Mercedes-Benz GL-Class: Overview of Tire Quality GradingStandards
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.
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 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:
Express-Down/Up Windows
Windows with the express feature allow the windows to be raised and lowered all
the way without holding the switch.
Press or pull the switch fully and release it to activate the express feature.
Th ...
Steering Wheel Adjustment
Push the control up or down to tilt the steering wheel up or down.
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Safety note
WARNING
► Do not disassemble or modify this
system. If you do, it may result in
accidents, fire, or electric shock.
► Do not use this system if you notice any
abnormality, such ...