Mercedes-Benz SLK 2014 Operator's Manual page 324

All about wheels and tires
322
Tire labeling
Overview
Uniform Tire Quality Grading Standard
:
( page 326)
Y
DOT, Tire Identification Number
;
( page 325)
Y
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
The markings described above are on the tire
in addition to the tire name (sales
designation) and the manufacturer's name.
i
Tire data is vehicle-specific and may
deviate from the data in the example.
Tire size designation, load-bearing
capacity and speed rating
G
WARNING
Exceeding the stated tire load-bearing
capacity and the approved maximum speed
could lead to tire damage or the tire bursting.
There is a risk of accident.
page 325)
Y
page 312)
Y
page 325)
Y
page 322)
Y
page 324)
Y
Therefore, only use tire types and sizes
approved for your vehicle model. Observe the
tire load rating and speed rating required for
your vehicle.
Tire width
:
Nominal aspect ratio in %
;
Tire code
=
Rim diameter
?
Load bearing index
A
Speed rating
B
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.
Height-width ratio: aspect ratio ; is the
size ratio between the tire height and tire
width and is shown in percent. The aspect