2011 Mercedes-Benz SLS AMG C197 Owners Manual

Tires and wheels
342
Aspect ratio
Aspect ratio;  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.
For example, a load rating of 91 corresponds
to a maximum load of 1356 lb (615 kg) the
tire is designed to support. See also
“Maximum tire load” (Y page 337) where the
maximum load associated with the load index
is indicated in kilograms and lbs.
For additional information on the load index,
see “Load identification” (Y page 343).
Tire code
Tire code=  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
Speed symbol
G Warning!
Even when permitted by law, never operate a
vehicle at speeds greater than the maximum
speed rating of the tires.
(240
km/h) can include a “ZR” in the size
Exceeding the maximum speed for which tires
are rated can lead to sudden tire failure,
causing loss of vehicle control and possibly
resulting in an accident and/or serious
personal injury and possible death, for you
and for others.
designation (for example: 245/40 ZR 18). For
additional information, see “Tire speed
rating” (Y page 342).
Rim diameter
Rim diameter?  is the diameter of the bead
seat, not the diameter of the rim edge. The
rim diameter is indicated in inches (in).
Regardless of the tire speed rating, local
speed limits should be obeyed. Use prudent
driving speeds appropriate to prevailing
conditions.
Speed symbolB  indicates the approved
maximum speed (tire speed rating) for the
tire.
Load index
G Warning!
The tire load rating must always be at least
half of the GAWR of your vehicle. Otherwise,
tire failure may be the result which may cause
an accident and/or serious injury to you or
others.
Summer tires
Index
Speed rating
Always replace rims and tires with the same
designation, manufacturer and type as shown
on the original part.
Q
up to 100 mph (160 km/h)
up to 106 mph (170 km/h)
up to 112 mph (180 km/h)
up to 118 mph (190 km/h)
up to 130 mph (210 km/h)
up to 149 mph (240 km/h)
up to 168 mph (270 km/h)
up to 186 mph (300 km/h)
up to 186 mph (300 km/h)
R
G Warning!
S
Do not overload the tires by exceeding the
specified load limit as indicated on the Tire
and Loading Information placard on the
driver’s door B-pillar. Overloading the tires
can overheat them, possibly causing a
blowout. Overloading the tires can also result
in handling or steering problems, or brake
failure.
T
H
V
W
Y
ZR...Y
Load indexA is a numerical code associated
with the maximum load a tire can support.
Product Specification
CategoriesMercedes-Benz Manuals, Mercedes-Benz SLS-Class Manuals
Tags
Model Year2011
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