Mercedes-Benz 2010 GLK 350, Operator'S Manual

Page: 237 / 344

Thoroughly clean the mounting face of wheels
and brake disks, i.e. the inner side of the
wheels/tires, during each rotation. Check for
and ensure proper tire inflation pressure.
For information on wheel change, see “Flat
tire” (
Y
page 312).
Tire labeling
Besides tire name (sales designation) and
manufacturer name, a number of markings
can be found on a tire.
Following are some explanations for the
markings on your vehicle’s tires:
:
Uniform Tire Quality Grading Standards
(
Y
page 233)
;
DOT, Tire Identification Number
(
Y
page 238)
=
Maximum tire load (
Y
page 231)
?
Maximum tire inflation pressure
(
Y
page 227)
A
Manufacturer
B
Tire ply material (
Y
page 239)
C
Tire size designation, load and speed
rating (
Y
page 235)
D
Load identification (
Y
page 238)
E
Tire name
i For illustration purposes only. Actual data
on tires are specific to each vehicle and
may vary from data shown in above
illustration.
For more information, see “Rims and tires”
(
Y
page 331).
Tire size designation, load and speed
rating
:
Tire width
;
Aspect ratio in %
=
Radial tire code
?
Rim diameter
A
Load index
B
Speed symbol
i For illustration purposes only. Actual data
on tires are specific to each vehicle and
may vary from data shown in above
illustration.
General: Depending on the design standards
used, the tire size molded into the sidewall
may have no letter or a letter preceding the
tire size designation.
No letter preceding the size designation (as
illustrated above): Passenger car tire based
on European design standards.
Letter “P” preceding the size designation:
Passenger car tire based on U.S. design
standards.
Letter “LT” preceding the size designation:
Light Truck tire based on U.S. design
standards.
Tires and wheels
235
Operation
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