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Run-flat tires
Concept
Run-flat tires permit continued driving under re‐
stricted conditions even in the event of a com‐
plete loss of tire inflation pressure.
General information
The wheels consist of tires that are self-support‐
ing, to a limited degree, and possibly special
rims.
The support of the sidewall allows the tire to re‐
main drivable to a restricted degree in the event
of a tire inflation pressure loss.
Follow the instructions for continued driving with
a flat tire.
Safety information
Warning
Your vehicle handles differently with a run-flat
tire with no or low inflation pressure; for in‐
stance, your lane stability when braking is re‐
duced, braking distances are longer and the
self-steering properties will change. There is a
risk of accident. Drive moderately and do not
exceed a speed of 50 mph/80 km/h.
Warning
Heavy trailers can start swinging when continu‐
ing to drive with a flat tire. There may be a risk
of accident or risk of damage to property. Do
not exceed a speed of 35 mph/60 km/h when
driving with a trailer and a flat tire. Immediately
brake in the case of swinging. Apply necessary
steering corrections as carefully as possible.
Label
The tires are marked on the tire sidewall with
RSC Run-flat System Component.
Repairing a flat tire
Safety measures
▷ Park the vehicle as far away as possible from
passing traffic and on solid ground.
▷ Switch on the hazard warning system.
▷ Secure the vehicle against rolling away by
setting the parking brake.
▷ Turn the steering wheel until the front wheels
are in the straight-ahead position and engage
the steering wheel lock.
▷ Have all vehicle occupants get out of the ve‐
hicle and ensure that they remain outside the
immediate area in a safe place, such as be‐
hind a guardrail.
▷ If necessary, set up a warning triangle at an
appropriate distance.
Mobility System
Concept
With the Mobility System, minor tire damage can
be sealed temporarily to enable continued travel.
To accomplish this, sealant is pumped into the
tires, which seals the damage from the inside.
Seite 339
Wheels and tires
MOBILITY
339
Online Edition for Part no. 01402667211 - VI/19
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