2006 Mercedes C-Class Owner's Manual - Page 454

Technical terms PSI (Pounds per square inch) ( page 333) Recommended tire inflation pressure ( page 333) Restraint systems Seat belts, child restraints, lower anchors and tethers for children (LATCH). As independent systems, their protective functions complement one another. Rim ( page 333) 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 gear selector lever from being moved out of position P without SmartKey turned and brake pedal depressed. Sidewall ( page 333) SRS (Supplemental Restraint System) Air bags, air bag control unit (with crash sensor), emergency tensioning device. 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 provided that the vehicle's battery is charged, properly connected, not damaged and cellular and GPS coverage is available. 453