2009 Mercedes SLR McLaren Owner's Manual - Page 405

Technical terms Instrument cluster The displays and indicator/warning lamps in the driver's field of vision, including the tachometer, speedometer, engine temperature and fuel gauge. Kickdown Depressing the accelerator past the point of resistance shifts the transmission down to the lowest possible. This very quickly accelerates the vehicle and should not be used for normal acceleration needs. Kilopascal (kPa) ( page 287) Maximum load rating ( page 287) Maximum loaded vehicle weight ( page 287) Maximum tire inflation pressure ( page 287) 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 Two display fields in the instrument cluster used to present information provided by the control system. Multifunction steering wheel Steering wheel with buttons for operating the control system. Normal occupant weight ( page 287) OCS (Occupant Classification System) The system automatically turns the front passenger front air bag on or off based on the classified occupant size category determined by weight sensor readings from the seat. Overspeed range Engine speeds within the red marking on 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. Poly-V-belt drive Drives engine-components (alternator, AC compressor, etc.) from the engine. 405