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Operation
Tyres and wheels
may be adversely affected. In addition, the
wheels may come into contact with the
body or axle components when heavily loa-
ded or when driving with snow chains. This
could result in damage to the tyres or the
vehicle.
!
Retreaded tyres are neither tested nor
recommended by Mercedes-Benz, since
previous damage cannot always be detec-
ted on retreaded tyres. As a result,
Mercedes-Benz cannot guarantee vehicle
safety if retreaded tyres are fitted. Do not
fit used tyres if you have no information
about their previous usage.
G Risk of accident
If wheels or tyres other than those which
have been tested are fitted:
the brakes or chassis components could
R
be damaged
wheel and tyre clearances can no longer
R
be guaranteed
This could cause an accident.
Modification work on the brake system and
wheels is not permitted, nor is the use of
spacer plates or brake dust shields. This inva-
lidates the General Operating Permit for the
vehicle.
156
Notes on selecting, fitting and replacing
tyres
Only fit tyres and wheels of the same type
R
and make.
Only fit tyres of the correct size onto the
R
wheels.
After fitting new tyres, run them in at mod-
R
erate speeds for the first 100 km as they
only reach their full performance after this
distance.
Fit new tyres on the front wheels first if
R
tyres of the same size are required on the
front and rear wheels.
Replace the tyres after six years at the lat-
R
est, regardless of wear. This also applies to
the spare wheel*.
Do not drive with tyres which have too little
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tread depth as this significantly reduces
the traction on wet roads (aquaplaning).
!
Store tyres that are not being used in a
cool, dry and preferably dark place. Protect
the tyres against oil, grease, petrol and die-
sel.
Notes on regularly inspecting wheels
and tyres
Regularly check the wheels and tyres of
R
your vehicle for damage (e.g. cuts, punctu-
res, tears, bumps on tyres and deforma-
tion, cracks or severe corrosion on wheels),
at least every 14 days, as well as after off-
road trips or after travelling on rough roads.
Damaged wheels could cause a loss of tyre
pressure.
Regularly check the tyre tread depth and
R
the condition of the tread across the whole
width of the tyre (
page 157). If neces-
Y
sary, turn the front wheels to full lock in
order to inspect the inner side of the tyre
surface.
All wheels must have a valve cap to protect
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the valve against dirt and moisture.
Regularly check the pressure of all your
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tyres (including the spare tyre*), particu-
larly prior to long trips, and correct the
pressure as necessary (
page 157).
Y
Notes on driving
While driving, pay attention to vibrations,
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noises and unusual handling characteris-
tics, e.g. pulling to one side. This may indi-
* optional
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