2008 Mercedes CL-Class Owner's Manual - Page 588

Operation Tires and wheels Maximum tire inflation pressure This number is the greatest amount of air pressure that should ever be put in the tire under normal driving conditions. Normal occupant weight The number of occupants the vehicle is designed to seat, multiplied by 68 kilograms (150 lbs). Occupant distribution The distribution of occupants in a vehicle at their designated seating positions. Production options weight The combined weight of those installed regular production options weighing over 5 lbs (2.3 kilograms) in excess of those standard items which they replace, not previously considered in curb weight or accessory weight, including heavy duty brakes, ride levelers, roof rack, heavy duty battery, and special trim. PSI (Pounds per square inch) A standard unit of measure for air pressure -> bar, kilopascal (kPa). Recommended tire inflation pressure The recommended tire inflation pressure for normal driving conditions is listed on the Tire and Loading Information placard located on the driver's door B-pillar and provides best handling, tread life and riding comfort. If so equipped, supplemental information pertaining to special driving situations can be found on the tire inflation pressure label on the inside of the fuel filler flap. Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated. Sidewall The portion of a tire between the tread and the bead. 587