2004 Mercedes E-Class Owner's Manual - Page 412

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 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. Distronic* A driving convenience cruise control system which helps the driver maintain a pre-selected speed: If there is no vehicle directly ahead, the system operates in the same way as conventional ->cruise control. If a slower moving vehicle is ahead, Distronic will reduce your vehicle speed to the extent permitted by reduced throttle and up to 20% braking power to maintain the preset minimum following distance. DTR (->Distronic*) 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 PLUS (Flexible Service System PLUS) Service indicator in the multifunction display that informs the driver when the next vehicle maintenance service is due. 412