Mercedes Benz CLA C117 owners manual page 43

text version of content this owner's manual page from owners manual to the vehicle Mercedes CLA, year of production 2013:

Occupantsafety 41 REmergencyTensioning Devices for theTriggering of Emergency Tensioning front seat belts and the outer seat belts inDevices and air bags the rear Duringthefirststageofacollision,theairbag RSeatbelt force limiter for the front seat control unit evaluates important physical belts and the outer seat belts in the rear datarelating to vehicle deceleration or accel- SRSreducestherisk of vehicle occupants ty eration, such as: coming into contact with parts of the vehi- Rduration cle'sinteriorintheeventofanaccident.Itcan Safe Rdirection also reduce the forces to which vehicle occu- Rmagnitude pants are subjected during an accident. Based on the evaluation of this data, the air SRSwarninglamp bag control unit pre-emptively triggers the Emergency Tensioning Device in the first GWARNING stage. If SRS is malfunctioning, restraint system If thereisanevenhigherrateofvehicledecel- componentsmaybetriggeredunintentionally erationoraccelerationinalongitudinaldirec- or might not be triggered at all in the event of tion, the front air bags are also deployed. an accident with a high rate of vehicle decel- Yourvehiclehasadaptive,two-stagefrontair eration. There is an increased risk of injury, bags. The air bag control unit evaluates vehi- possibly even fatal. cle deceleration or acceleration in the event HaveSRScheckedandrepairedimmediately of a collision. In the first deployment stage, at a qualified specialist workshop. the front air bag is filled with enough propel- lant gas to reduce the risk of injuries. The SRSfunctions are checked regularly when front air bag is fully deployed if a second you switch on the ignition and when the deploymentthresholdisreachedwithinafew engine is running. Therefore, malfunctions milliseconds. can be detected in good time. TheEmergencyTensioningDeviceandairbag The6SRSwarninglampintheinstrument triggering thresholds are variable and are clusterlightsupwhentheignitionisswitched adapted to the detected rate of deceleration on. It goes out no later than a few seconds or acceleration of the vehicle. This process is after the engine is started. pre-emptiveinnature.Thetriggeringprocess TheSRScomponentsareinoperationalread- musttake place in good time at the start of inesswhenthe6SRSindicatorlampgoes the collision. out while the engine is running. The rate of vehicle deceleration or accelera- There is a malfunction if: tion and the direction of the force are essen- R tially determined by: the 6SRSwarninglampdoesnotlight upwhentheignition is switched on Rthedistribution of forces during the colli- Rtheengineisrunning and the 6SRS sion warning lamp does not go out after a few Rthecollision angle seconds Rthedeformationcharacteristicsofthevehi- Rtheengineisrunning and the 6SRS cle warning lamp lights up again Rthecharacteristicsoftheobjectwithwhich the vehicle has collided Factors that can only be seen and measured after a collision has occurred do not play a Z

owners manual Mercedes CLA

owners manual Mercedes CLA - year of production: 2013 - Mercedes Benz CLA C117 owners manual EN