#
Observe the tire load rating and speed
rating required for your vehicle.
1
Prefixing letter
2
Nominal tire width in millimeters
3
Aspect ratio (in percent)
4
Tire code
5
Rim diameter
6
Load-bearing index
7
Speed rating
8
Load index
%
The data shown in the illustration is sample
data.
Further information about reading tire data can
be obtained from any qualified specialist work‐
shop.
Prefixing letter
1
1
:
R
"LT": light truck tires in accordance with US
manufacturer standards.
R
"C": tires for commercial usage in accordance
with European manufacturer standards.
Aspect ratio (in percent)
3
3
:
The size ratio between the tire height and tire
width and is shown in percent (tire height divided
by tire width).
Tire code
4
4
(tire type):
R
"R": radial tire
Rim diameter
5
5
:
The diameter of the bead seat (not the diameter
of the rim flange). The rim diameter is specified in
inches (in).
Load-bearing index
6
6
:
Numerical code which specifies the maximum
load-bearing capacity of a tire ("91" equals, e.g.
1356 lb (615 kg)).
The tire load-bearing capacity must be at least
half the gross axle weight rating of the vehicle.
Do not overload the tires by exceeding the maxi‐
mum permissible load.
See also:
R
Maximum permissible load on the Tire and
Loading Information placard (
/
page 250)
R
Maximum tire load (
/
page 254)
R
Load index
Speed rating
7
7
:
Specifies the approved maximum speed of the
tire.
%
An electronic speed limiter prevents your
vehicle from exceeding a speed of 130 mph
(210 km/h).
Ensure that your tires have the required speed
rating. You can obtain information on the
required speed rating at a Freightliner Sprinter
service center.
Summer tires
Index
Speed rating
L
Up to 75 mph (120 km/h)
M
Up to 81 mph (130 km/h)
N
Up to 87 mph (140 km/h)
P
Up to 93 mph (150 km/h)
Q
Up to 100 mph (160 km/h)
R
Up to 106 mph (170 km/h)
Summer, all-season and winter tires
Index
Speed rating
L M+S
1
Up to 75 mph (120 km/h)
M M+S
1
Up to 81 mph (130 km/h)
N M+S
1
Up to 87 mph (140 km/h)
P M+S
1
Up to 93 mph (150 km/h)
Q M+S
1
Up to 100 mph (160 km/h)
R M+S
1
Up to 118 mph (170 km/h)
1
: or "M+S
i
" for winter tires
Winter tires are marked with the
i
snowflake
symbol and fulfill the requirements of the Rubber
Manufacturers Association (RMA) and the Rubber
Association of Canada (RAC) regarding the tire
traction on snow.
Wheels and tires 255
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