Mercedes-Benz S-Class 2011 - Manual (Page 498)

:
Uniform Tire Quality Grading Standard
(
Y page 500)
;
DOT, Tire Identification Number
(
Y page 499)
= Maximum tire load ( Y page 494)
? Maximum tire pressure ( Y page 486)
A Manufacturer
B Tire material ( Y page 499)
C Tire size designation, load-bearing
capacity and speed index (
Y page 496)
D
Load index ( Y page 498)
E Tire name
i Tire data is vehicle-specific and may
deviate from the data in the example.
Tire size designation, load-bearing
capacity and speed index
:
Tire width
; Nominal aspect ration in %
= Tire code
? Rim diameter
A Load bearing index
B Speed index
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
496
Tire labeling
Tires and wheels