Tires and wheels
267
5
Manufacturer
6
Tire ply material (
Y
page 273)
7
Tire size designation, load and speed
rating (
Y
page 267)
8
Load identification (
Y
page 269)
9
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 394).
Tire size designation, load and speed
rating
1
Tire width
2
Aspect ratio in %
3
Radial tire code
4
Rim diameter
5
Tire load rating
6
Tire speed rating
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.
Letter “T” preceding the size designation:
Temporary spare tires which are high
pressure compact spares designed for
temporary emergency use only.
Tire width
Tire width
1
indicates the nominal tire width
in millimeters.
Aspect ratio
Aspect ratio
2
is the dimensional
relationship between tire section height and
section width and is expressed in percentage.
The aspect ratio is arrived at by dividing
section height by section width.
Tire code
Tire code
3
indicates the tire construction
type. The “R” stands for radial tire type. Letter
“D” means diagonal or bias ply construction;
letter “B” means belted-bias ply construction.
At the tire manufacturer’s option, any tire
with a speed capability above 149 mph
(240 km/h) can include a “ZR” in the size
designation (for example: 245/40 ZR 18). For
additional information, see “Tire speed
rating” (
Y
page 268).
Rim diameter
Rim diameter
4
is the diameter of the bead
seat, not the diameter of the rim edge. The
rim diameter is indicated in inches (in).
Operation
Z
Summary of Contents for 2009 R-Class
Page 1: ...R Class Operator s Manual ...
Page 28: ...Exterior view 26 Exterior view At a glance ...
Page 30: ...Cockpit 28 Cockpit At a glance ...
Page 32: ...Instrument cluster 30 Instrument cluster At a glance ...
Page 34: ...Instrument cluster 32 At a glance ...
Page 36: ...Storage compartments 34 Storage compartments At a glance ...
Page 44: ...42 ...
Page 84: ...82 ...
Page 149: ...Control system 147 Menus and submenus Controls in detail Z ...
Page 244: ...242 ...
Page 300: ...298 ...
Page 390: ...388 ...
Page 401: ...Weights 399 Weights Model All models Roof load max 220 lb 100 kg Technical data Z ...
Page 410: ...408 ...
Page 412: ...Order no 6515 1823 13 Part no 251 584 08 82 Edition A 2009 É2515840882 ËÍ 2515840882 ...