wheel torque MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

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
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