2021 MERCEDES-BENZ METRIS 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

If someone becomes trapped,
take thef ollow‐
ing actions:
R press the0042 button on thek eyor
R pull thee xterio rdoor handle or
R press thea ppropriat esliding door button
in thec enter console or
R press theb utton on thed oor sill or
R pull ther ockers witc hont he door handle &
WARNING Risk of becoming trapped due
to sliding door opening towa rdst he rear
When youo pen thes liding door ,the sliding
door could hit other people as it mo ves
to wa rdst he rear of thev ehicle. #
Onlyopen thes liding door when tra ffic
condition spermit. *
NO
TEDama getothes liding door due to
incor rect use Using
thel owe rguide of thes liding door (car‐
ri age) as astepc an result in damag etothe
trim and/or mechanic alcomponents of the
sliding door. #
Do no tuse thel owe rguide of thes liding
door (car riage) as astep. Yo
um ustrese tthe electric sliding door if there
has been amalfunction or adropinv oltage
(/ page50).
% Please no
tethat thes liding door cann otbe
opened from thei nside when thec hild-p roof
loc kisa ctivated. Youc an on lyopen thes lid‐
ing door from thei nside if thec hild saf ety
loc kshave notb eena ctivated. Further infor‐
mation on this can be found in the" Occupant
saf ety" (/ page40)and "Openin gand clos‐
ing "(/pag e48) sections.
Yo ur vehicle can be equipped wit hanelectric
sliding door on thel efta nd/or right-han dside.
Yo uc an open and close thes liding door with
th ese cont rols:
R Slidin gdoor buttons on thec enter console
R Sliding door button on thed oor sill (B-pillar)
R Door handle (inside or outside)
R Key
The sliding door is equipped wit hautomatic
bloc kage detection wi threve rsing function .Ifa
solid object bloc ksorrestricts thes liding door during
thea utomatic closing process, thes liding
door opens again automaticall y.Ifth es liding
door is obstructed during theo pening procedure,
it mo vesb ackaf ewcentim eter sint he opposite
direction and stops.
The automatic bloc kage detection wi threve rsing
function is onl yanaid. It is no tasubstitut efor
yo ur attentiveness when closin gthe electrical
sliding door.
If an obs tacle is de tected, thed ispla yshows the
Left-hand Electric Sliding Door Obstruction
Detected message, fore xamp le, and five warning
to nes sound.
% In unf
avorable operating conditions ,e.g.
frost, ice or heavy soiling, press and hold the
appropriat eslidin gdoor button. The electric
slidin gdoor mo vesw ithi ncreased forc e.
Obser vethat in suc hcircum stances, the
bloc kage detection is les ssensitive. Tostop
th em ovement, release thes liding door but‐
to n. Opening and closin
gthe electrical sliding
doo rfromt he inside &
WARNING Risk of becoming trapped due
to sliding door opening towa rdst he rear
When youo pen thes liding door ,the sliding
door could hit other people as it mo ves
to wa rdst he rear of thev ehicle. #
Onlyopen thes liding door when tra ffic
condition spermit. 48
Opening and closing

#
Toclose: press and hold the0042 button on
th ek ey fo rlonger than 0. 5seconds.
Yo uw ill hear tw oacoustic signals and the
sliding door will close automaticall y.#
Tointer rupt automatic operation: briefly
press the0042 button on thek ey.
The sliding door stops moving.
% In unf
avorable operating conditions ,e.g.
frost, ice or heavy soiling, press and hold the
appropriat eslidin gdoor button. The electric
slidin gdoor mo vesw ithi ncreased forc e.
Obser vethat, in suc hcircum stances, the
obs tacle de tection is les ssensitive. Tostop
th em ovement, release thes liding door but‐
to n. Opening/closing the electrical sliding door
from the outside
#
Toopen: pull door handle 1.
The slidin gdoor unloc ks,a utomatic operation
is star teda nd thes liding door opens. In addi‐
tion, youw ill hear tw owarning signals. #
Toclose: pull door handle 1.
The slidin gdoor is released from its loc kand
automatic operation is star ted. The sliding
door closes. #
Tointer rupt automatic operation: pulldoor
handle 1again. Prog
rammin gthe keyb utton fort he sliding
door Re
quirements
R The vehicle is equipped wit htwo electric slid‐
ing doors.
R The sliding door tobe prog rammed is open.
R The ignition is switched on.
The 0042 button on thek eycan be prog rammed.
Program the0042 button toopen ther ight or left
slidin gdoor. 1
Sliding door button fort he sliding door on the
left-hand side
2 Slidin gdoor button fort he sliding door on the
ri ght-han dside #
Press and hold sliding door button 1or2
in thec enter console fort he appropriat eslid‐
ing door until thes liding door is closed and
fo ur tones ha vesounded.
The Left-hand Electric Sliding Door Key Pro-
grammed/Right-hand Electric Sliding Door
Key Programedmessag eappears inthed is‐
pla y. Re
setting thee lectric sliding door Yo
um ustrese tthe electric sliding door if there
has been amalfunction or adropinv oltage. #
Ifth es liding door is open: close it byhand. #
Using thec orresponding 0042or0041 sliding
door button on thec enter console, open the
sliding door at leas t15.8 in (40 cm) and then
close thes liding door comple tely. #
When thes liding door is closed, open thes lid‐
ing door fully using thec orresponding 0042
or 0041 sliding door button on thec enter
console.
The sliding door is rese ta nd operational. 50
Opening and closing

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

An accumulation of sno
wand ice ,particularly
when frozen, in thea reaa round thea ir intake,
moving parts, thea xles, and thew heel wells may
cause thef ollowing problems:
R Obstruction of thea ir intake
R Damag etovehicle parts
R Malfunction sdue torestriction of them obility
intended bythed esign (e.g. reduced steering
mo vement)
If th er eisa nydamage, infor maqualified special‐
is tw orks hop.
Information about driving off-road &
WARNING Risk of accident if youdon ot
ke ep toline of fall on inclines
If yo ud rive at an angle or tur nonanincline,
th ev ehicle could slip side ways,tip and roll‐
ove r. #
Alwaysd rive on inclines in thel ine of fall
(straight up or down) and do no tturn. &
WARNING Risk of inju ryfrom accele ra‐
tio nforces during off-road driving
Yo uc oul dbet hrow nfromy our seat, for
ex ample. #
Alwaysw ear your seat belt evenw hen
driving off-road. &
WARNING Risk of inju ryto theh ands
when driving overobstac les
If yo ud rive over obs tacles or in tir eruts ,the
st eering wheel ma ywhip around. #
The steering wheel mus talway sbeh eld
securely wit hbothh ands. #
Alwaysh old thes teering wheel so that
yo ur thumbs ar eonthe outer rimoft he
st eering wheel. #
When driving overobstac les, expect
increased steering forc es at short
notice. &
WARNING Risk offire due toflammable
materials on ho tparts of thee xhau stsys‐
tem
Flammable materia lsuc hasl eaves, grass or
twigs ma yignit eift heyc ome int ocontact
wi th hotp arts of thee xhau stsystem. #
When driving on unpa vedr oads or off-
ro ad, regular lych eckt he vehicle under‐
side. #
Remo vetrappe dplants or other flam‐
mable material, in particular. #
Ifth er eisd amage, consult aqualified
specialis tworks hop immediately. *
NO
TEDama getothev ehicle af terd riving
off-road Fo
reign bodies, suc hasstones and branches,
could become trapped on thev ehicle under‐
side or on wheels and tires while youa redriv‐
ing and caus edamag etothevehicle.
Fo reign bodies could cause thef ollowing
damage:
R Damag ethe suspension, thef uel tankor
th eb rake system
R Cause imbalances and thus vibrations #
Regular lyremo veanyt rapped fore ign
bodies, e.g. stones and branches. #
Afterd riving off-road, checkc arefully
whe ther ther eisa nydamag etothe
ve hicle. #
Ifth er eisd amage, ha vethev ehicle
ch eckedataq ualified specialis twork‐
shop. When driving off-road or on unpa
veds urfaces,
ch eckt he vehicle underside, wheels and tires
re gularly at regular inter vals. In particular,
re mo veanyt rapped fore ign bodies, e.g. stones
and branches.
Obser vethef ollowing no tesr egarding fore ign
bodies of this kind:
R Theym aydamag ethe suspension, thef uel
ta nk or theb rake system.
R Theym aydisturb theb alance and cause
vibrations.
R Theym aybe flung out from thev ehicle when
yo uc ontinue driving.
If th er eisa nydamage, infor maqualified special‐
is tw orks hop.
When driving off-road and on construction sites,
sand, mud and water,also mixed wit hoil, can get
int ot he brakes. This ma ylead toareduction in
braking ef fect or total brak efailure, also as a
re sult of increased wear.T he brakin gcharacteris‐
tics will vary depending on them aterial that has 102
Driving and pa rking

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

traf
fica nd inter vene if necessa ry.Bea wareofthe
limitation sregarding thes afeu se of these sys‐
te ms.
If yo uf ail toadap tyour driving style, thed riving
sy stems can neither reduce ther isk of accident
nor override thel aws of ph ysics. The road and
we ather condition saswell asthet raffic situation
canno talway sbet aken in toaccount. In
fo rm ation on vehicl esensor sand cameras Some driving and driving saf
etys ystems use
camera sand radar or ultrasonic sensor stomoni‐
to rt he area in front of, behind or next tothev ehi‐
cle. 1
Multifunction camera
2 Ultrasonic sensors
3 Rear vie wcamera
% Depending on
thev ehicle's equipment, the
ra dar sensor sareintegrated on thes ide of
th er ear bumper sand/or behin dthe
Mercedes star in ther adiator grill. &
WARNING Risk of accident du eto
re stricted de tection per form anc eofv ehi‐
cle sensor sand cameras
If th ea reaa round vehicle sensor sorcameras
is co vered, damaged or dirty ,certain driving
and saf etys yst ems cann otfunction cor rectly.
The reisar isk of an accident. #
Keep thea reaa round vehicle sensor sor
cameras clear of an yobstructions and
clean. #
Have damag etothe bumper ,radiator
grille or stone chipping in thea reaof th
ef ront and rear wind owsrepaired at a
qu alified specialis tworks hop. Ke
ep thea reas of thec amera sand sensor sfree
of dirt, ice and slush (/ page184). The sensors
and cameras and their de tection area smustn ot
be co vered. Do no tattac hadditional license plate
holders, advertisin gmedia, sticke rs,foils or stone
pr otection foils in thed etection rang eoft he sen‐
sor sand cameras. Ensur ethat no pr otru ding load
ex tends int othe de tection area.
In thee vent of damage, or following aseve re
impact ,have thef unction of thes ensor schec ked
at aq ualified specialis tworks hop. Ha vedamage
or stone chips in thea reaoft he cameras
re paired at aqualified specialis tworks hop. Overvie
wofdriving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock BrakingSystem)
(/ page111 )
R BAS(Bra ke Assist System) (/ page111 )
R ESP ®
(Ele ctronic Stability Program)
(/ page111 )
R EBD ( Electronic Brakeforce Distribution)
(/ page113 )
R ActiveB rake Assi st (/ pag e113 )
R Cruis econt rol(/pa ge115)
R ActiveD ista nce Assi stDISTRONIC
(/ page 116)
R Hill star ta ssis t(/pag e120)
R HOLD function (/ page121 )
R Parking Assis tPARKTRONIC (/ page 122)
R Rear vie wcamer a(/ pag e123)
R ActiveP arking Assis t(/pag e125)
R ATTENTION ASSIS T(/ pag e127)
R Blind Spo tAssis t(/pag e129)
R Lane Keeping Assis t(/pag e129) 11 0
Driving and pa rking

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