2021 MERCEDES-BENZ METRIS cooling

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

Re
ar dual-zone automatic climat econtrol #
Switc hont he dual-zone automatic climate
contro l. #
Toswitc hon:press the004E button on the
air conditioning operatin gunit.
The indicator lam ponthe004E button will
light up when ther ear climat econtrol is
swit ched on. The settings fort emperature,
air flow and, if arear compartment air condi‐
tionin gsystemisi nstalled, air distribution will
be adop tedf or ther ear compartment climate
control.
3-zone automatic clima tecontrol ,rear com‐
partment #
Switc hont he 3-zone automatic climat econ‐
trol.
To switc hon: #
Press the004E button on thea utomatic cli‐
mat econt rolo peratin gunit.
The indicator lam ponthe004E button will
fl ash. The operatin gunit displa ywill sho wthe
second menu le velfor thet emperatur eand
air flow setting of ther ear air conditioning sys‐
te m. #
Press the0097 button and se tablowe rset‐
ting fort he rear climat econtrol.
The blo wersettings willbes hown onthed is‐
pla yasab ar graph. The rear air conditioning
sy stem will be switched on. #
If necessar y,se tthe temp eratur efor ther ear
climat econtrol usin gthe temp eratur econ‐
trol.
The displa ywill sho wthe selected rear com‐
partment temp erature.
If yo udon otsetan ew va lue within appr ox‐
imatel yten seconds, theo perating unit display
will retur ntot hefirs tm enu le velfor thea uto‐
matic climat econt rols ettings .The indicator lamp
on the 004E button will light up continuousl y.
% The air distribution settinga
pplies bothtothe
automatic climat econtrol and tother ear air
conditioning sy stem and cann otbe se tsepa‐
ra tely fort he two. #
Toswitc hoff:press the004E button on the
automatic climat econtrol operatin gunit.
The indicator lam ponthe004E button will
fl ash. The operatin gunit displa ywill sho wthe
second menu le velfor thet emperatur eand
air flow setting of ther ear air conditioning sys‐
te m. #
Press the0095 button and then press it again
once thel owest blowersetting has been
re ached.
The operatin gunit displa ywill go of fand the
re ar air conditioning sy stem will be switched
off.
If yo udon otsetan ew va lue within appr ox‐
imatel yten seconds, theo perating unit display
will retur ntot hefirs tm enu le velfor thea uto‐
matic climat econt rols ettings .The indicator lamp
on the 004E button will go out.
% When
thev ehicle is star ted, thec limat econ‐
trol settings mos trecently selected will be
adop teda utomaticall y. Switching
theA /C function on/off Re
quirements
R The climat econtrol sy stem has been
switched on (/ page91).
R The engine is running.
Whe nthe "Cooling wit hair dehumidification"
function is switched on, thea ir inside thev ehicle
is cooled and dehumidified according tothet em‐
peratur eselected.
Fo r3 -zone automatic clima tecontrol, thef unc‐
tion fora utomatic clima tecontrol settings can be
acti vatedord eactivated onl yonthefirs tm enu
le ve l. If youdon otsetan ew va luefort he rear
compartment climat econtrol on thes econd
menu le velw ithin appr oximatel yten seconds, the
control panel displa ywillgob acktot hefirst
menu le vel. #
Press the005A button.
The indicator lam ponthe005A button will
light up when thef unction is switched on.
% Switc
hofftheA /C function onl ybrief ly.O th‐
erwise, thew indo wscould fogupm ore
qu ickl y.
% Condensation ma
yleak from theu nderside of
th ev ehicle in cooling mode. This is no tasign
of am alfunction. Au
tomaticall yregulating climat econtrol Re
quirements:
R The climat econtrol sy stem has been
switched on (/ page91).
3-zone automati cclimat econtrol
When 3-zone automatic climat econtrol is in auto‐
matic mode ,the se ttemperatur ewill automati‐ 92
Climat econt rol

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

#
Mak esuret hat all vehicle occupants
alw aysm aintain asufficient dis tance
from thea irve nts. #
If necessa ry,d irect thea irflow to
ano ther area of thev ehicle interior. Ad
justin gthe center air vents #
Toopen/close: turnc ontroller 1or2 to
th er ight or lef tasfar as it will go.
Ad justin gthe air flowd irection: #
Hold thec enter air vent by controller 1or
2 and mo veit up or down. #
Usin gadjustment wheel 3or4,m ovethe
center ai rvent tothel eftorr ight.
Ad justin gthe side air vents: #
Toopen/close: turnc ontroller 2clockwise
or coun ter-clockwise as farasitw illg o. #
Toadjus tthe airflo wdirection: hold side air
ve nt 1 bycontroller 2and mo veit up or
down or tothel eftorr ight. Opening/closing
ther ear air vents: 1
Adjustment whee lfor verticall yadjustin gand
re gulating air flow
2 Adjustment whee lfor horizontally adjusting
air flow
The rear air vents can be adjus tedo nlyonv ehi‐
cles wit harear air conditioning sy stem.
Ve hicles wit harear air conditioning sy stem: in
heating mode, thea ir in ther ear passenger com‐
partment is automaticall ydistributed in thef oot‐
we lls and roof area once thec oolant has reached
th er equired temp erature. In cooling mode, the
air is distributed in thef ootwells and roof area of
th eh otvehicle in thei nitial phase, and subse‐
qu ently onlyint heroof area. #
Toopen: turna djustment wheel 1ofthe
re ar air vent tothec enter position. #
Toclose: turna djustment wheel 1tothe
upper or lo werend position. 96
Climat econtrol

Only
checkt he coolant le vela nd/or fill th ec ool‐
ant if thev ehicle is stationar y,on aleve lsurface
and thee ngine has cooled down. The coolant
te mp eratur emustbeb elow1 22°F (50°C). &
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. #
Coolant con tains glyc ol and is therefor epoi‐
sonous. Obser vethei nformation under
"Operating fluids and capacities"
(/ page230).
* NO
TEPaint wo rkdamag eduetocoolant If coolant
getsonp ainted sur faces, thep aint‐
wo rkcan be damaged. #
Addc oolant carefully. #
Remo vespilledc oolant. Re
gular lych eckt he engine cooling sy stem and
th eh eating sy stem forl ea ks.Ift hereisal oss of
coolant ,have thec ause de term ined and rectified
in aq ualified specialis tworks hop without dela y. Example: cap and coolant
expansion reser voir
Checking thec oolant le vel #
Slowly tur ncap 1 of coolant expansion res‐
er vo ir2 half aturnc oun ter-clockwise and
allo woverpressur etoe scape. #
Turn cap 1further and remo veit. The coolan
tleve lisc orrect in thef ollowing cases:
R Uptomar kerb ar3 when thee ngine is cold
R Ifth ee ngine is warm,upto0 .6 in (1.5 cm)
ove rmarke rb ar3
Ad ding coolant
Only use coolant appr ovedfor Mercedes-Benz to
av oid damaging thee ngine cooling sy stem. #
Refe rtot he information on coolant
(/ page230). #
Refill th ec oolant up tomar kerb ar3 inthe
fi ller openin gofcoolantexpansio nreser voir
2. #
Replace cap 1and tighten in aclockwise
direction. #
Startt he engine. #
Setthe temp eratur einthevehicle interior to
th em aximum output on thec ont rolp anel of
th ec limat econt rol. #
Aftera pproxima tely five minutes, switc hoff
th ee ngine again and allo wittocool down. #
Che ckthec oolant le vela ga in and add coolant
if necessar y. Re
filling thew indshield washer sy stem &
WARNING Risk offire and injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. #
Avoid fire ,o pen flames ,smokin gand
th ec reation of spar kswhen using wind‐
shield washer concentrate. &
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 getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluids that
ar ea lso suitable foru se on plast ic sur‐ Maintenance and care
181

#
Have theb rake fluid rene we datt he
specified inter vals. *
NO
TEDama getopaint, plastic or rubber
by brak efluid Ther
eisar isk of damag etoproperty if brake
fl uid comes int ocontact wi thpaint, plastic or
ru bber. #
If paint, plastic or rubber comes into
con tact wi thbrak efluid, rinse wi th
wate rimmediatel y. Obser
vethen otes on paintwork/matt efinish
paintwor kcare( /pag e184).
Ha ve theb rake fluid rene we de very twoy ear sat
aq ualified specialis tworks hop.
Only use brak efluid appr ovedbyM ercedes-Benz
in accordance wit hMB-Freigabe or MB-Appr oval
33 1.0.
Informatio nonbrake fluid is available at thef ol‐
lowing locations:
R IntheMBS pecification sfor operating fluids
33 1.0
- Athttps://be vo.mercedes-benz.com
- IntheB eVoa pp
R Ataq ualified specialis tworks hop Coolant
Note
sonc oolant
Obser vethen otes on operating fluids
(/ page227). &
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. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only ad dcoolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction. Information on coolant is
available at thef ollow‐
ing locations:
R IntheMBS pecification sfor operating fluids
320.1
- Athttps://be vo.mercedes-benz.com
- IntheB eVoa pp
R Ataq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures If an inappropriat
ecoolant is used, thee ngine
cooling sy stem is no tsufficiently pr otected
agains toverheating and cor rosion at high out‐
side temp eratures. #
Alwaysu se coolant appr ovedby
Mercedes-Benz. #
Obser vethei nstruction sinthe MB
Specifications foro perating fluids320 .1 . *
NO
TEPaint wo rkdamag eduetocoolant #
Do no tspill coolant on painted sur fa‐
ces. Ha
ve thec oolant regularly replaced at aqualified
specialis tworks hop.
No tethep roportion of anti-cor rosion agent/anti‐
freeze in thee ngine cooling sy stem within thef ol‐
lowing temp eratur eranges:
R Atleas t50% (antifreeze pr otection up to
about -35°F (-37°C))
R Maximum 55 %(antifreez eprotection up to
-49°F (-45°C))
Coolant capacities
Coolant capacity Mode
lC apacity
All model sA pprox.11USqt
(10.4 l) 230
Tech nica ldata