MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

use
thec argo tie-down points closes ttothe
load; pad shar pedges.
Note onthec argo tie-down point sand tie-
down eyes on thec argo compa rtmen tfloor
fo rt ouring mo torcycles (vehicle categor yM1) Example: lashing angle
foro ptimal loads ecurity
0057 Vertical tothec argo compartmen tfloor
0058 Cargo compartmen tfloor
1 Direction of pull wit h75° lashin gangle
2 Direction of pull wit h45° lashing angle
The lashing angle is thea ngle form ed between
th ec argo compartmen tfloor and thet ie down.
Fo ro ptimum loads ecuring in accordance with
st andar dISO 27955 thel ashing angle mus tbe
between 45° 2and 75° 1.The maximum
nominal tensil eloa do f786.5 lbf (350 daN) for
th et ie-down eyes in thec argo compartmen tfloor
or in theg uide rails ma ynotbe exc eeded.
Note sont he partitio nfor commercial vehi‐
cle s(vehicle catego ryN1)
Wi thout apartition ,vehicles appr ovedasc om‐
mercial vehicles (vehicle categor yN1) do no tful‐
fi ll th ec urrentl yv alid version of standard
IS O2 7956. Standar dISO 27956 describe sthe
equipment forp roperly securing aloa dind elivery
ve hicles. If thev ehicle is used totranspo rtgoods,
re trofitting thep artition is strongly recommen‐
ded ,asp rope rlys ecuring thel oad in vehicles
without apartition will alw aysbeac omplexoper‐
ation. Overvie
wofcargo tie-down points Cargo tie-down points (e
xample: Cargo Van) Fixed cargo tie-down points on
thef loor (e xam‐
ple: Tourer wit hseat anchorages) Example:
variable cargo tie-down points in the
guide rails
1 Guide/loadin grails
2 Tie-down eye
If yo ur vehicle is equipped wit hguide or loading
ra ils 1 inthec argo compartmen tfloor ,you can
place lashin grods directly in front of and behind Tr
ansporting 16 9

th
el oad. The lashing rods directly absorb the
po tentia lshifting forc es.
Securing loads on thec argo compartmen tfloor
by lashing them down is onl yrecommended for
light weight loads. La yanti-slip mats under the
load toassis tinsecuring it.
Do no tattem pttomodify or repair thec argo tie-
down points ,tie-down eyesort ie downs. Read
th ei nformation on qualified specialis tworks hops
(/ page18). Using lashin
gstraps Obser
vetheo perating instruction sorthe lashing
st ra pm anufacturer's instruction sfor theo pera‐
tion of thel ashing stra p.
Securing loads on thec argo compartmen tfloor
by lashing them down is onl yrecommended for
light weight loads. La yanti-slip mats under the
load toassis tinsecuring it. #
Obse rvet he no tesons ecuring loads
(/ page168). #
Obser vethem aximum loading capacity of the
cargo tie-d ownp oints and tie-down eyes
(/ page234).
No tesa nd information on them aximum loading
capacity of thel ashing stra pc an be found on the
lashing stra pl abel. If thel abel is missing or illegi‐
ble, thel ashing stra pisr eady tobe discarded and
mus tber eplaced. Suc halashing stra pm ustn ot
be used.
If re fere nce sticke rs we reincluded on deliver y,
af fixt hem tothev ehicle as follo ws: #
Clean thes urface befor esticker 1is af fixe d.
The sticke rs mus tbea ffixed toaflat, me tallic
sur face free from grease and du st. #
Affixs tickers 1 oneverys ide of thev ehicle
in close pr oximit ytot he loading rails in a
clearly visible location.
Te nsioning strap #
Obser vetheO perating Instruction sorthe
manufacturer's no tesonh owtouse thet en‐
sioning stra p.
Ti ghtening #
Press and hold tensioning le ver3. #
Guide tensioning strap 1between tension‐
ing le ver3and brace 2as illustrated and
tighten. #
Release tensioning le ver3.
Re leasing #
Press and hold tensioning le ver3. #
Pullt ensioning strap 1out of thes trap
bu ckle.
Ra tche tstrap 17 0
Transporting

#
Obser vetheO perating Instruction sorthe
manufacturer's no tesonh owtouse the
ra tche tstrap.
Re leasing thet ensioning le ver #
Press slider lock 3outwards in thed irection
of thea rrow and swin gtensioning le ver2
from de tent position 0047tothed esired posi‐
tion.
Ti ghtening ther atche tstrap #
Release and open tensioning le ver2. Threading and
tensioning #
Guid eratche tstrap 4thro ugh slotted shaft
5 from behin dasillustrated and tighten it. #
Swin gtensioning le ver2bac kand forth
until ratche tstrap 4hasw ound around slot‐
te ds haft 5and is suf ficiently tensioned. #
Swing tensioning le ver2todetent position
0047.
Re leasing ther atche tstrap Te
nsioning le verint herelease position #
Press and hold slider lock 3outwards. #
Swin gtensioning le ver2asfarasitw illgo
to release position 004Eand release slider lock
3.
Slider lock 3engages in end recess 7and
slider lock 6unloc ksslotted shaft 5. #
Pull ratche tstrap 4outoft heratchet. In
stalling and removing tie-down eyes &
WARNING Risk of inju rydue toincor‐
re ctly ins talled tie-down eyes
If th et ie-down eyes ar enotcor rectly ins tal‐
led, they can sli portear out.
This ma ycause objects, luggag eorthe load
to slip, tip overorbet hrow na bout thev ehicle
interior ,striking vehicle occupants. #
Mak esuret hat thet ie-down eyes are
cor rectl yins tal led and do no tmove. #
Obser vethen otes on loading guidelines and
on securing loads (/ page166). Example
:guide rails Ti
e-down eyes forg uide rails Tr
ansporting 171

Installing
#
Turn me tal retainin gring 3sothat it is paral‐
lel tothel ong axis of tie-down eye2as illus‐
tra ted.
The locking pin can onl ybepushed down suf‐
fi ciently and allo wthe tie-down eyetobe
ins talled, mo vedorr emoved, if them etal
re tainin gring is parallel tothel ong axis of the
tie-down eye. #
Hold tie-down eye2between your fore finger
and middl efinger as illustrated, and place
yo ur thumb thro ugh me talr etainin gring 3
an dont he centra lpressur epoint. #
Use your thumb topush thel ocking pin down
as farasitw illg o. #
Push tie-down eye2near thel oad using the
notches on guid erail 1,a nd mo veit appr ox‐
imatel y0.5 in (1 2mm). #
Remo veyour thumb from thep ressur epoint
and slide tie-down eye2until it engages. #
Turn me tal retainin gring 3sothat it is per‐
pendicular tothel ong axis of tie-down eye
2 .
The locking pin cannot be pushed downfarif
th em etal retainin gring is perpendicula rto
th el ong axis of thet ie-down eye. This pre‐
ve nts thet ie-down eyef romb eing released
unin tentionally ,e.g. if thet ie-down eyeis
st epped on. #
Chec kthat tie-down eye2is seated cor‐
re ctly.
The tie-d owne yecann otbe mo ved.
Re moving #
Turn me tal retainin gring 3sothat it is paral‐
lel tothel ong axis of tie-down eye2. #
Grip tie-down eye2as described abo ve
unde rins talling and use your thumb topush
th el ocking pin down as farasitw illg o. #
Slide tie-down eye2and pull it up and out
th ro ugh then otch of guide rail1. Load securing aid
Re
moving/installin galoadp rote ction net &
WARNING Risk of inju ryor deat hdueto
object sbeing poorly secured
The load pr otection ne talone cann otrestra in
or secur eheavy objects, luggag eorheavy
loads. Yo
uc oul dbeh itby an unsecured load during
sudden changes in direction ,brakin gorint he
eve nt of an accident. #
Alwayss towo bjectsins uchaw aythat
th ey canno tbethrow na bout thev ehi‐
cle. #
Secur eobjects, luggag eorloads against
slipping or tipping over,e.g. byusin gtie
downs ,evenw heny ou ar eusingthe
load pr otection net. &
WARNING Risk of inju rydue tositting
behind apartitioning net
Ve hicle occupants can be pressed agains tthe
partitioning net. Ther eisarisk of injur y. #
Nevera llow vehicle occupants tosit
behind thep artitioning net. The load pr
otection ne tpartition sthe cargo com‐
partment. It pr otects vehicle occupants from light
objects and/or luggag eslipping or tipping over.
Yo uc an ins tallth el oad pr otection ne tatanangle
behind thef ront seats or behind thef irst ro wof
re ar seats. #
Obse rvet he no tesons ecuring loads
(/ page168). Up
per retainer 17 2
Transporting

Floo
ranchorag e(example: secured tie-down eye)
Installing #
Remo vethec argo compartmen tpartition if
necessar y. #
Clip thel oad pr otection ne tint ou pper retain‐
ers 1in suc hawaythat tensioning stra ps
3 face ther ear of thev ehicle. #
Install tie-down eyes 5 intot he guide rails
close tother ear seat legs (/ page171).
Po sition them at leas t2in(5cm) fromthe
seat legs toallo wsubse quent mo vement of
th er ear seat. #
Chec kthat tie-down eyes 5 ares eated cor‐
re ctly.
Ti e-down eyes 5 should no tmove. #
Pull tensioning stra ps 3 ofthel oad pr otec‐
tion ne ttightly. #
Clip hooks 4ontensioning stra ps 3 into
tie-down eyes 5. #
Foldtensioning element 2up. #
Pull thel oose end of tensioning stra ps 3
down in thed irection of thea rrow until ten‐
sioning stra ps 3 aret ight. #
Foldtensioning element 2down toachie ve
th ef ina ltension on thes traps. #
If necessar y,ins tallth ec argo compartment
partition . #
Aftert rave ling ashor tdista nce, checkt hat
th el oad pr otection ne tistaut, and retighten
it if necessa ry.
Re moving #
Remo vethec argo compartmen tpartition if
necessar y. #
Foldtensioning element 2up.
Te nsioning stra ps 3 ares lack. #
Unc lip hooks 4oftensioning stra ps 3 from
tie-down eyes 5 attheb otto m. #
Unclip thel oad pr otection ne tfromu pper
re tainers 1. #
When requ ired, remo vetie-down eyes 5
(/ page171). #
If necessa ry,ins tallth ec argo compartment
partition . #
Roll up thel oad pr otection ne tand fast en it,
st ill rolled up, using theV elcr ofasteners.
Ad justin gthe fron tseatw itht he load pr otec‐
tion ne tinstalled #
Foldtensioning element 2onstra ps 3
upwards.
The load pr otection ne tslac kens. #
Correctl yadjus tthe front seat. #
Re-tension thel oad pr otection net. Car
rier sy stems Note
sonc arrier sy stems &
WARNING Risk of accident du eto
exc eeding them aximum roof load
The vehicle center of gr avity and theu sual
driving characteristic saswell asthes teering
and braking characteristic salter.
If yo ue xceed them aximum roof load, the
driving characteristics, as well as steering and
braking, will be greatl yimp aired. #
Nevere xceed them aximum roof load
and adjus tyour driving style. Yo
uc an find information on them aximum roof
load under "Cargo tie-down points and car rier
sy stems" (/ page234).
* NO
TEDama gedue toexc eeding the
maximu mpermissible roof load If
th ew eight of ther oof luggage, including the
ro of luggag erack, exc eeds them aximum per‐
missible roof load, this can cause damag eto
th ev ehicle. #
Do no texceed them aximum permissi‐
ble roof load. Tr
ansporting 17 3

#
Arrang et he supporting feet of ther oof
luggag erackatane vend ista nc ef rom
eac hother. #
Installth eb asic car rier bar sfor rail in
front of and behin dthe mid-section sup‐
port. *
NO
TEDama getothet hreadedh oles of
th er oof luggag erackd uetoan exces‐
sively hig htigh tening torque An
exc essively high tightening torque or an
insu fficien tscrew -in de pthc an cause damage
to thet hread of ther oof luggag erack' sthrea‐
ded holes. #
Tighten thes crew stoam aximum tor‐
qu eo f7.4 lb-f t(10 Nm). #
Compl ywitht he minimum scr ewpene‐
tration of four revo lution sinthethre ad.
Use roof and rear luggag eracks that ha ve
been appr ovedorr ecommended for
Mercedes-Benz. These help topreve ntvehicle
damage. Yo
uc an ins tallar oof luggag erackont heroof
and, fore xamp le,arear bicycle rack on thet ail‐
ga te.
Ins tallth ec over caps of thes ecuring thre ad af ter
re moving ther oof luggag erack.
If yo uh ave installed arear luggag erackont he
ta ilgate, thea dditional weight restricts thea ssis‐
ta nce of fere dbyt he pneumatic springs when you
open thet ailgate. Youw illthen need mor eforce
to open thet ailgate. Atlowo utsid etemperatures
belo wfreezing point, yous houl dprovide addi‐
tio nalsuppor tfor thet ailgat eafter opening it in
order topreve nt it from lo wering unintentionally. 174
Transporting

Note
sonm aintenance
+ ENVIRONMEN
TALN OTE Environmental
pollution du etodisposal in anon-envi‐
ro nmentally-friendly manner If circums
tances demand that youh ave todo
some maintenanc eworky ourself, environ‐
mental pr otection requirements mus tbe
obser ved. When disposing of service prod‐
ucts, e.g. engin eoil,youm ustc ompl ywith
th el egal requ irements. This also includes all
components, e.g. filters, whic hhave come
int oc ontact wi thoperating fluids. #
Dispose of em ptyc ontainers, cleaning
clo thsa nd car eproducts in an environ‐
mentally responsible manner. #
Obser vethei nstruction sfor car eprod‐
ucts. #
Do no trun thee ngine forl onger than
necessar ywhen thev ehicle is station‐
ar y. When
working on thev ehicle, comply wit hall
saf etyr egulations, suc hasthe operating instruc‐
tions, regulations concerning hazardous materi‐
als, environmental pr otection measures, work
saf etya nd acciden tpreve ntion regulations.
Yo um usts ecur ethe vehicle on jac kstands of
suf ficient load-bearing capacity if workis being
car ried out underneat hthe vehicle.
Please also refertot he no tesa bout qualified spe‐
cialis tworks hops (/ page18).
The scope and regularity of thei nspection and
maintenanc eworkp rimaril ydepend on theo ften
diverse operating conditions .Inspection and
maintenanc eworkr equires special skills that
canno tbeacquired byreading these Operating
Instructions. This workshould onl ybecarried out
by trained pe rsonnel.
The vehicle Maintenance Bookle tdescribes the
scope and frequency of maintenance workand
contains additional no tesont he Limited War‐
ra nty .You will find information abou toperating
fl uids appr ovedfor Mercedes-Benz and capacities
under "Operatin gFluid sand Capacities"
(/ page 227).
Maintenance services mus tbecarried out in
accordance wit hthe instructions in theM ainte‐
nanc eBooklet. No tdoing so could void an ywar‐
ra nty claims and lead torefusa lofg oodwil lges‐
tures af tert he manufacturer has submitted a
damag ereport. Obser
vethei nformation under "Mercedes-Benz
GenuineParts" (/ page13). Se
rvice inter vald isplay Service inter
vald ispla yfunction The AS
SYST PLUS service inter vald ispla yont he
instrument clus terd ispla yprovide sinformation
on ther emaining time or dis tance be fore then ext
service due date.
Under arduous operating conditions or if thev ehi‐
cle is subjected toinc reased loads, theA SSYST
PLUS service inter vald ispla ymayshor tent he
service inter val.
Yo uc an obtain fur ther information concerning
th es ervicing of your vehicle from aqualified spe‐
cialis tworks hop. Displaying
thes ervice du edate( vehicles
without steering wheel but tons) Requ
irements:
R The vehicle is stationar y.
R The ignition is switched on.
Use theb uttons on thei nstrument clus ter. #
Press theÈbutton toselect thes ervice dis‐
pla y.
The displa ywill sho wapossible service mes‐
sage. #
Toexitth ed ispla y:press the0078button on
th ei nstrument clus ter. Displaying
thes ervice du edate( vehicles with
st eering wheel but tons) Re
quirements:
R The ignition is switched on.
On-boar dcomputer:
4 Service 5
ASSYS TPLUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press the0076 or0038
st eering-wheel button. Maintenanc
eand care 175

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