2021 MERCEDES-BENZ METRIS engine oil

The operating saf
etyoft he engine is no tguaran‐
te ed in all situations.
An ytampering wit hthe engine management in
order toinc rease thee ngine output will lead to
th el oss of theN ew Vehicle Limited Warrant yand
ot her warrant yentitlements.
If yo us ellthev ehicle, infor mthe buyer of any
alterations tothev ehicle's engine output. This
ma yconstitut eapunishable of fense under
nationa llegis lation. Qualifie
dspeciali stwo rkshop
Aq ualified specialis tworks hop has then ecessary
special skills, tools and qualification stocorrectly
car ryout an ynecessar yworkony ourvehicle.
This particular lyapplies tosaf ety-re leva nt wo rks.
Alw aysh ave thef ollowing workon thev ehicle
car ried out at aqualified specialis tworks hop:
R Safety-re leva nt wo rks
R Service and maintenance work
R Repair work
R Modifications as well as ins tallation sand con‐
ve rsions
R Workon electronic components
Mercedes-Benz recommends that youu se an
authorize dMercedes-Ben zCenter fort his pur‐
pose. Ve
hicl eregistration
Mercedes-Ben zmayask its service cen terto
car ryout tech nica linspections on cer tain vehi‐
cles. The quality or saf etyoft hevehicle is
impr ovedasar esult of thei nspection.
Mercedes-Benz can onl yinfor myou aboutv ehicle
ch ecks if it Mercedes-Benz has your registration
data.
In thef ollowing cases your vehicle ma ynotbe
re gis tere dtoy ouyet:
R youd id no tpurch ase your vehicle at an
authorised specialis tdealer.
R your vehicle has no tyet been inspected at an
au thorized Mercedes-Benz Center.
It is advisable toregis tery our vehicle wit han
authorized Mercedes-BenzC enter.
Infor mMercedes-Benzass oon as possible about
an yc hang eina ddress or vehicle ownership. Yo
uc an do this, fore xamp le, at an authorized
Mercedes-Ben zCenter. Cor
rect use of thev ehicle
If yo ur emo ve wa rning sticke rs,y ou or other sm ay
fa ilto recognize thed angers. Lea ve warning
st icke rs in position.
Obser vethef ollowing information in particular
when operating thev ehicle:
R Safetyn otes in these Operating Instructions
R Tech nica ldataf or thev ehicle
R Traf ficr ules and regulations
R Laws per tainin gtom otor vehicles and saf ety
st andards &
WARNING Risk offire and acciden twhen
transpo rting subs tances whi chareh az‐
ardous tohealt horr eact aggressively
Gases and fluids can evenescape from con‐
ta iner swhicha refull yclosed.
This can adversel yaffect your concentration
during thej ourne yand your health. Elect ronic
component pa rtsm ayalso experience mal‐
functions, shor tcircuits or sy stem failures. #
Do no tstowort ranspor tany subs tan‐
ces whic harehazardous tohealth
and/or aggressively reactiv eint hevehi‐
cle interior. These instructions mus
talso be obser vedf or
ve hicles wher ethe cargo compartment is not
fully separated from thec ab.
Pa rtition wit hdoor/window: alw aysk eep the
door/windo winthe partition closed while trans‐
porting items.
Subs tances that con stitut eah ealthhazar dor
re act aggressivel yinclude, fore xamp le:
R Solvents
R Fuel
R Oil and grease
R Cleaning agents
R Acid 18
Generaln otes

Problems with
thee lectric sliding door Problem
Possible causes/consequences and 0050 0050Solutions
The electric sliding door
is loc kedinp lace. Unf
avorable operating conditions ,e.g. frost, ice or heavy soiling, may
obstruct thes liding door. #
Press and hold thes liding door button until thes liding door has
opened or closed.
The sliding door mo vesw ithi ncreased forc e. Obser vethat in such
circum stances, theb lockage detection is les ssensitive. Tostop the
mo vement, release thes liding door button. #
Remo vethec ause of theb lockage atthee arlies topportunit y. Ta
ilgate Opening and closing
thet ailgate &
DANG ER Risk of exhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if thet ail‐
gate is open when thee ngine is running,
especially if thev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening thet ailgate. #
Neverd rive wit hthe tailgat eopen. *
NO
TEDama getothet ailgat ecaused by
obs tacles ab ovethev ehicle The
tailgat eswings rear wa rdsa nd upwards
when it is opened. #
Mak esuret hat ther eiss ufficient space
behind and ab ovethet ailgate. %
Yo
uw illfind de tails of thet ailgat eopening
dimension sunder "Technical data"
(/ page232). #
Toopen: push button 1ontheh andle and
ra ise thet ailgate. #
Toclose: pullthet ailgat efirml ydownwards
by loop 2and close it from outside.
Opening thet ailgat einane mergency
If th eb atter yvoltag eisloworthev oltag esupply
is inter rupte d,thet ailgat ecanno tbeo pened.
In an emer gency ,you can open thet ailgat eusing
th er elease catc hfor service purposes. #
Pryo ffthec over on thel owe rpartoft hetail‐
ga te wit has uitable tool, e.g. thes crew driver
from thev ehicle tool kit. Opening and closing
51

go
tint ot he sy stem. Clean theb rake sa fter driv‐
ing off-road. If yout hen notice areduced braking
ef fect or hea rscraping noises, ha vetheb rake
sy stem checkedi mmediately at aqualified spe‐
cialis tworks hop. Adjus tyour driving styletot he
ch anged brakin gcharacteristics.
Driving off-road or on construction sites increa‐
ses thep ossibility of vehicle damag ewhichm ay
in tur nlead tothef ailur eofc ertain major assem‐
blies and sy stems. Adapty our driving styletot he
off-road driving conditions. Driv ecarefull y.Ha ve
an yv ehicle damag erecti fied at aqualified spe‐
cialis tworks hop as soon as possible.
When driving on rough cross-countr yterrain, do
no ts hif tthe transmission toneutral and do not
disengag ethe clutch. Youc oul dlose control
when attem pting tobrak ethe vehicle wit hthe
service brake. If your vehicle canno tmanag ean
uphill incline, driv ebackd owninr everseg ear.
When loading your vehicle foro ff-road driving or
on aconstruction site, keep thev ehicle's center
of gr avity as lo waspossible.
Checklis tbefor eoff-road driving
R Engine: checkt he oil le vela nd add oil if nec‐
essar y(/pag e179). Befor edriving up or
down extreme incline sorslopes,fill th eo ilto
th em aximum le vel.
% If
yo ud rive up or down extreme incline sor
slopes, the00B2 symbol ma yappear in the
multifunction displa y.The engine operating
saf etyisn otput at risk if youh ave filled the
engine oil tothem aximum le velb efor ethe
journe y.
R Vehicl etool kit: checkt hat thej ackisw ork‐
ing (/ page201).
R Mak esuret hat alug wrench, awooden
underla yfor thej ack, ar obus ttow ro pe, a
fo lding spade and awheel choc k( depending
on equipment) ar ecarried in thev ehicle
(/ page201).
R Tire sa nd wheels: checkt he tir etread dep th
( / pag e204) and thet irep ressure
(/ page209).
Ru les foro ff-road driving
Alw aysbea wareoftheg round clearance of the
ve hicle and avoid obs tacles suc hasdeept ire
ru ts. Obs
tacles can damag ethe following parts of the
ve hicle, fore xamp le:
R Suspension
R Driv etra in
R Fuel and suppl ytanks
Therefore, alw aysd rive slowl ywhen off-road. If
yo um ustd rive over obs tacles ,have thec o-driver
instruct you.
% Mercedes-Ben
zrecommends that youa ddi‐
tionall ycarry as hovela nd areco very rope
wit has hackle in thev ehicle.
R Mak esuret hat loadsa nd items of luggage
ar es ecurel ystore dorl ashed down
(/ page166).
R Befor edriving off-road, stop thev ehicle and
engag ealowgear.
R Ifth es urface requ ires, temp orarily deactivate
ESP ®
when pulling away ( / pag e111).
R Onlydrive off-road wit hthe engine running
and agear engaged.
R Driv eslowl yand smo othly .Itm ayoftenbe
necessa ryto driv eatw alkingpace.
R Avoid spinning thed rive nw heels.
R Alwayse nsur ethat thew heels remain in con‐
ta ct wi th theground.
R Exercise theu tmos tcaution when driving
across unfamiliar ,unpre dictable terrain. As a
precaution ,get out of thev ehicle totake a
look at ther out etobet akenfirs t.
R Lookoutforo bstacles (e.g .roc ks,h oles, tree
st umps and tir eruts).
R Avoid edges wher ethe sur face could crumble
or brea kaway.
Checklis tafter driving off- road
Driving overrough terrain place sgreater
demands on your vehicle than normal road opera‐
tion. Chec kyour vehicle af terd riving on rough
te rrain. This allo wsyoutod etect damage
prom ptly an dreduce ther isk of an accident for
yo urself and other road users. Clean your vehicle
th oroughl ybefor edriving on public roads.
If yo uf ind dama getothev ehicle af tero ff-road
driving, ha vethev ehicle checkedataq ualified
specialis tworks hop immediatel y. Driving and pa
rking 103

00C5
Re
ar wind owwiper (/ page86) Setting
thei nstrument lighting &
WARNING Risk of accident and inju ry
during inter vention bythes teering wheel
If yo ur eac hthrough thes teering wheel to
operat ethe adjustment knobs while driving,
yo uc oul dlose control of thev ehicle. #
Use thea djustmen tknobs onl ywhen
th ev ehicle is at astandstill. #
Do no treac hthrough thes teering wheel
while driving. Brightness cont
rol(ex ample: vehicle wit hsteer‐
ing-wheel buttons)
The displa yson thei nstrument clus tera re illumi‐
nated during thed ay.Ad imming functio nisnot
possible in da ylight.
In vehicles wit hsteering-wheel buttons, thel ight
sensor on thei nstrument clus tera utomatically
controls theb rightness of thed ispla ylighting.
When thel ight has been switched on, theb right‐
ness cont rolisi nfluenced bythea mbient light.
Yo uc an then adjus tthe brightness of thei nstru‐
ment lighting and thed ispla ylighting as well.
Ve hicles without steering-wheel but tons: #
Press the0074or0075 button on thei nstrument
clus ter.
% Ifthe Settings menu has been selected on
th eo n-boar dcomputer ,itwill notbep ossible
to adjus tthe displa ybrightness.
Ve hicles with steering-wheel but tons: #
Turn brightness control 1onthei nstrument
clus ter. Overvie
wofmenus on theo n-boa rdcom‐
pu ter
Ve hicles without steering wheel but tons
Press theÈbutton on thei nstrument clus terto
scroll thro ugh them enus.
Yo uw ill see theSettings menu onl yifthevehicle
is stationar y.
If yo us crol lfor wa rdsint heSettings menu using
the 0078button, thes ettings fort he pr evious sub‐
men uort he previous function will be copied over.
If yo up ress the Èbutton in asubmenu, thes ub‐
menu or function will be exited without thes et‐
ting being adop ted.
Yo uc an find fur ther operating information in
"Overvie wand operation of theo n-boar dcom‐
puter" (/ page137).
Depending on thev ehicle equipment, youc an call
up thef ollowing menus, displa ysor functions:
R Displa yshowing trip dis tance and total dis‐
ta nce (/ page 142)
R Trip computer displa y(/ pag e142)
R Displ ayshowing cur rent range
R Displa yshowing cur rent fue lconsu mption
(/ page 142)
R Digital speedome ter
R Displ ayshowing coolant temp erature
(/ page142)
R Displ ayshowing displa ymessages in them es‐
sag em emor y(/pag e235)
The following menus, displa ysand function swill
also be displa yedw hen thev ehicle is stationary:
R Displa yshowing next servic edue date
(/ page175)
R Electroni cchec kont he engine oil le vel
( / pag e178)
R Tire pressur emonitoring sy stem restart
(/ page209)
R The Settings menufor adjusting or activating
and deactivating driving and driver assis tance
sy stems as well as displa yoptions
(/ page143)
Ve hicles with steering wheel but tons
Use the0059 or0065 steering-wheel button to
sho wthe menu bar and scroll thro ugh them enus.
Use the0064 or0063 steering-wheel button to
scroll thro ugh their submenus and functions. Instrument clus
tera nd on-boar dcomputer 141

Information on
regular maintenance work *
NO
TEPrematur ewear thro ugh failur eto
obser veservice due dates Maintenance
workwhic hisn otcar ried out at
th er ight time or incomple tely ca nleadto
inc reased wear and damag etothevehicle. #
Adher etot he prescribed service inter‐
va ls. #
Alwaysh ave thep rescribed mainte‐
nanc eworkc arried out at aqualified
specialis tworks hop. Note
sons pecial service requ irements The prescribed service inter
valisb ased on nor‐
mal vehicle use. Maintenance workwill need to
be per form ed mor eoften than presc ribed if the
ve hicle is operated under arduous operating con‐
ditions or increased loads.
Arduous operating conditions include:
R Regular city driving wit hfrequ ent intermedi‐
at es tops
R Frequent short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R Whe nthe engine is of tenl eftidling forl ong
periods
R Operation in particula rlyd usty conditions
and/o rifair-reci rculation mod eisfrequ ent ly
used
In these or similar operating conditions, ha vethe
air filter ,engin eoil and oil filter ,for example,
re placed mor efrequ entl y.
If th ev ehicle is subjected toinc reased loads, the
tires mu stbe checkedm oref requ ently.Yo uc an
obtain fur ther information at aqualified specialist
wo rkshop. No
n-operational times with theb attery dis‐
connected The ASS
YSTP LUSs ervice inter vald ispla ycan
onl ycalculat ethe service due dat ewhen theb at‐
te ry is connec ted. #
Displa yand no tedown thes ervice due date
on thei nstrument clus terb efor edisconnect‐
ing theb atter y. R
Displ aying thes ervice due dat einvehi‐
cles without steering wheel buttons
(/ page175).
R Displ aying thes ervice due dat einvehi‐
cles wit hsteering wheel buttons
(/ page175). Engine comp
artment Opening and closing
theh ood &
WARNING Risk of accident du etodriving
wit hthe hood unloc ked
The hood ma yopen and bloc kyour vie w. #
Neverrelease theh ood when driving. #
Befor eevery trip, ensur ethat theh ood
is loc ked. &
WARNING Risk of accident and injury
whe nopening and closing theh ood
The hood ma ysuddenl ydropi ntot he end
position.
Ther eisar isk of injur yfor an yone in the
hood's rang eofm ovement. #
Do no topen or close theh ood if ther eis
ap erson in theh ood's rang eofm ove‐
ment. &
WARNING Risk of inju ryfrom touching
component sunde rvoltage
The ignition sy stem and thef uel injection sys‐
te mw orku nde rhigh voltage. Youc ould
re ceiv eane lectric shoc k. #
Nevertouc hcomponent softhe ignition
sy stem or thef uel injection sy stem
when thei gnition is switched on. The
following ar eexamp les of liv ecomponents:
R Ignitio ncoils
R Spar kplug connec tors
R Injectors &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. 176
Maintenance and care

Engine oil
Checking
thee ngine oil le velw itht he on-
boa rdcompu ter( ve hicl ewithout steering-
wheel but tons)
Re quirements:
R The vehicle is equipped wit hanoil levels en‐
sor (vehicles wit hrear-wheel drive).
R The vehicle is le veld uring them easuring
process.
R The engine is switched of fatnormal operat‐
ing temp erature.
R Awaitin gperiod of five minutes is obser ved.
R The ignition is switched on.
If no oil le velisd isplayeda fter five minutes at
ex tremely lo wtemperatures, repeat thee ngine oil
measurement af tera nother five minutes.
If an oil le velreading is still no tdispla yed, check
th eo il le velw itht he oil dipstic k(/ pag e179).
Ha ve thee ngine oil le velc hec kedataq ualified
specialis tworks hop.
Use theb uttons on thei nstrument clus ter. #
Press theÈ button toselect Oil Level. #
Press the0078button toconfirm.
While thee ngine oil le velm easuremen tisin
progress, thed ispla yshows the Measuring
Engine Oil Level... message.
The following messa gesm ayappear af tert he
engine oi lleve lmeasurement:
Engine Oil Level OK #
Do no trefill oil.
Add 1,0 liq.gal. Engine Oil #
Addthe specified quantity of oil
(/ page179). #
Repeat thee ngine oil measurement af tera
fe wm inutes.
Engine Oil Level: Reduce Oil Level #
Siphon of fany exc ess engine oil that has
been added. Todo so, consult aqualified spe‐
cialis tworks hop.
For Eng. Oil Level: Ignition Must Be On #
Switc hont he ignition.
Wait to Check Engine Oil Level #
Ifth ee ngine is at normal operating temp era‐
ture, repeat thee ngine oil measurement af ter
appr oximately five minutes. #
Ifth ee ngine is no tatnormal operating tem‐
perature, repeat thee ngine oil measurement
af te ra pproxima tely 30 minutes.
Engine Oil Level with Engine Off #
Switc hoffthee ngine and, when it is at nor‐
mal operating temp erature, wait appr ox‐
imatel yfivem inutes befor emeasu ring the
engine oil le vel.
Chec kthe engine oil le velw itht he on-board
comp uter (vehicle with steering-wheel but‐
to ns)
Re quirements:
R The engin eoil le velisd etermined during driv‐
ing.
R The engine is at normal operating temp era‐
ture.
R The vehicle is le veld uring them easuring
process.
R The hood is no topen.
Dependin gonthe driving profile, theo il le velc an
be displa yedo nlya fter ad riving time of up to
30 minutes and onl ywhen thei gnition is
switched on.
On-boar dcomputer:
4 Service 5
Engine Oil Level
One of thef ollowing messa gesa ppear son
th ed ispla yoft he on-boar dcompu ter:
Engin eOil Level Measuremen tinProgress... #
Measurement of theo il le veln ot ye tpossible.
Re peat theq uer yafter drivin gfor am aximum
of 30 minutes.
Engine Oil Level OK
The bar ford isplaying theo il le velont he display
is green and is between "min" and "max". #
Do no trefill oil. The engine oil le velisc orrect.
Engine Oil Leve lWarmUpE ngine #
Warm upthee ngine tooperating temp era‐
ture.
Engine Oil Level Correct Measurement Only if
Vehicle Is on Level Ground #
Park thev ehicle on alevel sur face. 17 8
Maintenance and care

Engine Oi
lLevel Add 1.0 l
The ba rfor displaying theo il le velont he display
is orang eand is belo w"min".
The oil le velist oo lo w. #
Add1 .1US qt (1 l) of engine oil
(/ page179).
Reduce Engine Oil Level
The bar ford isplaying theo il le velont he display
is orang eand is abo ve"max".
The oil le velist oo high. #
Siphon of fany exc ess engine oil that has
been added. Todo so, consult aqualified spe‐
cialis tworks hop.
For Engine Oil Level Ignition Must Be On #
Switc hthe ignition on tocheckt he engine oil
le ve l.
Engine Oil Level System Inoperative
The fill le vels ensor is defectiv eornotplugged in. #
Have theo il le veld ispla ychec kedataq uali‐
fi ed specialis tworks hop.
Engine Oil Level System Currently Unavail. #
Close theh ood.
% Ve
hicles wit hcold oil le veld isplay: af tert he
ve hicle has been out of use forane xtended
time ,the oil le velw ill automaticall ybeshown
on thed ispla y.If it is no tpossible tomeasu re
th ee ngine oil le vel,am essag etothat ef fect
will appea r.
Checking thee ngine oil le velw ithad ipst ick &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. The engin
eoil becomes dirty during operation,
loses quality and also graduall yloses volume.
Chec kthe oil le velregularly and add oil or ha veit
ch anged if necessar y.
Re gular lych eckt he fluid le vela nd them ajor
assemblies forl ea ks.Ify ou de tect fluid loss ,for
ex ample, oil drops on thev ehicle parking space, consult
aqualified specialis tworks hop as quickly
as possible. #
Onlychec kthe oil le velw hen thee ngine is at
normal operating temp erature. Oil dipstic
kand engine oil filler openin g(example:
ga soline engine) #
Pull oil dipstick 1out of thed ipstic ktube. #
Wipe theo il dipstick 1using alint-free
clo th. #
Inser tthe oil dipstick 1bac kintot he guide
tube as farasitw illgoa nd pullito ut again.
If th el eve lisb etwe en MIN mark 3and MAX
mark 2,the oil le velisa dequate. #
Ifth eo il le velh as dropped toor belo wmini‐
mum mark 3,open cap 4and add engine
oil (/ page179).
The di fference in quantity between mar ks2 and
3 is appr oximatel y1.6 US qt (1.5 liters) in the
case of gasoline engines.
Ad ding engin eoil &
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wit hhotcom‐
ponent parts in thee ngine compartment, it
ma yignite. #
Mak esuret hat no engine oil is spilled
next tothef iller opening. #
Allowthe engine tocool of fand thor‐
oughly clean thee ngine oil from compo‐
nent parts befor estartin gt he vehicle. Maintenance and care
17 9

&
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. *
NO
TEDama gecaused byrefilling too
muc hengine oil To
om uche ngine oil can damag ethe engine
or thec atalytic con verter. #
Have excess engine oil remo vedata
qu alified specialis tworks hop. *
NO
TEEngine damag eduetouse of addi‐
tives in thee ngine oil The use of additional additives in
thee ngine
oil can damag ethe engine. #
Do no tuse an yadditional additives in
th ee ngine oil. +
ENVIRONMEN
TALN OTE Environmental
damag ecaused byspilling oil when refill‐
ing Damag
eiscaused tothee nvironmen tifspil‐
led oil enter sthe soil. #
When refilling oil, mak esuren oneis
spilled. Example: engin
eoilfiller opening #
Obser vethei nformation rega rding appr oved
engine oil under "Operating fluids and capaci‐
ties" (/ page228). #
Unscr ewand remo vecap 1. #
Refill engin eoil. #
Place cap 1onthef iller openin gand
tigh ten.
Whe ndoing so, mak esuret hat thec ap
engages cor rectly. #
If present, checkt he oil le velu sing theo il dip‐
st ick( / pag e179). #
Inthec ase of vehicles without an oil dipstic k,
ch eckt he oil le velw itht he on-boar dcom‐
puter af tert he next journe y(/ pag e178).
It is necessa ryto runt he engine forane xtended
perio dafter eac hoilre fill to cor rectly de tect the
oil le vel. Fill le velc hanges during oil refills may
no tbei mmediately visible. Depending on the
driving profile, then ew oil le velc an onl ybedis‐
pla yeda fter ad riving time of up to60 minutes.
If necessa ry,o nlyr efill theq uantity of oil shown
in thei nstrument clus terd ispla yand checkt he
oil le vela ga in af tert he next journe y. Checking/adding coolant
&
WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreez ecomes int ocontact wi thhotc om‐
ponent parts in thee ngine compartment, it
ma yignite. #
Allowthe engine tocool down before
adding antif reeze. #
Mak esuret hat no antifreeze spills out
next tothef iller opening. #
Thoroughl yclean of fany antifreeze from
componen tparts befor estartin gt he
ve hicle. &
WARNING Risk of scalding from hot
coolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening
th ec ap. #
When opening thec ap, wear pr otective
gl ove sand saf etyg lasses. #
Open thec ap slowl ytorelease pres‐
sure. 18 0
Maintenance and care