Mercedes-Benz GL-Class: Overview of Tire Quality GradingStandards - Uniform Tire Quality GradingStandards - Wheels and tires - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Overview of Tire Quality GradingStandards

The Uniform Tire Quality Grading is a U.S.

The Uniform Tire Quality Grading is a U.S.

Government requirement. Their purpose is to provide drivers with consistent and reliable information regarding tire performance. Tire manufacturers are required to grade tires using three performance factors: tread wear 1, tire traction 2, and temperature resistance 3. Although not a Government of Canada requirement, all tires made for sale in North America have these grades branded on the sidewall.

and may deviate from the values in The actual values for tires are vehiclespecific and may deviate from the values in the illustration.

Where applicable, the tire grading information can be found on the tire sidewall between the tread shoulder and maximum tire width.

For example:

All passenger car tires must conform to the

All passenger car tires must conform to the statutory safety requirements in addition to these grades.

    Tread wear
    The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 would ...

    See also:

    Service Publications Ordering Information
    Service Manuals Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. Service Bulletins Service Bulleti ...

    Tire Sealant and Compressor Kit
    This vehicle may come with a spare tire and tire changing equipment or a tire sealant and compressor kit. The kit can be used to temporarily seal small punctures in the tread area of the tire. See T ...

    Correct use of the seat belts
    WARNING   USE SEAT BELTS PROPERLY • Seat belts can only work when used properly. Never wear seat belts in any other way than as described in this section, as that could result in seri ...