Wheels and tires, Tire labeling – Mercedes-Benz G-Class 2014 Owners Manual User Manual

Page 334

Advertising
background image

This information describes the type of tire

cord and the number of layers in

sidewall : and under tire tread ;.

i

Tire data is vehicle-specific and may

deviate from the data in the example.

Definition of terms for tires and

loading

Tire ply composition and material used

Describes the number of layers or the number

of rubber-coated belts in the tread and the

sidewall of the tire. These are made of steel,

nylon, polyester and other materials.

Bar

Metric unit for tire pressure.

14.5038 pounds per square inch (psi) and

100 kilopascals (kPa) are the equivalent of

1 bar.

DOT (Department of Transportation)

DOT marked tires fulfill the requirements of

the United States Department of

Transportation.

Normal occupant weight

The number of occupants for which the

vehicle is designed multiplied by

68 kilograms (150 lbs).

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.

Recommended tire pressure

The recommended tire pressure applies to

the tires mounted at the factory.

The Tire and Loading Information placard

contains the recommended tire pressures for

cold tires on a fully loaded vehicle and for the

maximum permissible vehicle speed.
The tire pressure table contains the

recommended pressures for cold tires for

various operating conditions, i.e. differing

load and speed conditions.

Increased vehicle weight due to

optional equipment

This is the combined weight of all standard

and optional equipment available for the

vehicle, regardless of whether it is actually

installed on the vehicle or not.

Rim

This is the part of the wheel on which the tire

is mounted.

GAWR (Gross Axle Weight Rating)

The GAWR is the maximum gross axle weight

rating. The actual load on an axle must never

exceed the gross axle weight rating. The

gross axle weight rating can be found on the

vehicle identification plate on the B-pillar on

the driver's side.

Speed rating

The speed rating is part of the tire

identification. It specifies the speed range for

which the tire is approved.

GTW (Gross Trailer Weight)

The GTW is the weight of a trailer including

the weight of the load, luggage, accessories

etc. on the trailer.

GVW (Gross Vehicle Weight)

The gross vehicle weight includes the weight

of the vehicle including fuel, tools, the spare

wheel, accessories installed, occupants,

luggage and the drawbar noseweight, if

applicable. The gross vehicle weight must not

332

Tire labeling

Wheels

and

tires

Advertising