2021 MERCEDES-BENZ METRIS wheel bolts

To
avo id damag etothevehicle, follo wt he
instructions forc leaning and car eofthefollowing
ve hicle parts:
Wheels and rims
R Use watera nd acid-free alloy wheel cleaner.
R Do no tuse acidic allo ywheel cleaner sto
re mo vebrak edust. Otherwise, wheel bolts
and brak ecomponents could be damaged.
R Toavo id cor rosion of brak ediscs and brake‐
pads, driv efor afew minutes af terc leaning
befor eparking thev ehicle. The brak ediscs
and brakepads warm up and dr yout.
Wi ndo ws
R Clean thew indo wsinside and outsid ewitha
dam pcloth and wit hacleaning agent recom‐
mende dfor Mercedes-Benz.
R Do no tuse dr ycloth sora brasiv eorsolvent-
based cleaning agents toclea nthe inside of
windo ws.
Wi per blades
R Carefully clea nthe folded-a wayw iper blades
wit had ampcloth.
R Fold wiper ar mawayfromt herear wind ow
( / pag e87).
R Do no tclean thew iper blades tooo ften.
Exterior lighting
R Clean thec oversw ithaw etspong eand mild
cleaning agent, e.g .car sha mpoo.
R Onlyuse cleaning agents or clo thss uitable
fo rp last ic co vers.
Sensors R Clean thes ensor sinthe front and rear bump‐
er sw ithas oftc loth and car shampoo
(/ page110).
R When using apowe rwashe r,ke ep am inimum
dis tance of 12in (30 cm).
Re ar vie wcamera
R Vehicles with atailgate: switc hont he igni‐
tion and shif tthe transmission tothe 005Eposi‐
tion toopen thec amera co verw hen the
engine is switched of f(/pag e110).
R Usec lean wate rand asoftc loth toclea nthe
camer alens.
R Do no tuse ap owe rwashe r. Sliding door
R Remo vefore ign object sfromt he vicinity of
th ec ontact plates and contact pins of the
sliding door.
R Cleant he contact plates and contact pins
wit ham ild cleaning agent and asoftc loth.
R Do no toilor grease thec ontact plates and
th ec ontact pins.
Ta ilpipes
R Clean wit hacleanin gagent recommended for
Mercedes-Benz, especially in thew inter and
af te rw ashing thev ehicle.
R Do no tuse acidic cleaning agents.
Tr aile rhitch
Obse rvet he no tesonc areint he trailer hitch
manufacturer's operating instructions. Note
soni nterior care &
WARNING Risk of inju ryfrom pla stic
parts breakin goffafte rt he use of sol‐
ve nt-based care products
Ca reand cleaning products con tainin gsol‐
ve nts can cause su rfaces in thec ockpit to
become porous. When thea irbags are
deplo yed, plastic parts ma ybreak away. #
Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclea nthe
cockpit. &
WARNING Risk of inju ryor deat hfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, cause seat belt stotear
or fail in an accident. #
Neverb lea ch or dy eseat belts. To
avo id damag etothevehicle, obser vethef ol‐
lowing instructions forc leaning and care:
Seat belts
R Clean wit hlukewa rmsoap ywater.
R Do no tuse chemical cleaning agents.
R Do no tdryby heating abo ve176°F( 80 °C)
or in direct sunlight. Maintenance and care
18 5

#
On le velter rain: place choc ks orother suita‐
ble objects under thef ront and rear of the
wheel that is diagonall yopposit ethe wheel to
be changed. #
On sligh tinclines: placechoc ks orother
suitable objects under thew heels on the
front and rear axle sopposit ethe wheel tobe
ch anged. #
If included in thev ehicle equipment, take the
tire-chang etool kit out of thev ehicle tool kit
(/ page202). #
If included in thev ehicle equipment, remo ve
th es par ew heel from thes par ew heel brac ket
( / pag e223). #
If necessar y,remo vetheh ub cap. #
Using thel ug wrench, loosen thew heel nuts/
bolts on thew heel youw ish tochang eby
about one full turn. Do no tunscr ewthew heel
bolts/nuts comple tely. #
Raise thev ehicle (/ page219). Ra
ising thev ehicle when changing awheel &
WARNING Risk of inju ryfrom incor rect
positioning of thej ack
If yo udon otposition thej ackc orrectl 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
(/ page218).
Impo rtant 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 ctl y,it could tip overwhilet he vehicle 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 thev ehicle and do no trelease
th ep arking brake.
R Do no topen or close an ydoors. Wheels and tires
219

Jackin
gpoints 1(rubber stoppers) ar elocated
behind thef ront wheel ar ches and in front of the
re ar wheel ar ches. #
Place jack 2beneat hcorresponding jack
suppor tpoint 1. #
Turn handwheel 3until thep lateofj ack2
sits securely on jac ksuppor tpoint 1. #
Ensur ethat theb ase of jack 2is positioned
ve rticall yunder jackin gpoint 1. #
Assemble adap ter4 and ratchet 5from
th ev ehicle tool kit. #
Place adap ter4 and ratchet 5ontheh exa‐
gon nut of jack 2sothat thel ette ring
AU F/UP is visible. #
Turn ratche twrench 5intheA UF/UP direc‐
tion unti lthe tir eisraised amaximum of
1. 2i nch( 3c m) of fthe ground.
When doing so, jack 2maym ove toone of
th es ide suppor tsurfaces. Re
moving awheel Re
quirements:
R The vehicle is raised (/ page219).
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 adin gfromd irton
wheel bolts #
Do no tplace wheel bolt sinsandorona
dirty sur face. #
Unscr ewthew heel bolts. #
Remo vethew heel. Installing
anew wheel Re
quirements:
R The wheel is remo ved( /pag e220). &
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. #
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. &
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. *
NO
TEDama getoelectronic component
parts thro ugh theu se of tire-ins talling
to ols Ve
hicles with atirep ressur emonitoring
sy stem: ther ea reelectronic component
parts in thew heel. Tire -ins talling tools should
no tbea pplied in thea reaoft hevalve.
Otherwise, thee lectronic componen tparts
could be damaged. #
Alwaysh ave tires changed at aqualified
specialis tworks hop. #
Obser vethei nformation on thec hoice of
tires (/ page216). #
Obse rvet he instructions and saf etyn otes on
ch anging awheel (/ page216). #
Fors afet yr easons, onl yuse wheel bolt sor
wheel nut swhichh aveb een appr ovedby
Mercedes-Benza ndfort he wheel in question. #
Clean thew heel and wheel hub contact sur fa‐
ces. #
Slide thew heel whic histober e-installed
ont othe wheel hub and push it on. 220
Wheels and tires

Lo
weri ngthev ehicle af teraw heelchange &
WARNING Risk of accident du etoincor‐
re ct tigh tening torque
Th ew heel scould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed torque. #
Ensu rethat thew heel bolts or wheel
nuts ar etightened tothep rescribed
tightening torque. #
Ifyo ua renots ure, do no tmovet he
ve hicle. Contact aqualified specialist
wo rkshop and ha vethet ightening tor‐
qu ec hec kedi mmediately. Re
quirements:
R The ne wwheel has been ins talled
(/ page220). #
Place thea dap tera nd ther atche tonthe hex‐
agon head nut of thej acks ucht hat thel ette r‐
ing AB/DOWN is visible. #
Tolowe rthe vehicle: turnthe ratche toft he
jac kc ounter-clo ckwise. #
Steel wheels: tightent he wheel bolts or
wheel nuts evenly in acrosswise patter nin
th es equence indicated (1 to5 )and to a
maximu mof200 Nm. #
Alloy wheels: tightenthew heel bolts or
wheel nuts evenly in acrosswise patter nin
th es equence indicated (1 to5 )and to a
maximu mof180 Nm. #
Che ckthet irep ressur eoft he newl yins talled
wheel and adjus titifnecessar y.
Ve hicles with thet irep ressur emonitor sys‐
te m: allins talled wheels mus tbeequipped with
functioning sensors. #
Retighten thew heel bolts tothes pecified
tightening torque af tert he vehicle has been
driven 31miles (50 km). %
When using
awhee lors parew hee lwitha
ne worn ewly painted disk wheel, ha vethe
wheel bolt sorwheel nut sretightene dagain
af te ra pproxima tely 62 1to3 ,107 miles
(1,000 to5,000 km) .Obser vethes pecified
tightening torque. Infor
matio nonw heeland tir ecom binations
Gene raln otes
Re treade dtires ar enotcheckeda nd recommen‐
ded byMercedes-Benzasitisn otalw aysp ossi‐
ble todetect pr evious damag eafter retreading.
Fo rthis reason ,Mercedes-Ben zcanno tguarantee
th eir driving saf ety. Do no tuse used tires when
th eir pr evious usag eisunknown.
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nlyu se tires, wheel sand accesso ries
whic hhaveb een appr ovedbyM ercedes-Benzf or
yo ur vehicle.
These tires ha vebeen speciall yadap tedf or use
wit hd riving saf etys ystems, suc hasABS or
ESP ®
.
Onl yuse tires, wheels and accessories that ha ve
been checkeda nd recommended byMercedes-
Benz.C ertain characteristics, suc hashandling,
ve hicle noise emissions, fuel consum ption, etc.
ma yotherwise be adversely af fected. Other
wheel size smaycause thet ires tocome int ocon‐
ta ct wi th thevehicle body and axle components
when under load. This ma yresult in damag eto
th et ireort hevehicle.
Mercedes-Benzisn otresponsible fora ny dama ge
caused byusin gtires, wheel soraccesso ries
ot her than those recommended.
Information on tires, wheels and permissible
combinations can be obtained at aqualified spe‐
cialis tworks hop.
The smaller thec ross-section of atireofas pe‐
cific wheel size, thew orse thed riving comfor ton
poor road sur faces. Ride and da mping com fort
ar er educed and ther isk increases that when you
driv eovero bstacles ,dam agetow heels and tires
ma yresult.
If yo uc hang ewheel siz eonyourvehicle, checkit
is assigned tothec orrect wheel size catego ry
( / pag e218). If thea ssignmen tchanges without
re coding thec ont rolu nit sint hevehicle, the
speedome terw illn ot displa ythe speed accu‐
ra tely.D riving safety sy stems and driving sy stems
ma ythen be operationally impaired or ma ydetect
am alfunction and switc hthemselves off. Wheels and tires
221