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:
Important information about this manual
You will see various symbols in this
manual. They are used in the following
ways:
WARNING
This is used to indicate the presence of a
hazard that could cause death or serious
personal injur ...
Storing Memory Positions
To save into memory:
1. Adjust the driver seat, including the seatback recliner and lumbar, both outside
mirrors, power steering column, and the throttle and brake pedals.
See Power Mirrors , ...
Setting the specified minimum distance
You can set the specified minimum distance
for DISTRONIC by varying the time span
between one and two seconds. This time span
determines the distance that DISTRONIC
should maintain from the vehicl ...