beautypg.com

Wheels and tires, Definition of terms for tires and loading – Mercedes-Benz GLK-Class 2015 Owners Manual User Manual

Page 355

background image

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 identifica-

tion. 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, lug-

gage and the drawbar noseweight, if applica-

ble. The gross vehicle weight must not exceed

the gross vehicle weight rating GVWR as

specified on the vehicle identification plate on

the B-pillar on the driver's side.

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, occu-

pants, fuel, luggage and the drawbar nose-

weight, if applicable). The gross vehicle

weight rating is specified on the vehicle iden-

tification plate on the B-pillar on the driver's

side.

Maximum loaded vehicle weight

The maximum weight is the sum of the curb

weight of the vehicle, the weight of the acces-

sories, the total load limit and the weight of

the optional equipment installed at the fac-

tory.

Kilopascal (kPa)

Metric unit for tire pressure. 6.9 kPa corre-

sponds to 1 psi. Another unit for tire pressure

is bar. 100 kilopascals (kPa) are the equiva-

lent of 1 bar.

Load index

In addition to the load-bearing index, the load

index may also be imprinted on the sidewall of

the tire. This specifies the load-bearing capa-

city more precisely.

Curb weight

The weight of a vehicle with standard equip-

ment including the maximum capacity of fuel,

oil and coolant. It also includes the air-condi-

tioning system and optional equipment if

these are installed in the vehicle, but does not

include passengers or luggage.

Maximum load rating

The maximum load rating in kilograms or

pounds is the maximum weight for which a

tire is approved.

Maximum permissible tire pressure

Maximum permissible tire pressure for one

tire.

Definition of terms for tires and loading

353

Wheels

and

tires

Z