2003 Mercedes C-Class Owner's Manual - Page 342

Technical terms COMAND* (Cockpit Management and Data System) Information and operating center for vehicle sound and communications systems, including the radio and navigation system, as well as for other optional equipment (CD changer, telephone, etc.). Control system The control system is used to call up vehicle information and to change component settings. Information and messages appear in the multifunction display. The driver uses the buttons on the multifunction steering wheel to navigate through the system and to adjust settings. Cruise control Driving convenience system for automatically maintaining the vehicle speed set by the driver. Engine number The number set by the manufacturer and placed on the cylinder block to uniquely identify each engine produced. Engine oil viscosity Measurement for the inner friction (viscosity) of the oil at different temperatures. The higher the temperature an oil can tolerate without becoming thin, or the lower the temperature it can tolerate without becoming viscous, the better the viscosity. ESP (Electronic Stability Program) Improves vehicle handling and directional stability. 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 (Flexible Service System) Service indicator in the multifunction display that informs the driver when the next vehicle maintenance service is due. 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. Employs CD digital maps for navigation. Instrument cluster The displays and indicator/warning lamps in the driver's field of vision, including the tachometer, speedometer and fuel gauge. 342