Mercedes Benz GLE Class owners manual page 404

text version of content this owner's manual page from owners manual to the vehicle Mercedes GLE, year of production 2015:

402 All about wheels and tires All passengercartiresmustconformtothestat-are not icy or covered with snow. Take appro- utory safety requirements in addition to thesepriate care when driving. grades. Further information on winter tires (M+S tires) iTheactualvaluesfortires are vehicle-spe-(Y page 389). cific and may deviate from the values in theTemperature illustration. Treadwear GWARNING The treadwear grade is a comparative ratingThe temperature grade for this tire is estab- based on the wear rate of the tire when testedlished for a tire that is properly inflated and under controlled conditions on a specified U.S.not overloaded. Excessive speed, underinfla- government course. For example, a tire gradedtion,orexcessiveloading,eitherseparatelyor 150wouldwearoneandone-halftimesaswellin combination, can cause excessive heat onthegovernmentcourseasatiregraded100.build-up and possible tire failure. Therelative performance of tires depends uponThe temperature grades are A (the highest), B, the actual conditions of their use, however, andand C, representing the tire's resistance to the maydepartsignificantly from the norm due togeneration of heat and its ability to dissipate variations in driving habits, service practicesheat when tested under controlled conditions and differences in road characteristics and cli-onaspecifiedindoorlaboratorytestwheel.Sus- mate. tained high temperature can cause the material resTraction ofthetiretodegenerateandreducetirelife,and ti excessive temperature can lead to sudden tire GWARNING failure. The grade C corresponds to a level of The traction grade assigned to this tire isperformancewhichallpassengercartiresmust and meetundertheFederal Motor Vehicle Safety s based on straight-ahead braking tractionStandard No. 109. Grades B and A represent l tests, and does not include acceleration, cor-higher levels of performance on the laboratory nering, hydroplaning, or peak traction char-test wheel than the minimum required by law. Wheeacteristics. !Avoidwheelspin.Thiscanleadtodamageto the drive train. The traction grades – from highest to lowest – are AA, A, B and C. Those grades represent the tire's ability to stop on wet pavement as meas- ured under controlled conditions on specified government test surfaces of asphalt and con- crete. A tire marked C may have poor traction performance. The safe speed on a wet, snow covered or icy road is always lower than on dry road surfaces. Youshould pay special attention to road condi- tions when temperatures are around freezing point. Mercedes-Benz recommends a minimum tread depth of ã in (4 mm) on all four winter tires. Observethelegallyrequiredminimumtiretread Ypage388).Wintertirescanreducethe depth( braking distance on snow-covered surfaces in comparisonwithsummertires.Thebrakingdis- tance is still much further than on surfaces that

owners manual Mercedes GLE

owners manual Mercedes GLE - year of production: 2015 - Mercedes Benz GLE Class owners manual EN