2008 Mercedes SL-Class Owner's Manual - Page 316

Operation Tires and wheels For additional information on tire load rating, see "Load identification" ( page 317). page 313) and tire speed rating 6 ( page 313) are also referred to as "service description". Warning! G i Tire load rating 5 ( The tire load rating must always be at least half of the GAWR ( page 323) of your vehicle. Otherwise, tire failure may be the result which may cause an accident and/or serious personal injury to you or others. Always replace rims and tires with the same designation, manufacturer and type as shown on the original part. i Tire load rating 5 ( page 313) and tire speed rating 6 ( page 313) are also referred to as "service description". Summer tires Index Q R S T H V W Y (Y) ZR Speed rating up to 100 mph (160 km/h) up to 106 mph (170 km/h) up to 112 mph (180 km/h) up to 118 mph (190 km/h) up to 130 mph (210 km/h) up to 149 mph (240 km/h) up to 168 mph (270 km/h) up to 186 mph (300 km/h) above 186 mph (300 km/h) above 149 mph (240 km/h) Tire speed rating The tire speed rating 6 ( page 313) indicates the approved maximum speed for the tire. Warning! Warning! G G Do not overload the tires by exceeding the specified load limit as indicated on the Tire and Loading Information placard located on the driver's door B-pillar. Overloading the tires can overheat them, possibly causing a blowout. Overloading the tires can also result in handling or steering problems, or brake failure. Even when permitted by law, never operate a vehicle at speeds greater than the maximum speed rating of the tires. Exceeding the maximum speed for which tires are rated can lead to sudden tire failure, causing loss of vehicle control and possibly resulting in an accident and/or personal injury and possible death, for you and for others. 315