WHEELS AND TYRES
pressure can be selected to give the best possi-
ble fuel economy. If the best possible noise and
travelling comfort conditions are sought, the
lower comfort pressures are recommended
instead.
Wheel and wheel rim dimensions
Wheel and rim dimensions are designated in
accordance with the examples in the table
below.
Tyres - dimensions
The car's tyres have a certain dimension, see the
examples in the table below.
The dimensions are stated on all car tyres. Exam-
ple of designation:215/55R16 97W.
The car has an approval for the complete vehicle.
This means that there are certain combinations
of wheels and tyres that are approved.
(See approved tyre pressures(p. 409).)
205 Tyre width (mm)
Related information
Tyres - speed ratings (p. 324)
•
•
•
•
•
For information about approved dimensions, see
Wheels and tyres - approved dimensions
(p. 407).
50 Ratio between tyre wall height and tyre
width (%)
Tyres - direction of rotation (p. 321)
Tyres - maintenance (p. 320)
R
Radial ply
Wheels (rims) have a designation of dimensions,
for example: 7Jx16x50.
Tyres - tread wear indicators (p. 322)
Tyres - approved tyre pressures (p. 409)
17 Rim diameter in inches (")
93 Codes for the maximum permitted tyre
load, load index (p. 324) (LI)
7
J
Rim width in inches
Rim flange profile
W
Speed rating for maximum permitted
speed, speed rating (p. 324) (SS). (In
this case 270 km/h (168 mph)).
16 Rim diameter in inches
50 Off-set in mm (distance from wheel cen-
tre to wheel contact surface against the
hub)
The car has an approval for the complete vehicle
with certain combinations of wheel rims and
tyres.
Related information
•
For information about approved dimensions, see
Wheels and tyres - approved dimensions
(p. 407).
Wheel nuts (p. 325)
Related information
Tyres - air pressure (p. 322)
•
Tyres - direction of rotation (p. 321)
•
}}
323
English 
