Mercedes-Benz Sprinter Operating Instructions Manual page 238

236 Wheels and tires
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 :
"LT": light truck tires in accordance with US
R
manufacturer standards.
"C": tires for commercial usage in accordance
R
with European manufacturer standards.
Aspect ratio (in percent)
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": radial tire
R
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.
3 3 :
:
Do not overload the tires by exceeding the maxi‐
mum permissible load.
See also:
Maximum permissible load on the Tire and
R
Loading Information placard (
Maximum tire load (
R
Load index
R
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 an authorized Mercedes-
Benz 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
Up to 75 mph (120 km/h)
1
L M+S
Up to 81 mph (130 km/h)
1
M M+S
Up to 87 mph (140 km/h)
1
N M+S
Up to 93 mph (150 km/h)
1
P M+S
Up to 100 mph (160 km/h)
1
Q M+S
Up to 118 mph (170 km/h)
1
R M+S
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.
page 231)
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page 235)
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