Page 380 of 498

Setting upthef olding wheel chock
Prepa ring thev ehicle foraw heelchange
Re quirementsRThe requ ired tire-chang etool kit is available.
If yo ur vehicle is no tequipped wit hthe tire-
ch ang etool kit, consult aqualified specialis t
wo rkshop tofind outa boutsuitable tools.
RThe vehicle is no tonaslope.
RThevehicle is on solid, non-slipper yand le vel
ground .
#Applythee lectric parking brak emanually.
#Movethef ront wheels tothes traight-ahead
position.
#Ve hicles with automatic transmission:
shif tint op osition j.
#Vehicles with AI RBODYC ONT ROL:setthe
normal vehicle le vel(→pag e178).
#Switc hoffthee ngine.
#Mak esuret hat thee ngine cannot bestar ted.
#Place choc ks orother suitable items under
th ef ront and rear of thew heel that is diago‐
nall yopposit ethe wheel youw ish tochange.
#Re mo vetheh ub caps if necessary
(→pag e378).
#Raising thev ehicle (→pag e379).
Removing and in stalling hub caps
Re quirement:RThe vehicle is prepared foraw heelc hange
(→pag e378).
Plas tic hub cap
#Toremo ve:tur nthe center co veroft he hub
cap anti-clockwise and remo vetheh ub cap.
#Toinstall: makesuret hat thec enter co vero f
th eh ub cap is turned anti-clockwise.
#Position theh ub cap and tur nthe center
co verc lockwise until theh ub cap engages
ph ysicall yand audibly.
378
Wheels and tires
Page 381 of 498

Aluminum hubcap
#Toremo ve:positio nsocket2 on hubc ap
1.
% The soc ketc an be found inthet ire-change
to ol kit.
#Po sition wheel spanner 3on soc ket2.
#Using whee lspa nner 3,turnh ub cap 1
counter-clo ckwise and remo veit.
#To install: position hub cap 1and tur nuntil
it is comple tely flush withthe wheel.
#Position soc ket2 on hubc ap1.
#Attach wheel spanner 3tosoc ket2 and
tighten theh ub cap clockwise.
Specified tightening torq ue: 18lb-ft
(25 Nm).
#Ra ise thev ehicle (→pag e379).
Raising thev ehicle when changing awheel
Requirements:RTher eareno persons in thev ehicle.
RThe vehicle has been prepared foraw heel
ch ang e(→pag e378).
RThe hub caps ha vebeen remo ved
(→pag e378).
Impo rtant no tesonu singthej ack:
Ronl yusethev ehicle-specific jac kthat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle.
Rthej ackiso nlyd esigned forr aising and hold‐
ing thev ehicle foras horttime while awheel
is being changed and no tfor maintenance
wo rkunder thev ehicle.
Rthej ackm ustbep laced on afirm, flat and
non-slip sur face. If necessar y,use alarge ,
load-bearing, non-slip underla y.
Rthef ootoft he jac kmustbep ositioned verti‐
call yunder thej acks uppor tpoint.
Rules of conduct when thev ehicle is raised:
RNe verp lace your hands or feet under the
ve hicle.
RDo no tlie under thev ehicle.
RDo no tstar tthe engine and do no trelease
th ee lectric parking brake.
RDo no topen or close an ydoor sort he trunk
lid.
Wheels and tires 37
9
Page 383 of 498
#Position jack 2at jac ksuppor tpoint 1.
#Turn ratche tring sp anner 3clockwise until
jack 2sitsc omple tely on ja cksuppor tpoint
1 and theb ase of thej ackl ies evenlyo n
th eg round.
#Continue totur nratche tring sp anner 3
unti lthe tir eisraised amaximum of 1.2i n
(3 cm) of fthe ground.
#Loosen and remo vethew heel (→pag e381).
Re moving awheel
Requirement:RThe vehicle is raised (→pag e379).
When changing awheel, avoid applying an yforce
to theb rake discs, since this could impair the
le ve lofc omfort when braking.
* NO
TEDama getothre adingf romd irto n
wheel bolts
#Do no tplace wheel boltsins andoron
ad irty sur face.
#Un scr ew theu ppermos twheel bolt com‐
ple tely.
#Scr ew centering pin 1instead of thew heel
bolt int othe thre ading.
#Un scr ew ther emaining wheel bolt sfully.
#Re mo vethew heel.
#Installth en ew wheel (→pag e381).
Installing anew wheel
Requirement:RThe wheel is remo ved(→pag e381).
Wheels and tires 381
Page 384 of 498

&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 caus ethe wheel bolts/
wheel nuts tocome loose.
As aresult, youc ouldlose awheel while dr iv‐
ing.
#Ne vero 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.
#Obser vethei nformation on thec hoice of
tires (→pag e374).
Fo rtires wit haspecified direction of rotation, an
ar row onthes ide wall of thet irei ndicates the
cor rect dire ction of rotation. Observ ethe direc‐
tion of rotatio nw heninstalling.
#Slide thew heel tobe mounted ont othe cen‐
te ring pi nand push it on.
&
WARNING Risk of injury from tightening
wheelb olts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip.
#Onl ytighten wheel bolts or wheel nuts
when thev ehicle is on theg round.
#Fo rs afet yr easons, onl yuse wheel bolts
whic hhaveb een appr ovedbyM ercedes-
Benz and fort he wheel in question.
* NO
TEDama getopaintwor kofthe wheel
ri mw hen scr ewing on thef irst whee lbolt
If th ew heel has toom uchp layw hen scr ew‐
ing in thef irst whee lbolt, th ew heel rimp aint
can be dama ged.
#Press thew heel firm lyagains tthe
whee lhub when scr ewing on thef irst
wheel bolt.
#Ti ghten thew heel bolts until they aref inger-
tight.
#Un scr ew thec entering pin.
#Tighten thel astw heel bolt until it is finger-
tight.
#Lo we rthe vehicle (→pag e382).
Loweri ngthev ehicle af teraw heelchange
Re quirements:RThe ne wwheel has been ins talled
(→pag e381).
#Place ther atche tring sp anner ont othe he xa‐
gon nut of thej acksot hatthel ette ring "AB"
is visible.
#To lowe rthe vehicle: turnthe ratche tring
sp an ner of thej acka nti-clockwise.
382
Wheels and tires