2003 Mercedes CL-Class Owner's Manual - Page 350

Technical terms MON (Motor Octane Number) The Motor 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. Multifunction display Display field in the speedometer used to present information provided by the control system. Multifunction steering wheel Steering wheel with buttons for operating the control system. Overspeed range Engine speeds within the red marking of the tachometer dial. Avoid this engine speed range, as it may result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. Parktronic* System which uses visual and acoustic signals to assist the driver during parking maneuvers. Poly-V-belt drive Drives engine-components (alternator, AC compressor, etc.) from the engine. Power train Collective term designating all components used to generate and transmit motive power to the drive axles, including: Engine Clutch/torque converter Transmission Transfer case Drive shaft Differential Axle shafts/axles Program mode selector switch Used to switch the automatic transmission between sport operation S and comfort operation C. CL 55 AMG with steering wheel gearshift control and manual shift program: in addition to S and C (see above), you can use the M for manual operation. Remote Vehicle Diagnostics Transmission of vehicle data and current location to the Mercedes-Benz Customer Assistance Center for subscribers to Tele Aid service. REST (Residual engine heat utilization) Feature that uses the engine heat stored in the coolant to heat the vehicle interior for a short time after the engine has been turned off. Restraint systems Seat belts, belt tensioners, airbags and child restraint systems. As independent systems, their protective functions complement one another. 350