2021 MERCEDES-BENZ METRIS hood open

Switching
ther ear windo wwiperon/off Re
quirements:
R The po wersupp lyhas been switched on. 0047
00E2 Wiping wit hwashe rfluid
0048 00AA Intermittent wiping
0049 005ARear wind owwiper off
004A 00E2 Wiping wit hwashe rfluid #
Movethe 00C5 switchtot he cor responding
position.
The 00C5 symbol will appearont he instru‐
ment clus terw hen ther ear windo wwiper is
swit ched on.
In vehicles wit hsteering-wheel buttons, the
on-boar dcomputer will sho wthe 00C5 sym‐
bol on theAssistance Graphic menu. #
Towipe wit hwasher fluid: push the00C5
switc hbeyond its cur rent position as farasit
willgot owards 0047or004A and hol ditthere. Re
placing the windshiel dwiper blades &
WARNING Risk of becoming trapped if
th ew indshield wiper sareswitched on
while wiper blades ar ebeing replaced
If th ew indshield wiper sbegin tomo vewhile
yo ua rechanging thew iper blades, youc an
be trapped bythew iper arm. #
Alwayss witc hoffthew indshield wipers
and thei gnition befor echanging the
wiper blades. *
NO
TEDama getothew indshield or rear
wind owduring wiper blade replacement If
th ew iper ar monthe windshield or rear
wind owisfolded bac kbefor eaw iper blade
has been ins talled, thew indo wmaybe dam‐
aged bythef orce of thei mp act. #
Neverfold thew iper ar monthe wind‐
shield or rear wind owbac kuntil awiper
blade has been ins talled. Keep hold of
th ew iper ar mwhen replacing awiper
blade. *
NO
TEDama getohood or windshield
wiper swhen opening theh ood If
th ew indshield wiper shaveb een folded
bac kfromt he windshield when theh ood is
opened, thew indshield wiper sorthe hood
ma ybed amaged. #
Ensur ethat thew indshield wiper shave
no tb eenf olded bac kfromt he wind‐
shield. Re
moving the wiper blades #
Foldthew iper arms away from thew ind‐
shield. #
Hold thew iper ar mwitho ne hand. With the
ot her hand, tur nthe wiper blade in thed irec‐
tion of ar row1away from thew iper ar mas
fa rasitw illg o. #
Slide catch 2inthed irection of ar row3
until it engages in ther emo valp osition. #
Remo vethew iper blade from thew iper arm
in thed irection of ar row4. 86
Light and vision

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

#
Allow thee ngine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. *
NO
TEDama getohood or windshield
wiper swhen opening theh ood If
th ew indshield wiper shaveb een folded
bac kfromt he windshield when theh ood is
opened, thew indshield wiper sorthe hood
ma ybed amaged. #
Ensur ethat thew indshield wiper shave
no tb eenf olded bac kfromt he wind‐
shield. Opening
theh ood #
Pull handle 1torelease theh ood. #
Reachi ntot he gapa nd push le ver2ofthe
hood catc htothe left. #
Liftthe hood and hold it in place. #
Pull suppor tstrut 4outofh older 5and
guid eitu pwards in thed irection of thea rrow. #
Lowe rthe hood in suc hawaythat support
st rut 4 slides int orecess 3and theh ood is
fi xe dinp lace.
Closing theh ood &
WARNING Risk offire due toflammable
materials in thee ngine compartmen tor
on thee xhau stsystem
Flammable materials ma yignite. #
Ensur ethat ther ea reno flammable
ex tern al materials in thee ngine com‐
partmen torontheexhaus tsyst em
af te rm aintenance workhas been car‐
ri ed out. *
NO
TEDama getotheh ood due topress‐
ing it closed manually Pushing
theh ood closed wit hyour hands
could dama geit. #
Toclos ethe hood, le titdropf romt he
specified height. #
Hold suppor tstrut 4and raise theh ood
slightl y. #
Guide suppor tstrut 4toholder 5and
apply gentle pressur etoengageit. #
Lowe rthe hood and le titfall from aheight of
appr oximately 12in (30 cm), applying alittle
fo rc easy ou letitgo. #
Ifth eh ood can be lif teds lightl ymore, open
th eh ood once again and allo wittodropm ore
fo rc efull ysot hat it engages cor rectl y. Maintenance and care
17 7

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

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
The batter yisnolonger being charge df or one of thef ollowing rea‐
sons:
R Faulty alternator
R Torn pol y-Vb elt
R Malfunction in thee lectronics #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine.
Do no tcontinue driving. If youd o,thee ngine ma yoverheat. #
Secur ethe vehicle agains trolling away. #
Consult aqualified specialis tworks hop.
00AC
Stop Vehicle Turn Eng.
Off *A
warning tone also sounds. The coolant is tooh ot. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situa‐
tions ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping oper‐
ating fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. &
WARNING Risk of scalding from ho tcoolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. #
Obser vethec oolant temp eratur edispla y(/pag e142). #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tother adiator is no tobstructed. #
Avoiding high engine loads, driv eontothe neares tqualified spe‐
cialis tworks hop. In doing so, ensur ethat thec oolant temp era‐
tur ed ispla yremain sbelo wt he letter H. 252
Displa ymessages and warning and indicator lamps

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AC
Coolant Too Hot: Stop
Vehicle Switc hEngine
Off *A
warning tone also sounds. The coolant is tooh ot. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situa‐
tions ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping oper‐
ating fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. &
WARNING Risk of scalding from ho tcoolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. #
Monitor thec oolant temp eratur edisplay 00AConthei nstrument
clus ter. #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tother adiator is no tobstructed. #
Avoiding high engine loads, driv eontothe neares tqualified spe‐
cialis tworks hop. In doing so, ensur ethat thec oolant temp era‐
tur ed ispla yremain sbelo wt he redm arking.
00AC *T
hefanm otorisd efective.
Ve hicles without steering-wheel buttons: #
Chec kthe coolant temp eratur e(/pag e142).
Ve hicles wit hsteering-wheel buttons: #
Chec kthe coolant temp eratur edisplay 00AConthei nstrument
clus ter.
If th ec oolant temp eratur eisbelowt he maximum value specified
belo w,youc an continue drivin gtothe neares tqualified specialist
wo rkshop.
Av oid high engine loads, e.g. driving on hill yroads or stop-and-go
driving.
During normal driving and if thec oolant le velisc orrect, thec oolant
te mp eratur edispla yisp ermitted torise toletter H. Displa
ymessages and warning and indicator lamps 253

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions &
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. #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. #
Secu rethev ehicle agains trolling away. #
Close theh ood.
003D
or
0051 *I
na ddit ion, awarning tone sounds du ring thet rip.
The displa yshows theo pen door or doors. #
Close all thed oors.
00B2
Check Washer Fluid *T
hewasher fluid le velint hewasher fluid reser voir has dropped
belo wthe minimum. #
Addw ashe rfluid (/ page181).
00CC
0091
Pwr .Steerin gMalfunct. *A
warning tone also sounds. The steering po werassi stanc ecould be
malfunctioning. Youm aynee dtos teer mor eforcefully. #
Carefully continue toaq ualified specialis tworks hop and ha ve
th es teering checkedi mmediatel y.
00CC Power Steering Malfunc-
tion See Oper. Manual *A
warning tone also sounds. The po werassi stanc efor thes teering
could be malfunctioning. Youm aynee dtos teer mor eforcefully. #
Carefully continue toaq ualified specialis tworks hop and ha ve
th es teering checkedi mmediatel y.
Phone No Service *Y
our vehicle is outside thet ransmission and receiver rang eoft he
mobile phone networ kprovide r.
Shif tto' P' or 'N' to Start
Engine *
Yo uh ave attem pted tostar tt he engine in transmission position 005E
or 005B. #
Shif tthe transmission toposition 005Dor005C.
Auxiliary Battery Mal-
function *T
he auxiliary batteryfor thet ransmission is no longer being
ch arge d. #
Consult aqualified specialis tworks hop. 258
Displa ymessages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions R
Invehicles without steering-wheel buttons –viathed ispla yon
th eo n-boar dcomputer
R Invehicles wit hsteering-wheel buttons –viathea nalog dis‐
pla yont he instrument clus ter #
Do no tres tart thee ngine until thec oolant temp eratur eisbelow
th es pecified maximum value. If youd o,thee ngine ma ybedam‐
aged. #
Driv eontot he neares tqualified specialis tworks hop. Avoid high
engine loads, e.g. driving on hill yroads or stop-and-go driving.
During normal driving and if thec oolant le velisc orrect, thec oolant
te mp eratur edispla yisp ermitted torise toletter Hor ther ed mar k.
00AC
Coolan twarning lamp *The
redc oolant warning lam pisonw hilethee ngine is running .A
wa rning tone also sounds.
The coolant temp eratur ehasexc eeded them aximum value specified
belo w.The air supply tother adiator ma ybeimpaired or thec oolant
le ve lm aybe tool ow.
The engine has no tbeen suf ficiently cooled and ma ybedamaged. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situations
ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping operat‐
ing fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. #
Paya ttention tothed ispla ymessages. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. #
Secur ethe vehicle agains trolling away. #
Exit thev ehicle and keep asafed ista nce from it unti lthe engine
has cooled down. #
Chec kthe coolant le vela nd add coolant, complyin gwitht he
instructions (/ page180). #
Ifth ec oolant has tobe topped up frequentl y,ha ve thee ngine
cooling sy stem checkedataq ualified specialis tworks hop. #
Ensur ethat thea ir supply tother adiator is no timp aired, e.g. by a
plastic bag that has been blown ont othe grille. #
Chec kthe coolant temp erature: Displa
ymessages and warning and indicator lamps 267