Run-flat tyres
Principle
In the event of a complete loss of tyre inflation
pressure, run-flat tyres enable you to continue
driving, with certain restrictions.
General
The wheels are fitted with tyres which are self-
supporting to a limited degree. They may also
have special rims.
The reinforced side wall means that the tyre
keeps the vehicle mobile to a degree even if tyre
inflation pressure has been lost.
Observe the notes on continuing to drive with a
flat tyre.
Safety notes
WARNING
A run-flat tyre which has low tyre inflation pres‐
sure or no tyre inflation pressure at all will
change the vehicle's handling characteristics,
for example there may be reduced directional
stability when braking, longer braking distances
and different self-steering characteristics.
There is a risk of accident. Drive with care and
do not exceed a speed of 80 km/h, 50 mph.
WARNING
Continuing to drive with a flat tyre can result in
heavy trailers starting to slalom. There is a dan‐
ger of accidents or damage to property. When
driving with a trailer and a flat tyre, do not ex‐
ceed the speed of 60 km/h, 35 mph. If the
trailer starts to snake, brake immediately and
make the necessary steering corrections as
carefully as possible.
Label
The tyres are identified on the tyre's side wall by
RSC Runflat System Component.
Remedying flat tyres
Safety measures
▷ Park the vehicle on a firm surface and as far
away from moving traffic as possible.
▷ Switch on the hazard warning lights.
▷ Apply the parking brake to prevent the vehi‐
cle rolling away.
▷ Engage the steering wheel lock with the
wheels in the straight-ahead position.
▷ Have all vehicle occupants get out of the ve‐
hicle and guide them out of the danger area,
for example behind the crash barrier.
▷ Set up the warning triangle an appropriate
distance away.
Mobility System
Principle
With the Mobility System, minor tyre damage
can be quickly sealed, to allow you to drive on.
For this purpose, liquid sealant is pumped into
the tyres which encloses the damage from the
inside when it hardens.
Seite 341
Wheels and tyres
MOBILITY
341
Online Edition for Part no. xxx - VI/19
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