Uniform Tire Quality Grading Standards - Definition of terms for tires and loading - Wheels and tires - Mercedes-Benz S-Class Owners Manual - Mercedes-Benz S-Class | Mersag.com

Uniform Tire Quality Grading Standards

Mercedes-Benz S-Class / Mercedes-Benz S-Class Owners Manual / Wheels and tires / Definition of terms for tires and loading / 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:

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 ...

Roadside Assistance button
Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. ► Make sure that ...