Mercedes-Benz SL-Class 2008 Owners Manual - Manual (Page 316)

315
Operation
Tires and wheels
For additional information on tire load
rating, see “Load identification”
(
୴ page 317).
Tire speed rating
The tire speed rating 6 ( ୴ page 313)
indicates the approved maximum speed
for the tire.
Summer tires
Warning!
G
The tire load rating must always be at least
half of the GAWR ( ୴ page 323) of your vehi-
cle. Otherwise, tire failure may be the result
which may cause an accident and/or seri-
ous personal injury to you or others.
Always replace rims and tires with the same
designation, manufacturer and type as
shown on the original part.
Warning!
G
Do not overload the tires by exceeding the
specified load limit as indicated on the Tire
and Loading Information placard located 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.
i
Tire load rating 5 ( ୴ page 313) and tire
speed rating 6 ( ୴ page 313) are also referred
to as “service description”.
Warning!
G
Even when permitted by law, never operate
a vehicle at speeds greater than the
maximum speed rating of the tires.
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
personal injury and possible death, for you
and for others.
i Tire load rating 5 ( ୴ page 313) and tire
speed rating 6 ( ୴ page 313) are also referred
to as “service description”.
Index Speed rating
Q up to 100 mph (160 km/h)
R up to 106 mph (170 km/h)
S up to 112 mph (180 km/h)
T up to 118 mph (190 km/h)
H up to 130 mph (210 km/h)
V up to 149 mph (240 km/h)
W up to 168 mph (270 km/h)
Y up to 186 mph (300 km/h)
(Y) above 186 mph (300 km/h)
ZR above 149 mph (240 km/h)