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.

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    Wet roads
    WARNING After driving in heavy rain for some time without applying the brakes or through water deep enough to wet brake components, the first braking action may be somewhat reduced. You have ...

    Important notes on tire pressure
    WARNING Should the tire pressure drop repeatedly: • check the tire for foreign bodies. • check whether the wheel is losing air or the valve is leaking. • make sure that only a valve cap approved ...

    Switching on DISTRONIC PLUS, storing the current speed and maintaining it
    Important safety notes WARNING The vehicle can be braked when DISTRONIC PLUS is activated. For this reason, deactivate DISTRONIC PLUS if the vehicle is to be set in motion by other means (e. ...