Tire ply material, Tire terminology, Tire ply material tire and loading terminology – Mercedes-Benz G-Class 2006 Owners Manual User Manual

Page 274

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273

Operation

Tires and wheels

Tire ply material

1 Plies in sidewall
2 Plies under tread

This marking tells you about the type of
cord and number of plies in the sidewall
and under the tread.

Tire and loading terminology

Accessory weight

The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio, and heater, to the extent that
these items are available as
factory-installed equipment (whether
installed or not).

Air pressure

The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa) or
bars.

Aspect ratio

Dimensional relationship between tire
section height and section width
expressed in percentage.

Bar

Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.

Bead

The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the
rim.

Cold tire inflation pressure

Tire inflation pressure when your vehicle
has been sitting for at least three hours or
driven no more than one mile (1.6 km).

Curb weight

The weight of a motor vehicle with stan-
dard equipment including the maximum
capacity of fuel, oil, and coolant, and, if so
equipped, air conditioning and additional
optional equipment, but without passen-
gers and cargo.

i

For illustration purposes only. Actual
data on tires are specific to each vehi-
cle and may vary from data shown in
above illustration.

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