle.

The restraint systems are

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Seat belts (

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Child restraints (

Additional protection potential provided by

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Supplemental Restraint System (SRS) 
with

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Air bag control unit (with crash 
sensors)

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Emergency tensioning device (ETD) 
for seat belts (

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Roll bar (

Air bag system components with

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Front passenger front air bag off 
indicator lamp (

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Front passenger seat with Occupant 
Classification System (OCS) 
(

Although independent systems, their pro-
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 detection of malfunctions. The 

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indicator lamp in the instrument clus-

ter comes on when the ignition is switched 
on and goes out no later than a few sec-
onds after the engine has been started.

The SRS components are in operational 
readiness if the 

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indicator lamp is not 

lit when the engine is running.

A malfunction in the system has been 
detected if the 

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indicator lamp:

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fails to go out after approximately 
4 seconds after the engine was started

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does not come on at all

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comes on after the engine was started 
or while driving

i