heater MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

#
Press and hold button 1until youh ear a
clic kfollo wedbyt he mir rora udibly engaging
in position.
The mir rorh ousing willn owbe engaged and
yo uw ill be able toadjus tthe outside mir rors
as normal.
Heatin gthe outside mir rors
Ve hicles without arear windo wheater: at
te mp eratures belo w59°F (15°C), them irror
heater will automaticall yswitc honp ermanently
once thee ngine has been star ted.
Ve hicles with arear windo wheater: attemp er‐
atures belo w59°F (15°C), them irro rh eater will
automatically switc honfortenm inuteso nce the
engine has been star ted. The mir rorh eater can
also be switched on toget her wit hthe rear win‐
do wh eater. #
Swit chon thei gnition. #
Press the006C button on thec ont rolp anel
fo rt he air conditioning.
The indicator lam ponthe006C button lights
up and them irro rh eater switches on toget her
wit hthe rear wind owheater. Dimming
thei nsid erearvie wmirror #
Fold anti-glar elever 1inthed irection of the
ar row. Operating sun visors #
Glar efromf ront: fold sun visor 1down‐
wa rds. #
Glar efromt he side: swivels un visor 1to
th es ide. Light and vision
89

Overvie
wofclimatecontrol sy stems Overvie
wofdual-zone automatic clima tecontrol 1
Sets thet emperatur e(/pag e93)
0085 Defrosts thew indshield
2 004E Switches ther ear air conditioning sys‐
te mo n/off
3 008F Adjusts thea ir distribution
(/ page93)
0061 Defrosts thew indshield
4 0073 Switches air-recirculation mode on/o ff
( / pag e94)
5 0097 Setsthea irflow ( /pag e93)
0085 Defrosts thew indshield
6 005A Switches cooling wit hair dehumidifica‐
tion on/o ff (/ pag e92)
7 006C Switches ther ear windo wheater and
mir rorh eater on/of f(/pag e95) 90
Climat econtrol

Overvie
wof3-zone automatic climat econtrol 1
Sets thet emperatur eonthe leftand at the
re ar (for vehicles wit hrear air conditioning
sy stem only) (/ page93)
2 0058 Switches on automatic mode
(/ page92)
3 0064 Defrosts thew indshield (/ page94)
4 0097 Increases air flow ( /pag e93)
5 0054 Setsthea ir distribution (/ page93)
6 Display
7 0073 Switches air-recirculation mode on/o ff
( / pag e94)
8 004E Switches controls torear air condition‐
ing sy stem (secon dmenu le vel)
9 Sets thet emperatur eontheright and at the
re ar (for vehicles wit hrear air conditioning
sy stem only) (/ page93)
A 0 Switches synchronization on/o ff
( / pag e94)
B 005A Switches cooling wit hair dehumidifica‐
tio no n/of f(/pag e92)
C 0095 Reduces air flow ( /pag e93)
D 006C Switches ther ear windo wheater and
mir rorh eater on/of f(/pag e95)
E 004B Switches residualh eat utilization
on/of f(/ pag e95) Operating climat
econtrol sy stems Switching
thec lima tecontrol sy stem on/off Fr
ont heating or dual-zone automatic clima te
control
If climat econtrol is swit ched off, thea ir supply
and circulation will also be switched off. Use this
setting onl yfor ab rief period. Otherwise ,the win‐
do ws could fogu p. #
Switc hont he ignition. #
Toswitc hon:tur nthe 0097 airflow control
to level 0047 or higher. #
Toswitc hoff:turnthe 0097 airflow control
to level 005A.
Fr ont 3-zone automatic clima tecontrol #
Swit chon thei gnition. #
Toswitc hon:press the0058 button.
The indicator lam ponthe0058 button will
light up. Climat econt rolw ill automaticall ybe
re gulated according tothes ettemp erature.
or #
Press the0097 button and se tablowe rset‐
ting.
The blo wersettings willbes hown onthed is‐
pla yasab ar graph. #
Toswitc hoff:press the0095 button and
th en press it again once thel owest blower
setting has been reached.
The operatin gunit displa ywill go off. Climat
econtrol 91

wit
hrear climat econtrol, thet emperatur efor the
re ar compartment can also be set. Eac hsettem‐
peratur eisautomatically maintained at acon‐
st ant le vel. #
Toincrease or decrease: turnthe cor re‐
sponding temp eratur econt rolc oun ter-clock‐
wise or clockwise (/ page 91).
The control panel displa yshows thes ettem‐
peratur efor thel eftorr ight side at the
re spectiv eedgeoft he displa y.
Ve hicles wit hrear climat econtrol: press the004E
button tosetthe temp eratur efor ther ear com‐
partment .When thei ndicator lam ponthe button
fl ashes ,you can se tthe temp erature. Switching
thes ynchronization function
on/off Requ
irements:
R The climat econtrol sy stem has been
switched on (/ page91).
3-zone automa ticc limat econtrol
The temp eratur ecan be se tcent rallyu sing the
synchronization function. The temp eratur eset‐
ting fort he driver's side will then be adop tedf or
th ef ront passenger side and, in vehicles wit hrear
climat econtrol, ther ear compartment as well. #
Press the0 button.
When thei ndicator lam ponthe0 button
lights up, thef unction is switched on. The dis‐
pla yw illthen sho wthe temp eratur eseton
th ed rive r's side fort he front passenger side.
The synchronization function will switc hoffifthe
te mp eratur esetting fort he front passenger side
or fort he rear compartment is altered. The indi‐
cator lam ponthe0 button will go out. Defrosting
thew indshield Heating or dual-zone automatic clima
tecon‐
trol
Yo uc an use thef ollowing settings todefros tthe
windshield and remo vecondensation from the
windshield and thef ront side windo wsfrom the
inside .Selec tthe following settings onl yfor as
long as it take sf or thew indshield tobe clear. #
Switc honc limatecontrol (/ page91). #
If necessar y,switc hont herear wind ow
heater (/ page95). #
Ifth ew indo wsaref ogged up: switc hoffair-
re circulation mode (/ page 94). #
Turn thet emperatur econt rola nd air flow con‐
trol tothe 0085 position (/ page90). #
Select the0061 position fora ir distribution
(/ page93).
Onl ythe indicator lam ponthe0061 button
will light up. #
Vehicles wit hheating: close thec enter air
ve nt (/ page 95). #
Vehicles wit hair conditioning: switc honthe
"Cooling wit hair dehumidification "function
(/ page92).
3-zone au tomatic climat econtrol
Yo uc an use thef ollowing settings todefros tthe
windshield and remo vecondensation from the
windshield and thef ront side windo wsfrom the
inside .Selec tthe following settings onl yfor as
long as it takesfort he windshield tobe clear. #
Switc honc limatecontrol (/ page91). #
If necessar y,switc hont herear wind ow
heater (/ page95). #
Press the0064 button.
The temp erature, air flow and air distribution
will be regulated automaticall y.Air-reci rcula‐
tio nm odew ill be deactivated.
When youe nable automatic mode, the" Defrost
windshield" function will switc hoffautomaticall y.
When yous wit ch offt he "Defros twindshield"
function, thep reviou ssettings fora utomatic cli‐
mat econtrol willbea ppliedagain.
No tethef ollowing exceptions:
R Air-recirculation mode will remain switched
off.
R Ifth eA /C function has been automatically
activated, it will remain active. Switching air-recirc
ulation mode on/off Dual-zone or 3-zone automatic climat
econ‐
trol
When air-recirculation mode is switched on, the
windo wsmayfog up mor equickl y.Switc hona ir-
re circulation mode only brief ly. #
Press the0073 button.
When thei ndicator lam ponthe0073 button
lights up, air-recirculation mode is switched
on. 94
Climat econtrol

Air-reci
rculation mod ewill automaticall yswit ch
on in thef ollowing cases:
R Athigh outside temp eratures
R While thev ehicle is driving thro ugh atunnel
(vehicles wit h3-zon eautomatic climat econ‐
trol and navigatio nonly)
Af tera pproxima tely 30 minutes, outside air will
auto matical lybe introduced again.
Air-recirculation mode will automaticall yswitch
of fint hefollowing cases:
R Aftera pproxima tely five minutes at outside
te mp eratures belo wapproximately 44°F
(7°C)
R Aftera pproxima tely five minutes when the
"Coolin gwitha ir dehumidification "function is
deactivated
R Aftera pproxima tely 30 minutes at outside
te mp eratures abo veappr oximatel y44°F
(7°C) and when the" Cooling wit hair dehu‐
midification "function is switched on Con
venience opening/closing &
WARNING Risk of becoming trapped dur‐
ing con venience opening
During con venience opening ,bod yp arts
could be dr awninorb ecome trapped
between thes ide windo wandthed oor frame. #
When opening, mak esuret hat nobody
to uches thes ide windo w. #
Release the0036 button immediatel yto
inter rupt theo pening procedur eif
somebody becomes trapped. #
Pre-entr yclimat econtrol and con veni‐
ence opening with thek ey: press and hold
the 0036 button on thek ey.
The side windo wsopen automatically and the
blo weroft he climat econt rols ystemisa ctiva‐
te d.
% At
higher interior temp eratures, theb lowe ris
also activated when adoor is opened .This
means that cooled air enter sthe vehicle inte‐
ri or sooner tocool thev ehicle mor erapidly. Switching
ther ear windo wheater on/off The
rear wind owheater consumes alot of elec‐
tricity .You should therefor eswitc hoffther ear windo
wheater as soon as ther ear windo wis
clear. #
Swit chon thei gnition. #
Press the006C button on thec ont rolp anel.
If th ei ndicator lam ponthe006C button
lights up, ther ear windo wheater is switched
on.
The rear wind owheater switches of fautomati‐
cally af teraf ewminutes. Switching
ther esidual heat utiliz ation on/off Onl
yvehicles wit h3-zone automatic climat econ‐
trol ha vether esidual heat function.
When thee ngine is switched off, it is possible to
mak euse of ther esidual heat of thee ngine to
heat or ventilat ethe vehicle interior fora pprox‐
ima tely 30 minutes. The heating or ventilation
time depends on thes etvehicle interior temp era‐
ture. #
Switc hoffthee ngine or remo vethek ey. #
Toswitc hon:press the004B button.
When residualh eat utilization is switched on,
th ei ndicator lam ponthe004B button will
light up.
The blo werw illr un at alow speed rega rdless
of thea irflow setting.
If th e" Residual heat" function is switched on
at high outside temp eratures, onl ythe sta‐
tionar yventilation will be switched on. The
blo werw illt hen runatm ediumspeed. #
Toswitc hoff:press the004B button again.
The indicator lam ponthe004B button will go
out.
Re sidualh eat utilization will switc hoffautomati‐
cally in thef ollowing cases:
R Afterar unnin gtime of appr oximately
30 minutes
R Ifth es tarter battery's conditio nofchargeis
to ol ow
R When thei gnition is switched on Operating air
vents Ad
justin gthe air vents &
WARNING Risk of bu rnsa nd frostbite
due tobeing tooc lose tothea irve nts
Ve ry hotorv eryc old ai rcan flow from thea ir
ve nts. Clima
tecontrol 95

and traction af
tera pproxima tely 10 0m iles.
Un tilthen, compensat efor ther educed brak‐
ing ef fect by applying greater pressur etothe
brak epedal. Driving tips
Note
sond riving &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object ssecurel yinthevehicle
so that they do no tget intot he driver's
fo ot we ll. #
When using floor mats or carpets, make
sur ethat they arep roperly secured so
th at they do no tslip or obstruct the
pedals. #
Do no tlay multiple floor mats or carpets
on topofo ne ano ther. &
WARNING Risk of accident du etoincor‐
re ct foot we ar
Incor rect foot we ar includes, fore xamp le:
R Shoes wit hplatform soles
R Shoes wit hhigh heels
R Slippers #
Alwaysw ear suitable foot we ar so that
yo uc an operat ethe pedals safely. &
WARNING Risk of accident if thei gnition
is switched of fwhile driving
If yo us wit ch offt he ignition while driving,
saf etyf unction sare re stricted or no longer
av ailable.
Yo uw ill nee dtouse considerably mor eforce
to steer and brake, fore xamp le. #
Do no tswit ch offt he ignition while driv‐
ing. &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling th
ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk of skidding and of an
accident du etoshifting down on slippery
ro ad sur faces
If yo us hiftd ow nons lipperyroad sur faces to
inc rease thee ngine braking ef fect, thed rive
wheels ma ylose traction. #
Do no tshif td ow nons lipperyroad sur‐
fa ces toinc rease thee ngine braking
ef fect. &
DANG ER Risk of fata linjur ydue topoi‐
sonous exhaus tgases
If th et ailpipe is bloc kedors ufficient ventila‐
tion is no tpossible ,poisonous exhaus tgases
suc hasc arbon monoxide ma yenter thev ehi‐
cle. This is thec ase when thev ehicle
becomes stuc kins now, fore xamp le. #
Keep thet ailpipe and thea reaa round
th ev ehicle free from sno wwhen the
engine or thes tationar yheater ar erun‐
ning. #
Open awindo wont he side of thev ehi‐
cle facing away from thew ind toensure
an adequat esupply of fresh air. &
WARNING Risk of accident and injury
du etob eing under thei nfluence of alco‐
hol and drugs while driving
Drinkin gand driving and/or taking drug sand
driving ar everyd angerous combinations.
Even asmall amount of alcohol or drugs can
af fect your reflex es, perceptions and judg‐
ment.
The possibility of aserious or evenfatal acci‐
dent ar egreatl yinc reased when youd rink or
ta ke drugs and drive. #
Do no tdrink or take drugs and driv eor
allo wanyo netodriv ewho has been
drinkin gortaking drugs. 98
Driving an dparking

Re
strictin gthe shi ftrange Re
quirements:
R Transmission position 005Bis engaged
(/ page105). #
Torestrict th eshiftrange: briefly pull steer‐
ing wheel gearshif tpaddle 1.
The automatic transmissio nshifts tothen ext
lo we rgear ,dependin gonthegear cur rently
engaged .The shi ftrang eisa lsor estricted.
The shif trang eselected is shown in them ulti‐
function displa y.The automatic transmission
shifts onl yasfar as thes elected gear. #
Pull and hold steering wheel gearshif tpaddle
1.
The automatic transmissio nwillch ang etoa
shif trang ewhich allo wseasy acceleration
and deceleration. Todo this, thea utomatic
transmission shifts down one or mor egears
and restricts thes hiftrange.
Th es hift rang es elected is shown in them ulti‐
function displa y.The automatic transmission
shifts onl yasfar as thes elected gear.
% The automatic transmissio
ndoes no tshift
down if youp ullsteering wheel gearshif tpad‐
dle 1whils ttrave ling at tooh igh aspeed.
If th em aximum engine speed fort he restric‐
te ds hiftrang eisr eached and youc ontinue
to depress thea ccelera torp edal, thea uto‐
matic transmission will shif tupautomaticall y.
This pr otects agains tengine overrev. #
Tode-restric tthe shi ftrange: briefly pull
st eering wheel gearshif tpaddle 2.
The automatic transmissio nshifts tothen ext
ge ar up, dependin gonthegear cur rently
engaged .Thisd e-re stricts thes hiftrang eat
th es ame time.
The shif trang eselected is shown in them ulti‐
function displa y.The automatic transmission
shifts onl yasfar as thes elected gear. #
Tode-restric tthe shi ftrange: pull and hold
st eering wheel gearshif tpaddle 2. or #
Engage transmission position 005Bagain
(/ page 105).
The auto matic transmission shifts up one or
mor egear sdepending on theg ear cur rently
engaged .Simultaneously ,the shif trange
re striction is deactivated and thet ransmis‐
sion position appear sinthe multifunction dis‐
play 005B.
Re commended shi ftranges fort he following driv‐
ing conditions:
0049 Use
thee ngine' sbraking ef fect.
0048 Use
thee ngine' sbraking ef fect on downhill
gradients and whe ndriving on steep roads,
in mountainous areas as well as under ardu‐
ous operatin gconditions.
0047 Use
thee ngine' sbraking ef fect on extreme ly
st eep downhill gradients and on long down‐
hill stre tches. Usin
gkickdown #
Form aximum acceleration: depressthe
accelerator pedal be yond thep ressur epoint. Re
fueling Re
fueling thev ehicle &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighly flammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process. 106
Driving and pa rking

Te
rm inal connection diagram #
Remo vethec ove rfromp ositiv eterminal 3
of thed onor batter y. #
Connec tthe positiv eterminal clam pofthe
jumper cable topositiv eterminal 3ofthe
donor batter y,and then topositiv eterminal
5 ofthej ump-s tart connection point. #
Connect then egativ eterminal clam pofthe
jumper cable tonegati ve terminal 2ofthe
donor batter y,and then toground cont act4
of your ow nv ehicle. #
Startt he engine of thed onor vehicle and run
it at idling speed. #
Inser tthe keyintot he ignition loc k,star tt he
engine and le titrunfors eve ralm inutes. #
Befor edisconnecting thej umper cables,
switc honane lectrical consumer in your own
ve hicle, e.g. ther ear windo wheater or the
lighting. #
Disconnect then egativ eterminal clam pof
th ej umper cable from ground contact 4and
th en from negativ eterminal 2ofthed onor
batter y. #
Disconnect thep ositiv eterminal clam pofthe
jumper cable from positiv eterminal 5on
th ej ump-s tart connection point, and then
from positiv eterminal 3ofthed onor bat‐
te ry.
Con tact pr otection co ver1is automatically
re turned forw ards toits original position by
th es pring forc ea nd thej ump-s tart connec‐
tion point is closed. #
Position thec ove ronp ositiveterminal 3of
th ed onor batter y. #
Have theb atter ychec kedataq ualified spe‐
cialis tworks hop. Charging
the12Vb attery
* NO
TEDama getothee lectronics caused
by non-app rove dc harging devices Charging an ins
talled batter ywithab attery
ch arge rw hichh as no tbeen appro vedby
Mercedes-Benzc an damagethe on-board
electronics. #
Onlyuseab atter ycharger whic hhas
been appro vedbyM ercedes-Benza nd
whic hpermits chargin gthe battery
when it is ins talled in thev ehicle. #
Onlycharg ethe batter yusing thej ump-
st ar tc onnectio npoint. Ab
atter ychar gers pecially adapte dfor
Mercedes-Ben zvehicles and tested and appr oved
fo rM ercedes-Benz is available as an accesso ry.
Fu rther information is available from any
Mercedes-Ben zCommercial VanC enter.Re ad the
operating instructions fory our charge rb efore
ch argin gthe batter y.
Re charge theb atter ymoref requ entl yify ou use
th ev ehicle mainl yfor shor ttrips and/or driv eat
lo wo utsid etemperatures. #
Connec tthe batter ychar gertot he positive
te rm inal and ground con tact in thes ame
order as when connectin gthe donor battery
in thej ump-s tarting procedure.
% If
ab atter yisn otins talled and no tinservice,
yo us houl dcharg eite very thre em onths. This
helps tocounteract self-discharging and pre‐
ve nt damag etothe batter y.
12 Vb atter ycare
* NO
TEBatter ydisch arging du etoleakage
cur rent Dirty batter
yclamp sand batter ysurfaces
cause lea kage cur rent. Thi scan lead tothe
batter ydischarging. #
Keep theb atter yterminals and battery
sur faces clea nand dr y. *
NO
TEDama getotheb atter yhousing
due toimproper cleaning If
yo uu se cleanin gagentsc ontainin gfuel,
th ese can damag ethe batter yhousing. #
Do no tuse cleaning agentsc ontaining
fuel. Breakdown assis
tance 19 3

VIN
1is engr avedintot he longitudinal member
in thee ngine compartmen tnexttot he fuse box.
Engine number
The engine number is stamped ont othe crank‐
case. Youc an obtain fur ther information from a
qu alified specialis tworks hop. Operating fluids and capacities
Note
sono perating fluids &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operatin gfluids ma ybepoisonous and harm‐
ful to yo ur health. #
Obse rvet he text on theo riginal contain‐
er sw hen using, storing or disposing of
operating fluids. #
Alwayss tore operating fluids sealed in
th eir original containers. #
Alwaysk eep children away from operat‐
ing fluids. +
ENVIRONMEN
TALN OTE Environmental
pollution du etodisposing of operating
fl uids in anon-en vironmen tallyr esponsi‐
ble manner Incor
rect disposal of ope rating fluids can
caus econsiderable damag etothe environ‐
ment. #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thef ollowing:
R Fuels
R Lubricants
R Coolant
R Brakefluid
R Windshield washer fluid
R Climat econtrol sy stem refrigerants
Only use products whi chhave been appr ovedfor
yo ur vehicle byMercedes-Benz. Damag ecaused
by theu se of products that ha venotb een
appr ovedisn otcoveredbyt he Mercedes-Benz
guarantee or goodwill gestures. Yo
uc an identif yoperatin gfluids appr ovedby
Mercedes-Benzbyt hefollowing insc ript ions on
th ec ontainer:
R MB-F reigabe (e.g. MB- Freigabe 229. 51 )
R MB-Appr oval (e.g. MB-App rova l2 29.51)
Fu rther information on appr ovedoperating fluids
is available at thef ollowing locations:
R IntheMBS pecification sfor operating fluids
at https://be vo.mercedes-benz.com (by
entering thed esignation)
R Ataq ualified specialis tworks hop
Ad ditives (special additives) fora pprove do perat‐
ing fluids ar eneith er requ ired nor permit ted.
Appr ovedfuel additives ar ethe exc eption. Addi‐
tives can cause engin edamag eand mus tthere‐
fo re notb ea dded totheo perating fluids.
The use of additives is alw ayst he responsibility
of thev ehicle operator .The use of additives may
re sult in ther estriction or loss of your wa rranty
claims. &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighl yflammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. Te
ch nica ldata 227