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MOBILITY
M+S
Winter tires, as well as all-season tires with
better winter performance than summer tires,
can be identified by the M+S marking on the
tire side wall.
Tire tread
Summer tires
Do not drive with a tire tread depth of less than
0.12 in/3 mm, otherwise there is an increased
risk of aquaplaning.
Winter tires
Do not drive with a tire tread depth of less than
0.16 in/4 mm, as such tires are less suitable for
winter driving conditions.
All-season tires
Do not drive with a tire tread depth of less than
0.16 in/4 mm, as such tires are less suitable for
winter driving conditions.
Minimum tread depth
Distributed over the tire circumference are
the tire manufacturer's wear indicators with a
height of at least 0.06 in/1.6 mm, which serve
as an indicator of tire tread wear.
The positions of the wear indicators are
marked on the tire sidewall with TWI, Tread
Wear Indicator.
320
Wheels and tires
Online Edition for Part no. 01405A7B930 - II/23
Irrespective of the wear indicators, observe the
statutory regulations on the minimum tread
depth.
Tire damage
General information
Check your tires regularly for damage, foreign
bodies lodged in the tread, and tread wear.
Driving over rough or damaged road surfaces,
as well as debris, curbs and other obstacles
can cause serious damage to wheels, tires and
suspension parts. This is more likely to occur
with low-profile tires, which provide less cush-
ioning between the wheel and the road. Be
careful to avoid road hazards and reduce your
speed, especially if the vehicle is equipped with
low-profile tires.
Indications of tire damage or other vehicle mal-
functions:
▷
Unusual vibrations.
▷
Unusual tire or running noises.
▷
Unusual handling such as a strong ten-
dency to pull to the left or right.
▷
Uneven wear pattern, e.g., increased wear
in the area of the tire shoulder.
Damage can be caused by the following situa-
tions, for instance:
▷
Driving over curbs.
▷
Road damage.
▷
Tire pressure too low.
▷
Vehicle overloading.
▷
Incorrect tire storage.
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