Preparing
thev ehicle foraw heelchange Re
quirements:
R The tire-chang etool kit is available.
R The vehicle is no tonaslope.
R The vehicle is on solid, non-slipper yand le vel
ground. #
Appl ythe parking brake. #
Movethef ront wheels tothes traight-ahead
position. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffthee ngine. #
Mak esuret hat thee ngine cann otbe star ted. #
Take thev ehicle tool kit from thef ootwell on
th ef ront passsenger side (/ page291). Ve
hicles with rear wheel drive #
Take thej acka nd thet ire-chang etool kit out
of thes towa ge compartment (/ page312). #
Ifnecessa ry,r emo vetheh ub cab. #
Assemble thel ug wrenc hextensio nusing the
middl erod and ther od wit hthe lar gest diam‐
et er from thet hree-piece jac kpum pleve r. #
Startin gwitht he middle rod, slide thel ug
wrenc hextensio nasfar as it will go ont othe
lug wrench. #
Using thel ug wrench, loosen thew heel nuts
or bolts on thew heel youw ish tochang eby
about one full turn. Do no tunscr ewthew heel
nuts or bolts comple tely. #
Raise thev ehicle (/ page313). Ra
ising thev ehicle when changing awheel &
WARNING Risk of inju ryfrom jac ktip‐
ping
If yo up arkav ehicle wit hair suspension, the
air suspension ma yremain acti vatedf or up to
one hour ,evenw hen thei gnition is switched
off. If yout hen raise thev ehicle wit hthe jac k,
th ea ir suspension will attem pttoadjus tthe
ve hicle le vel.
The jac kmaytip. #
Press theS ervice button on thea ir sus‐
pension remo tecontrol befor eraising
th ev ehicle.
This pr events au tomatic readjustment
of thev ehicle le vela nd pr events it from
being raised or lo weredm anually. &
WARNING Risk of inju ryfrom incor rect
positioning of thej ack
If yo udon otpositio nthe jac kcorrectl yatt he
appropriat ejackin gpointoft hevehicle, the
jac kc ould tip wi th thevehicle raised. #
Onlyposition thej ackatt he appropriate
jacking point of thev ehicle. The base of
th ej ackm ustbep ositioned vertically
under thej acking point of thev ehicle. &
WARNING Risk of inju ryfrom vehicle tip‐
ping
On slopes, thej ackc ould tip wit hthe vehicle
ra ised. #
Neverc hang eaw heel on aslope. #
Consult aqualified specialis tworks hop. *
NO
TEVehicle damag efromt he jack If
yo udon otpositio nthe jac kcorrectl yatt he
appropriat ejacks uppor tpoin toft hevehicle,
th ej ackc ould tip overwitht he vehicle raised. #
The jac kisdesigned exclusively for
jacking up thev ehicle at thej acks up‐
por tpoints. Re
quirements:
R Ther eareno persons in thev ehicle.
R The vehicle is prepared forc hanging awheel
(/ page313). Wheels and tires
313
&
WARNING Risk of inju ryfrom tightening
whee lbolts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip. #
Onlytighten wheel bolts or wheel nuts
when thev ehicle is on theg round. #
Obser vethei nformation on thec hoice of
tires (/ page310). #
Fors afet yr easons, onl yuse wheel bolt sor
wheel nut swhichh aveb een appr ovedby
Mercedes-Benza ndfort he wheel in question.
When youi nstallth es teel spar ewheel, it is
essential youu se shor twheel bolt sfor as teel
wheel. Using other wheel bolts when ins talling
th es teel spar ewheel ma ylead todamag etothe
brak esystem. 1
Wheel bolt fora lloy wheels
2 Wheel bolt fors teel wheel #
Clean thew heel and wheel hub contact sur fa‐
ces. #
Vehicles with Super Single tires: first
ins tallth ea dap terf or then arro ws parew heel
on thew heel hub. #
Slide then ew wheel whic histobeinstalled
ont othe wheel hub or thea dap terf or the
spar ewheel and push it on. #
Slide then ew wheel whic histobeinstalled
ont othe wheel hub and push it on.
Wheels centered using thew heel bolts: #
Vehicles wit halloyw heels: use thes hort
wheel bolts fort he steel spar ewheel from the
ve hicle tool kit. #
Screw inthew heel bolts until they aref inger-
tight.
Wheels with wh eeln uts: #
Front wheels wit hwheel nut co ver:press the
wheel nut co vero ntot he wheel nuts. #
Screw inthre ew heel nuts overthe fixing
discs of thew heel nut co ver. #
Turn thew heel so that thew heel bolts ar ein
th em iddle of theh oles. #
Screw inther emaining wheel nuts. #
Slightly tigh tena llth ew heel nuts. Lo
weri ngthev ehicle af teraw heelchange &
WARNING Risk of inju rythro ugh incor‐
re ct tigh tening torque
Th ew heel scould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed tightening torque. #
Makesur ethe wheel bolts or wheel
nuts ar etightened tothep rescribed
tightening torque. #
Ifyo ua renots ure, do no tmovet he
ve hicle. Consult aqualified specialist
wo rkshop and ha vethet ightening tor‐
qu ec hec kedi mmediately. Re
quirements:
R The ne wwheel has been ins talled
(/ page315).
Obse rvet he no tesonr aising thev ehicle
(/ page313).
Ve hicles with rear wheel drive
Only use them iddle roda nd thep um pleve rrod
wit hthe larges tdiame terf or thej ackasa lug
wrenc hextension. Only inse rtthem iddle rodon
th el ug wrench, and alw aysasf ar as it will go.
Otherwise, ther ods could bend and defor mso
muc hthat they can no longer be use daspump
le ve rs fort he jac k.
Ve hicles wit hSuper Single tires: if youm ountthe
spar ewheel tother ear axle, do no texceed the
maximu mspeed of 34 mph(55 km/h) and the
maximu mdista nce of 62 miles (100 km) .Other‐
wise, thet ransmission could be damaged due to
th ed iffe re nt rotational speed softhe wheels. #
Using thep um pleve r,slowly tur nthe drain
scr ew onthej acka ppr oximatel yone revo lu‐
tion and carefull ylow erthev ehicle. 316
Wheels and tires
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofsparew heel car rier
4. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (Cargo Van/Passenger Van) #
Carefully place thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors. Ve
hicles with rear wheel drive: removing the
spar ewheel (vehicl ewithl ow ered chassis) Bolt co
vers fort he saf etyh ooks (exa mp le: Cargo
Va n) #
Ope nthe rear-en ddoors. Wheel
sand tires 319
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise thes par ew heel car rier wit hthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Position loop 7ofextraction device 6on
th es par ew heel so that youw ill later be able
to attac hlug wrench 8. #
Prepar ethe jac k. #
Place thej ackb eneat hthe cor responding
jac ksuppor tpoint. #
Movethep um pleve rupa nd down until the
tir eisr aised amaximum of 1.18 in (3 cm) off
th eg round. #
Hook lug wrench 8intoloop 7ofextrac‐
tio nd evice 6 onthes par ew heel. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. #
Remo vethes par ew heel extraction device
and stor eitinas afep lace. Youc an now
ins tallth es par ew heel to yo urvehicle. #
Lowe rthe vehicle.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (vehicle with lo weredc hassis)
% In
thee vent of aflat tire, youm aystor et he
defectiv ewheel inside thev ehicle only .An
intact wheel ma ybestore dint he spare
wheel car rier onl ywhen thev ehicle is unla‐
den. Aladen vehicle mus tfirst be raised. #
Carefull yplace thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors.
Ve hicles with rear wheel drive: removing the
spar ewheel (chassis) #
Loosen wing nuts 3manually and then
re mo vethem. #
Loosen nuts 2asfarast hethre ad end. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 1. #
Assemble thep um pleve rfor thej acka nd
slide it int othe slee veon ther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 1. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofthe spar ewheel car‐
ri er. #
Carefully remo vethes par ew heel from the
spar ewheel car rier .T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. 320
Wheels and tires