492 Practical advice
Fl
at tyre
6 Turn the jack back to the ou t-of-us epo-
si tion.
6 Stow th ewhe elwre nch, centrin g pin
an d jack in the ve hicle tool kit in the
boot.
The MOExtend ed run-flat syste mmayonly
be used incomb inat ion with th etyr epres-
sure loss warning syste m.
! The max imum distance yo umay driv ein ru n-
flat mode depends onthelo ad in theve hicle. Itis
approxi mately 50 km if theve hicle is partially
laden and approximat ely 30 km iffully laden.
The max imum distanc et obe driven in run-f lat
mo de begins from themo me ntthety re pressure
loss warning appears in themu lti-f un ction dis-
play.
Yo um ustno tex ce ed a max imum spee d of
80 km /h. i
By using TIRE FIT before startin gthe run-flat
mo de, the ma ximu mdistan cecanbe in creased
co nsiderably .If TIRE FITca nn ot sealthety re due
to the ty pe of damage, you may still continue
dri ving up to the maximum possible distanc ein
run-flat mode.
iIf you chang eone or all of the tyres, ma ke
sure that you only use tyres lab elled "MOE xtend-
ed" in the size specified for the veh icle. G
Risk of acc ident Ha
vethe ti ghtening torq uechecke dimmed i-
at elyafter a wheel isch anged. Thewheels
co uld work lo oseifthey are nottightened to
a to rque of150 Nm . MO
Exte nded run-flat syst em* G
Risk of accident The han
dlingcharact eristics of your vehicle
de teriorate in run-flat mo de, for exam ple:
! when cornering
! when brakin g
! when acce lerati ngrapidly
You mus tthere fore adap tyou rdrivi ngstyle
ac cordi nglyan dav oid su dden chan ges indi-
re ction oracceleration, aswell asdriving
ov er obsta cles (ker bs, pot holes , of f-ro ad).
This is particu larlythe cas ewhen the vehicle
is heav ily la de n.
Th edist ance that canb edr iven in ru n-flat
mode depe ndsto alarg e ext enton the lo ads
exe rted on the vehi cle. Itca n therefore be
much less duet os peed,lo ad ,d rivi ng ma-
noeu vres ,ro ad surface condition, ou tside
tempe rature,et c. or also grea terif you drive
care fully. Run-
flat mode must be ended if:
! youhear bang ingn oises
! the vehi cles tart sto sh ake
! smok e iscreated and ther ei sa sm ellof
ru bber
! ESP®
is interve ningconstantly
! there aretear sin the side walls ofthe
ty re
After driving in run-flat mo de,you mu sthave
th ewh eel checked for damage ataqu alifie d
spe cial ist workshop whichha s th ene ces-
sary spe cial ist know ledge and tools to car ry
out the workrequire d. Thefault ytyremu st
alwa ysbe repla ced.
Me rced es-Benz re comm ends th atyou use a
Me rced es-Benz Service Cen tre fo rthisp ur-
po se.In pa rticular, work relevant to saf ety
or on safety-rel at ed syst emsmu st be car-
ried outat aq ualifi ed spec iali stwo rksh op. 216_R
E_2006-12a.book Seit e492 Montag, 2. Oktob er2006 12:06 12
