Tire ply material, Tire and loading terminology, Operation – Mercedes-Benz G-Class 2009 Owners Manual User Manual

Page 174: Tires and wheels

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Tire type code

Tire type code ? may, at the option of the
manufacturer, be used as a descriptive code
for identifying significant characteristics of
the tire.

Date of manufacture

The date of manufacture A identifies the
week and year of manufacture.
The first two figures identify the week,
starting with “01” to represent the first full
week of the calendar year. The second two
figures represent the year.
For example, “3202” represents the 32nd
week of 2002.

Tire ply material

i

For illustration purposes only. Actual data

on tires are specific to each vehicle and
may vary from data shown in above
illustration.

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 bar.

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 3 hours or driven no
more than 1 mile (1.6 km).

Curb weight

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

172

Tires and wheels

Operation

463_AKB; 2; 52, en-US
d2ureepe,

Version: 2.11.7.1

2008-12-02T10:52:11+01:00 - Seite 172

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