Tire Labeling; Load Index - Mercedes-Benz 2010 S-Class Operator's Manual

Tires and wheels
426
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 508).

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 424)
DOT, Tire Identification Number
;
( Y page 429)
Maximum tire load (
=
Maximum tire inflation pressure
?
( Y page 417)
Manufacturer
A
Tire ply material (
B
Tire size designation, load and speed
C
rating ( Y page 426)
Load identification (
D
Tire name
E
Y page 422)
Y page 430)
Y page 429)
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 532).
Tire size designation, load and speed
rating
Tire width
:
Aspect ratio in %
;
Radial tire code
=
Rim diameter
?

Load index

A
Speed symbol
B
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.