Uniform Tire Quality Grading Standards

A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government testing procedures. The ratings are molded into the sidewall of the tire.

    See also:

    Deactivating DISTRONIC PLUS
    There are several ways to deactivate DISTRONIC PLUS: •► Briefly press the cruise control lever forwards 1. or•► Brake, unless the vehicle is stationary. When you deactivate DIS ...

    Traction
    Traction is the result of friction between the tires and the road surface. ...

    Tread
    The part of the tire that comes into contact with the road. ...