Definition For Tires And Loading - Mercedes-Benz Sprinter Operator's Manual

DOT (Department of Transportation)
Tires with the DOT label fulfill the
requirements of the U.S. Department of
Transportation.
Average weight of vehicle occupants
The number of occupants for which the
vehicle is designed multiplied by 68 kilograms
(150 lb).
Uniform Tire Quality Grading
Standards
A uniform standard to grade the quality of
tires with regard to tread quality, traction and
temperature characteristics. The quality
grading assessment is made by the
manufacturer following specifications from
the U.S. government. The quality grade of a
tire is imprinted on the sidewall of the tire.
Recommended tire pressure F
The tire pressure recommended for your
vehicle for normal driving situations. The
recommendation can be found on the Tire &
Loading Information placard
pressure plate on the B-pillar on the driver's
side of the vehicle. The recommended tire
pressure provides the best balance between
handling characteristics, ride comfort and
wear.
Increased vehicle weight due to
optional equipment
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.
13 Only for vehicles with a gross weight of less than 10,000 lbs(4536 kg).

Definition for tires and loading

Wheel rim
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 driver seat
frame (
Speed index
The speed index is part of the tire
identification. It specifies the speed range for
which the tire is approved.
GVW (Gross Vehicle Weight)
The gross vehicle weight includes the weight
of the vehicle including fuel, tools, spare
wheel, accessories installed, occupants,
luggage and the drawbar noseweight if
applicable. The gross vehicle weight may not
exceed the GVWR (Gross Vehicle Weight
13 Rating) specified on the vehicle identification
or on the tire
plate on the driver seat frame (
GVWR (Gross Vehicle Weight Rating)
The GVWR is the maximum permissible gross
weight of a fully loaded vehicle (the weight of
the vehicle including all accessories,
occupants, fuel, luggage and the drawbar
noseweight if applicable). The Gross Vehicle
Weight Rating is specified on the vehicle
identification plate on the driver seat frame
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