2003 Mercedes SLK-Class Owner's Manual - Page 282

Technical terms Retractable hardtop Hardtop that can be opened and closed at the push of a button and stored in the trunk. Roll bar Occupant protection system which consists of tubular steel sheathed in plastic. RON (Research Octane Number) The Research Octane Number for gasoline as determined by a standardized method. It is an indication of a gasoline's ability to resist undesired detonation (knocking). The average of both the ->MON (Motor Octane Number) and RON (Research Octane Number) is posted at the pump, also known as ANTI-KNOCK INDEX. Shift lock When the vehicle is parked, this lock prevents the transmission selector lever from being moved out of position P without key turned and brake pedal depressed. SRS (Supplemental Restraint System) Seat belts, emergency tensioning device and airbags. Though independent systems, they are closely interfaced to provide effective occupant protection. Tele Aid System (Telematic Alarm Identification on Demand) The Tele Aid system consists of three types of response: automatic and manual emergency, roadside assistance and information. Tele Aid is initially activated by completing a subscriber agreement and placing an acquaintance call. The Tele Aid system is operational providing that the vehicle's battery is charged, properly connected, not damaged and cellular and GPS coverage is available. Tightening torque Force times lever arm (e.g. a lug wrench) with which threaded fasteners such as wheel bolts are tightened. TIREFIT Accessory for emergency and temporary tire repair. The TIREFIT kit consists of a container with sealant material, a filler hose, a valve stem tool, a valve insert, and an air compressor. 282