Only position
thej ackont he jac ksuppor tpoints
intended fort his purpose. Youc oul do therwise
damag ethe vehicle.
Impor tant no tesonu singthej ack:
R Onlyusethev ehicle-speci ficj ackt hat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle. If thej ackisu sed incor‐
re ctly ,itc ould tip over while thev ehicle is
ra ised.
R The jac kisdesigned onl ytoraisethev ehicle
fo ras horttime whil eawheelisb eing
ch anged and is no tsuitable forc arrying out
maintenance workunde rthe vehicle.
R Avoid changing awheel on uphill and downhill
slopes.
R The jac kmustbep lacedonaf irm,flat and
non-slip sur face. If necessar y,use alarge,
fl at, load bearing and non-slip unde rlay.
R The base of thej ackisp ositioned vertically
under thej acks uppor tpoint.
Saf etyi nstruction swhile thev ehicle is raised:
R Do no tputyour hands or feet unde rthe vehi‐
cle.
R Do no tlie underneat hthe vehicle.
R Do no tstart thee ngine and do no trelease
th ep arking brake.
R Do no topen or close an ydoors.
Ve hicles with rear wheel drive Jack
suppor tpoints
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 msomuc
hthat they can no longer be use daspump
le ve rs fort he jac k. #
Toprepar ethe hydrauli cjack: insertthe
th irdr od of pum plever 1fort he jac kinto
th el ug wrenc hextension. #
Close pressur erelease scr ew3. #
Todo this, use thef lattened sectio nonpump
le ver 1totur np ressur erelease scr ew3
clockwise tothes top.
% Do no
tturnp ressur erelease scr ew3 more
th an one or tw ofull turns .Hydraulic fluid
coul dotherwise escape. #
Inser tpum plever 1withthe larges trod into
th er eces sont he jac kand secur ebyturning
it clo ckwise. #
Place thej ackv erticall ybeneat hthe jac ksup‐
por tpoints described belo w. Jac
ksuppor tpoint, front axle 222
Wheels and tires
Jac
ksuppor tpoint, rear axle (e xamp le:chassis
up to3.5 t) Jack
suppor tpoint, rear axle (e xamp le: Cargo
Va na nd Passenger Vanu pto4 .0 t) Jack
suppor tpoint, rear axle (vehicles 5. 0t) #
Place thej ackb eneat hthe jac ksupport
point. #
Vehicles with all-wheel drive: turnjack
spindle 2counter-clockwise as farasitw ill
go. #
Raise thev ehicle until thet ireisr aised amax‐
imum of 1.2in(3c m) offthe ground. #
Loosen and remo vethew heel (/ page223). Re
moving awheel Re
quirements:
R The vehicle is raised (/ page221).
When changing awheel, avoid applying any
fo rc etot he brak ediscs since this could
impair thel eve lofc omfort when braking.
* NO
TEDama getothre ading from dir ton
wheel bolts #
Do no tplace wheel bolt sinsandorona
dirty sur face. #
Unscr ewthew heel bolts or nuts wit hthe
whee lnut wrench. #
On front wheels wit hwheel nuts, remo vethe
wheel nut co ver. #
Remo vethew heel. Installing
anew wheel Re
quirements:
R The wheel is remo ved( /pag e223). &
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause thew heel bolts/wheel
nuts tocome loose.
As aresult, youc oul dlose awheel while driv‐
ing. #
Nevero il or grease thet hreads. #
Inthee vent of damag etothethre ads,
con tact aq ualified specialis tworks hop
immediatel y. #
Have thed amaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do no tcontinue driving. Wheels and tires
223
#
Place thej acktoo ne side. #
Pull ther od wit hthe smalles tdiame tero ffthe
pum pleve r.
The shor tened pu mpleve rs erve sasal ug
wrenc hextension. #
Startin gwitht he middle rod, slide thel ug
wrenc hextensio nasfar as it will go ont othe
lug wrench. #
Tighten thew heel bolts or nuts evenlyint he
sequence indicated (1 to6 ).
Specified tightenin gtorque:
R Steel wheel bolts: 177l b-f t(24 0N m)
R Whee lnuts: 133lb-f t(18 0N m)
R Alloywheel bolts: 133lb-f t(18 0N m) #
Push thep isto nont hehydraulic jac kinagain
and close thep ressur erelease scr ew. #
Vehicles with all-wheel drive: turnthe jack
spindle clockwise as farasitw illg o.
% Yo
uc an no winstallth eh ub caps on steel
wheels wit hwheel bolts. The ins tallation pro‐
cedur edepends on whe ther theh ub cap acts
as atrimt hat co vers thew hole wheel, or just
co vers thec enter. #
Wheel wit hhub cap: position theo pening for
th et irev alveint he hub cap overthe tire
va lve. #
Push thee dgeoft he hub cap ont othe wheel
ri mw ithb othh ands until it engages into
place. Mak esuret he hub cap retaining
cat ches engag eonthesteel wheel. #
Wheel with central hub cap: positionthe
re tainin glugs of thec ent ralh ub cap overthe
whee lbolts. #
Hitthem iddle of theh ub cap toengag eiton
th ew heel. #
Secur ethe faulty wheel in thes par ew heel
brac ket. #
Vehicles with Super Single tires: transport
th ed efectiv erear wheel in thel oad area. The
re ar wheel is tool arge fort he spar ewheel
brac ket. #
Chec kthe tir epressur eoft he newl yins talled
wheel and adjus titifnecessar y. #
Retighten thew heel bolts or wheel nuts tothe
specified tightening torque af tert he vehicle
has been driven 31miles (50 km). #
When using awhee lors parew hee lwitha
ne worn ewly painted whee lrim, ha vethe
wheel bolt sornutsr etightene dafter appr ox‐
ima tely 620 mile s(1,000 km) to3,10 0m iles
(5,000 km).
% Ve
hicles with thet irep ressur emonitor
sy stem: all ins talled wheels mus tbeequip‐
ped wit hfunctioning sensors.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e204) Spar
ewheel Note
sont he spar ewheel &
WARNING Risk of accident caused by
incor rect wheel and tir edimensions
Wheel and tir edimensions as well as thet ype
of tir emayvary between thes par ew heel and
th ew heel tobe replaced. When thes pare
wheel is ins talled, driving characteristic smay
be se verely af fected.
To prev ent hazardous situations: #
Adapty our driving stylea ccording lyand
driv ecarefull y. #
Neverins tall mor ethan one spar ewheel
th at dif fers from thew heel tobe
re placed. #
Onlyusethes par ew heel that dif fers
from thew heel tobe replaced fora
shor ttime. #
Do no tswitc hoffESP ®
. #
Have thes par ew heel of adiffe re nt size
re placed at then eares tqualified spe‐
cialis tworks hop. The wheel and tire Wheels and tires
225
#
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 227
#
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. 228
Wheels and tires