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:
Topping up the brake fluid
NOTICE
Brake fluid will damage painted surfaces. Soak up any spillage with an absorbent
cloth immediately and wash the area with a mixture of car shampoo and water.
Only use new fluid from an ...
Transmission
Driver Shift Control (DSC)
The DSC switch is located on the shift lever.
To enable the DSC feature:
1. Move the column shift lever to the M(Manual) position. The Driver Information
Center (DIC) ...
Calling for Service
When calling Roadside Service, have the following information ready:
Your name, home address, and home telephone number.
Telephone number of your location.
Location of the vehicle.
Model, ye ...
