Mercedes-Benz S-Class 2011 Operator's Manual page 498

Tire labeling
496
Uniform Tire Quality Grading Standard
:
( Y page 500)
DOT, Tire Identification Number
;
Y
( page 499)
Maximum tire load (
=
Maximum tire pressure (
?
Manufacturer
A
Tire material (
B
Tire size designation, load-bearing
C
capacity and speed index (
Load index (
D
Tire name
E
i Tire data is vehicle-specific and may
deviate from the data in the example.
Y page 494)
Y page 486)
Y page 499)
Y page 496)
Y page 498)
Tire size designation, load-bearing
capacity and speed index
Tire width
:
Nominal aspect ration in %
;
Tire code
=
Rim diameter
?
Load bearing index
A
Speed index
B
i Tire data is vehicle-specific and may
deviate from the data in the example.
General: depending on the manufacturer's
standards, the size imprinted in the tire wall
may not contain any letters or may contain
one letter that precedes the size description.
If there is no letter preceding the size
description (as shown above): these are
passenger vehicle tires according to
European manufacturing standards.
If "P" precedes the size description: these are
passenger vehicle tires according to U.S.
manufacturing standards.
If "LT" precedes the size description: these
are light truck tires according to U.S.
manufacturing standards.
If "T" precedes the size description: these are
compact emergency spare wheels at high tire
pressure, to be used only temporarily in an
emergency.
Tire width: tire width : shows the nominal
tire width in millimeters.
Nominal aspect ration: aspect ratio ; is
the size ratio between the tire height and the
tire width and is shown in percent. The aspect