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Observe the following when selecting, installing
and replacing tires:
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Only use tires and wheels of the same type
(summer tires, winter tires, MOExtended
tires) and the same make.
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Only install wheels of the same size on one
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.
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Only install tires of the correct size onto the
wheels.
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Vehicles with a tire pressure monitoring
system: All installed wheels must be equip‐
ped with functioning sensors for the tire
pressure monitoring system.
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At temperatures below 45 °F (7 °C), use win‐
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.
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For M+S tires, only use tires with the same
tread.
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Observe the maximum permissible speed for
the M+S tires installed.
If this is below the vehicle's maximum speed,
this must be indicated by an appropriate
label in the driver's field of vision.
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Break in new tires at moderate speeds for
the first 60 miles (100 km).
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Replace the tires after six years at the latest,
regardless of wear.
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When replacing with tires that do not fea‐
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:
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Notes on tire pressure (→ page 377)
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Tire and Loading Information placard
(→ page 384)
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Tire size designation, load-bearing capacity,
speed rating and load index (→ page 391)
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Tire pressure table (→ page 379)
Notes on rotating wheels
&
WARNING Risk of injury through differ‐
ent wheel sizes
Interchanging the front and rear wheels if the
wheels or tires have different dimensions
may severely impair the driving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged.
#
Rotate front and rear wheels only if the
wheels and tires are of the same dimen‐
sions.
398
Wheels and tires
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