Page 331 of 498

Notesonc areofc ar parts
&
WARNING Risk of entrapment if the
windshield wiper sareswitch ed on while
th ew indshield is being cleaned
If th ew indshield wiper saresetinm otion
while youa recleanin gthe windshield or
wiper blades, youc an be trapped bythe
wiper arm.
#Alw ayss witc hoffthew indshield wipers
and thei gnition befor ecleanin gthe
windshield or wiperb lades.
&
WARNING Risk of burn sfromt ailpipes
and tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If youc om eintoc ontact wit hthese
parts of thev ehicle, youc ouldbur nyourself.
#Alw aysbep articular lycareful around
th et ailpipe and thet ailpipe trim.
#Allo wthe vehicle parts tocool down
befor eyou touc ht hem.
Obser vethef ollowing information:
Note sonc leaning and car eA voiding vehicl edamage
Wheels/rims Usewate rand acid-free wheelc leaners.
RDo notuse acidic wheelc leanerstoremovebrak edust.
This could damag ewheel bolts and brak ecomponents.
RToavoid cor rosion of theb rake discs and brak epads,
driv ethe vehicle foraf ewminutes af terc leaning before
parking it. The brak ediscs and brak epadsw armupa nd
dr yo ut.
Wi ndo ws
Cleanthew indo wsonthei nside and outside using adamp
clo thand cleanin gagentsr ecommende dbyMercedes-Benz. Do no
tuse dr ycloth sora brasiv eorsolve nt-based cleaning
agents toclean thei nside of windo ws.
Maintenance and care 329
Page 382 of 498
#Usingthew heel wrench, loosen thew heel
bolts on thew heel youw ish tochang eby
about onef ull turn. Do no tunscr ewtheb olts
comple tely.Po sition of jac ksuppor tpoints
&
WARNING Risk of injury from incorrect
positioning of thej ack
If yo udon otpositio nthe jac kcorrectly at
th ea ppropriat ejacking point of thev ehicle,
th ej ackc ould tip wit hthe vehicle raised.
#Onl yposition thej ackatt he appropri‐
at ej acking point of thev ehicle. The
base of thej ackm ustbep ositioned ver‐
tically under thej acking point of the
ve hicle.
* NO
TEVehicle damag efromt he jack
Ifyo udon otpositio nthe jac kcorrectl ya t
th ea ppropriat ejacks uppor tpoint of the
ve hicle, thej ackc ould tip overwitht he vehi‐
cle raised.
#The jac kisdesigned exclusively for
jacking up thev ehicle at thej acks up‐
por tpoints.
#Take ther atche tring sp anner outoft he tire-
ch ang etool kit and place it on theh exagon
nut of thej acksot hatthel ette ring "AUF" is
visible.
380 Wheels and tires
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
Page 385 of 498
#Tighten thew heel bolts evenlyinad iagonal
patter ninthe order indicated (1 to5).
Specified tightening torq ue: 111 lb-ft
(150 Nm).
& WARNING Risk of accident duetoi ncor‐
re ct tigh tening torque
Th ew heelsc ould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed tightenin gtorque.
#Ha ve thet ightening torque checked
immediatel yataqualified specialis t
wo rkshop af terc hanging awheel.
#Chec kthe tir epressur eoft he newl ymoun‐
te dw heel and adjus taccording ly.
#Ve hicles with atirep ressur emonitoring
sy stem: Restar tt he tir epressur emonitoring
sy stem (
→pag e361).
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
RNotesont irep ressur e(→page356)
Wheels and tires 383