2008 Mercedes S-Class Owner's Manual - Page 41

Safety and Security Occupant safety In this section you will learn the most important facts about the restraint systems of the vehicle. The restraint systems are Seat belts ( page 52) Child restraints ( page 57) Lower Anchors and Tethers for CHildren (LATCH) ( page 62) 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 56) Active head restraints ( page 55) Air bag system components with The front passenger front air bag off indicator lamp ( page 50) Front passenger seat with Occupant Classification System (OCS) ( page 47) Although 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 = indicator lamp in the instrument cluster ( page 28) comes on 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 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 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" ( page 57). 40