2006 Mercedes SLK-Class Owner's Manual - Page 460

Technical terms ETD (Emergency Tensioning Device) Device which deploys in certain frontal and rear collisions exceeding the system's threshold to tighten the seat belts. ->SRS FSS PLUS (Canada vehicles) (Flexible Service System PLUS) Maintenance service indicator in the multifunction display that informs the driver when the next vehicle maintenance service is due. FSS PLUS evaluates engine temperature, oil level, vehicle speed, engine speed, distance driven and the time elapsed since your last maintenance service, and calls for the next maintenance service accordingly. GAWR (Gross Axle Weight Rating) ( page 344) Gear range* Number of gears which are available to the automatic transmission for shifting. The automatic gear shifting process can be adapted to specific operating conditions using the selector lever. GPS (Global Positioning System) Satellite-based system for relaying geographic location information to and from vehicles equipped with special receivers. GVW (Gross Vehicle Weight) ( page 344) GVWR (Gross Vehicle Weight Rating) ( page 345) Head-thorax air bag Installed in the doors, these air bags protect occupants during side impact collisions exceeding a preset threshold. Unlike normal side air bags, head-thorax air bags are also designed to provide protection for the head area. Instrument cluster The displays and indicator/warning lamps in the driver's field of vision, including the tachometer, speedometer, coolant temperature and fuel gauge. Kickdown* Depressing the accelerator past the point of resistance shifts the automatic transmission down to the lowest possible gear. This very quickly accelerates the vehicle and should not be used for normal acceleration needs. Kilopascal (kPa) ( page 345) 459