Mercedes-Benz B-Class Owner's Manual page 377

374 Wheels and tyres
374
N N o o t t es on noise or unusual handling c es on noise or unusual handling char
tics tics
Make sure there are no vibrations, noises or
unusual handling characteristics when the vehicle
is in motion. This may indicate that the wheels or
tyres are damaged. Hidden tyre damage could
also be causing the unusual handling characteris-
tics.
If you suspect that a tyre is defective, reduce your
speed immediately and have the tyres and wheels
checked at a quali ed specialist workshop.
N N o o t t es on r es on regularl egularly inspecting wheels and tyr y inspecting wheels and tyres es
& W W ARNING
ARNING Risk of injury due to damaged
tyres
Damaged tyres can cause tyre pressure loss.
Check the tyres regularly for signs of
#
damage and replace any damaged tyres
immediately.
haract acter eris- is- & W W ARNING
ARNING Risk of aquaplaning due to
insu cient tyre tread
Insu cient tyre tread will result in reduced
tyre grip.
The risk of aquaplaning is increased on wet
roads, especially when the speed of the vehi-
cle is not adapted to suit the conditions.
Thus, you should regularly check the
#
tread depth and the condition of the
tread across the entire width of all tyres.
Minimum tread depth for:
Summer tyres: 3 mm
R
M+S tyres: 4 mm
R
For safety reasons, replace the tyres
#
before the legally-prescribed limit for the
minimum tread depth is reached.
Carry out the following checks on all wheels regu-
larly, at least once a month or as required, for
example, prior to a long journey or driving o -
road:
Check the tyre pressure (
R
Visually inspect wheels and tyres for damage.
R
Check the valve caps.
R
Visual check of the tyre tread depth and the
R
tyre contact surface across the entire width.
The minimum tread depth for summer tyres is
3 mm and for winter tyres 4 mm.
N N o o t t es on sno es on snow c
& W W ARNING
rectly tted snow chains
If you have tted snow chains to the rear
wheels, they may drag against the vehicle
body or chassis components.
Never t snow chains on the rear
#
wheels.
Only t snow chains on the front wheels
#
in pairs.
page 375).
/
w chains hains
ARNING Risk of accident due to incor-