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:
Control panel for dual-zone automatic climate control
1 To set the temperature, left
2 To set climate control to automatic
3 To defrost the windshield
4 To increase the airflow
5 To direct the airflow through the defroster vents
6 To activate/deac ...
Occupant sensing
The front passenger seat is fitted with an occupancy sensor system that determines
if the seat is unoccupied, occupied by a person of low weight, a child seat or object,
or is occupied by a heavie ...
GM Mobility Reimbursement Program (U.S. and Canada)
This program is available to qualified applicants for cost reimbursement of eligible
aftermarket adaptive equipment required for the vehicle, such as hand controls or
a wheelchair/ scooter lift ...
