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308 Wheels and tires
Observe the following when selecting, installing
and replacing tires:
Furthermore, the use of certain tire types in
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certain regions and areas of operation can
be highly beneficial.
Only use tires and wheels of the same type
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(summer tires, winter tires, MOExtended
tires) and the same make.
Only install wheels of the same size on one
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axle (left and right).
It is only permissible to install a different
wheel size in the event of a flat tire in order
to drive to the specialist workshop.
Vehicles with a tire pressure monitoring
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system: All installed wheels must be equip‐
ped with functioning sensors for the tire
pressure monitoring system.
At temperatures below 45°F (7°C) use win‐
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ter tires or all-season tires marked M+S for
all wheels.
Winter tires bearing the i snowflake sym‐
bol in addition to the M+S marking provide
the best possible grip in wintry road condi‐
tions.
For M+S tires, only use tires with the same
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tread.
Observe the maximum permissible speed for
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the M+S tires installed.
If the tire's maximum speed is below that of
the vehicle, this must be indicated by an
appropriate label in the driver's field of
vision.
Break in new tires at moderate speeds for
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the first 60 miles (100 km).
Replace the tires after six years at the latest,
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regardless of wear.
When replacing with tires that do not fea‐
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ture run-flat characteristics: vehicles with
MOExtended tires are not equipped with a
TIREFIT kit at the factory. Equip the vehicle
with a TIREFIT kit after replacing with tires
that do not feature run-flat characteristics,
e.g. winter tires.
For more information on wheels and tires, con‐
tact a qualified specialist workshop.
Be sure to also observe the following further
related subjects:
Notes on tire pressure (
page 288)
/
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Tire and Loading Information placard
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(
page 293)
/
Tire size designation, load-bearing capacity,
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speed rating and load index (
/
Tire pressure table (
page 290)
/
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Notes on the emergency spare wheel
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(
page 315)
/
& WARNING Risk of accident caused by
non-approved tire types
If you use tire types that have not been adap‐
ted to changes made to the factory speed
limit, this can have the following consequen‐
ces:
The tires are not suitable for high speeds
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and the corresponding driving dynamics.
The tires wear unevenly and affect the
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roadworthiness of the vehicle.
page 301)
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