Operation
Tires and wheels
Aspect ratio
Rim diameter
Warning!
G
The aspect ratio 2 (୴ page 376) 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.
The rim diameter 4 (୴ page 376) is the
diameter of the bead seat, not the
diameter of the rim edge. Rim diameter is
indicated in inches (in).
The tire load rating must always be at least
half of the GAWR (୴ page 386) 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.
Tire load rating
The tire load rating 5 (୴ page 376) is a
numerical code associated with the
maximum load a tire can support.
Always replace rims and tires with the same
designation, manufacturer and type as
shown on the original part.
Tire code
The tire code 3 (୴ page 376) indicates
the tire construction type. The “R” stands
for radial tire type. Letter “D” means diag-
onal or bias ply construction; letter “B”
means belted-bias ply construction.
For example, a load rating of 91 corre-
sponds to a maximum load of 1356 lbs
Warning!
G
(615
kg) the tire is designed to support.
See also “Maximum tire load”
At the tire manufacturer’s option, any tire
with a speed capability above 149 mph
(୴ page 382) where the maximum load as-
sociated with the load index is indicated in
kilograms and lbs.
Do not overload the tires by exceeding the
specified load limit as indicated on the plac-
ard 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.
(240
km/h) can include a “ZR” in the size
designation (for example: 245/40 ZR 18).
For additional information, see “Tire speed
rating” (୴ page 378).
377
| Categories | Mercedes-Benz Manuals, Mercedes-Benz R-Class Manuals |
|---|---|
| Tags | Mercedes Benz R350, Mercedes Benz V251, Mercedes-Benz R500 |
| Model Year | 2006 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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