Mercedes Benz CLA C117 owners manual page 330

text version of content this owner's manual page from owners manual to the vehicle Mercedes CLA, year of production 2013:

328 UniformTire Quality Grading Standards under controlled conditions on a specified UniformTire Quality Grading Stand- U.S. government course. For example, a tire ards graded 150 would wear one and one-half OverviewofTireQuality Grading times as well on the government course as a Standards tire graded 100. The relative performance of tires depends upontheactual conditions of their use, how- ever, and may depart significantly from the norm, due to variations in driving habits, ser- vice practices and differences in road char- acteristics and climate conditions. Traction GWARNING The traction grade assigned to this tire is Uniform Tire Quality Grading Standards are based on straight-ahead braking traction U.S. government specifications. Their pur- tests, and does not include acceleration, cor- pose is to provide drivers with uniform relia- nering, hydroplaning, or peak traction char- bleinformationontireperformancedata.Tire acteristics. manufacturershavetogradetiresusingthree tires performancefactors:treadwear:,tiretrac- The traction grades, from highest to lowest, tion ;, and heat resistance =. These regu- are AA, A, B, and C. Those grades represent and lationsdonotapplytoCanada.Nevertheless, the tire's ability to stop on a wet surface as all tires sold in North America are provided measuredundercontrolled conditions on with the corresponding quality grading mark- specifiedgovernmenttestsurfacesofasphalt ings on the sidewall of the tire. andconcrete.AtiremarkedCmayhavepoor Wheels All passenger car tires must conform to the traction performance. statutory safety requirements in addition to Thesafespeedonawet,snowcoveredoricy these grades. road is always lower than on dry road surfa- Whereapplicable, the tire grading informa- ces. tioncanbefoundonthetiresidewallbetween Youshouldpayspecialattentiontoroadcon- the tread shoulder and maximum tire width. ditions when temperatures are around the iTheactualvaluesfortires are vehicle-freezing point. specific andmaydeviatefromthevaluesin Mercedes-Benz recommends a minimum the illustration. tread depth of ã in (4 mm) for all four winter tires (Y page 316) to maintain normal driving For example: characteristics in winter. Winter tires can TreadwearTractionTemperature reducethebrakingdistanceonsnow-covered surfaces in comparison with summer tires. 200 AA A Stopping distance, however, is still consider- ably greater than when the road is not cov- ered with ice or snow. Take appropriate care Treadwear whendriving. The treadwear grade is a comparative rating !Avoidwheelspin.Thiscanleadtodamage basedonthewearrateofthetirewhentested to the drive train.

owners manual Mercedes CLA

owners manual Mercedes CLA - year of production: 2013 - Mercedes Benz CLA C117 owners manual EN