2021 MERCEDES-BENZ METRIS engine

Problems with
thek ey Problem
Possible causes/consequences and 0050 0050Solutions
It is no longer possible to
loc kthe vehicle using the
key. Po
ssible causes:
R The door sarenotc losed proper ly. #
Close thed oor sproperly and loc kthe vehicle again.
The tur nsignal lamps do
no tflash when thev ehi‐
cle is loc ked. Po
ssible causes:
R The central locking sy stem has malfunctioned. #
Lockthe vehicle using thee mer gency key( /pag e43) or press
down thes afet yp insa nd then close thed oors. #
Have thel ocking sy stem checkedataq ualified specialis tworks hop.
It is no longer possible to
loc koru nlockthe vehicle
using thek ey. Po
ssible causes:
R The keyb atte ry iswe ak or dischar ged.
R The keyisf aulty. #
Point thet ip of thek eyatthed rive r's door handle from very close
ra ng ea nd press the0036 or0037 button.
If th is does no twork: #
Replace thek eybat tery ( / pag e43).
or #
Use thee mer gency keytou nlockand loc kthe vehicle (/ page43). #
Have thek eycheckedataq ualified specialis tworks hop.
The engine canno tbe
st ar tedu sing thek ey. Po
ssible causes:
R The on-boar delectrical sy stem voltag eist oo lo w. #
Switc hoffalln on-essential consumers, su chas interior lighting ,and
tr ytos tart thee ngine again.
If th is does no twork: #
Chec kthe star terb atter yand charge it, if necessar y(/ pag e191).
or #
Jump- star tt he vehicle (/ page191).
or #
Consul taqualified specialis tworks hop.
Yo uh ave lostak ey. #
Have thek eydeacti vatedataq ualified specialis tworks hop. #
If necessar y,ha ve them echanical loc ksreplaced.
Yo uh ave lostthe emer‐
ge ncy key. #
Repor tthe loss immediatel ytothevehicle insurers. #
If necessar y,ha ve them echanical loc ksreplaced. 44
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

#
Inser tthe scr ewdriver int othe opening and
mo vether elease le veru ntil thet ailgate
unloc ksand opens. #
Liftthe tailgat eupwards. EAS
Y-PA CK tailgate Note
sont he EAS Y-PA CK tailgate &
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).
Obstruction de tection wit hreve rsing function
The tailgat eise quipped wit hautomatic object
de tection wi threve rsing function .Ifasolid object
bloc ksorrestricts thet ailgat eduring thea uto‐
matic closing process, thet ailgat eopens again
automaticall y.The automatic object de tection
wi th reve rsing function is onl yanaid. It is no ta
substitut efor your attentiveness when closing
th et ailgate. &
WARNING Risk of becoming trapped
despit ereversing function
The reve rsing featur edoes no treact:
R tosoft, light and thin objects, e.g. fingers
R overthe last 00C2in (8 mm) of thec losing
mo vement
The reve rsing featur etherefor ecann otpre‐
ve nt someone being trappe dinthese situa‐
tions. #
Mak esuret hat no body parts ar einthe
closing area.
If someone is trapped: R press the008C button on thek eyor
R press thec losing button on thet ailgat eor
R pull theh andle of thet ailgate Opening and closing
theE ASY-PA CK tailgate
Requ irements:
R The rear wind owis closed.
R The tailgat eisu nlocked.
R Ther eareno persons within thes winging
ra ng eoft hetailgate.
R Ve
hicles with rear windo wwhich can be
opene dsepa rate ly:the 008C button of the
ke ym ustbep rogrammed toopen and close
th et ailgat e(/pag e54).
Opening #
Press but ton1intheh andle and step out of
th es winging rang eoft hetailgate.
or #
Press the008C button of thek eyforl onger
th an 0. 5seconds.
Au tomatic operation is star ted. The tailgate
opens and swings upwards.
In addition ,you will hear tw owarning signals. 52
Opening and closing

Closing
#
Press button 2inthet ailgat eand step out
of thes winging rang eoft hetailgate.
or #
Press the008C button of thek eyforl onger
th an 0. 5seconds.
Au tomatic operation is star teda nd thet ail‐
ga te closes.
During closing, closing button 2flashes and
tw ow arning tones sound.
In te rru pting automatic operation #
Press button 1intheh andle again.
or #
Press closing button 2inthet ailgat eagain.
or #
Press the008C button on thek eyagain for
longer than 0. 5seconds.
Ad justin gthe opening angle of the tail gate
Setting thee nd position
Yo uc an se tthe opening angle of thet ailgat eby
saving thed esired position as thee nd position. #
Open thet ailgat eand stop automatic opera‐
tion in thed esired position.
or #
Open thet ailgat eand manuall yswing it into
th ed esired position. #
Press and hold the008C closing button on
th et ailgat euntil thec onfirmation tone
sounds once.
The cur rent position of thet ailgat ehas been
sa ve dast he end position. Re
setting tothem aximum openin gangle #
Open thet ailgate. #
Press and hold the008C closing button on
th et ailgat euntil thec onfirmation tone
sounds twice.
The sa vede nd position has been dele teda nd
th et ailgat eopens again tothem aximum
ex tent.
Re setting thet ailgate
Yo um ustrese tthe tailgat eift herehas been a
malfunction or an inter ruption in thev oltag esup‐
ply. #
Ifth et ailgat eisopen: close thet ailgat eby
hand. #
Brief lypress theb utton in theh andle of the
ta ilgate, step out of thes winging rang eoft he
ta ilgat eand open thet ailgate. #
When thet ailgat eisfullyo pen, press the
008C closing button in thet ailgat eand step
out of thes winging rang eoft hetailgate.
The tailgat ecloses. When thet ailgat eisf ully
closed, it is rese ta nd operational.
% When the008C button of thek eyis prog ram
fo ro perating thet ailgat e(/pag e54), you
can also use thek eytoopen and close the
tai lgate.
Opening and closing ther ear window &
DANG ER Risk of poisonin gfrome xhau st
ga ses
Combustion engines emit poisonous exhaust
ga ses, suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if ther ear
windo wisopen when thee ngine is running,
especial lyifth ev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening ther ear windo w. #
Neverd rive wit hthe rear wind owopen. Re
quirements:
R The vehicle or cargo compartment is
unloc keda nd thet ailgat eisc losed.
R The 008C button on thek eyis prog rammed to
open ther ear windo w(/pag e54). Opening and closing
53

Opening
#
Press the008C button on thek ey.
or #
Press button 1ontheh andle on ther ear
windo w.
Closing #
Swin gthe rear wind owdown and push it
closed.
Prog rammin gthe keyb utton fort he tail gate
or rear window
Re quirements:
R The tailgat eand ther ear windo wareclosed.
R The ignitio nisswitched on.
If yo ur vehicle is equipped wit hanEASY-PA CK
ta ilgate, youc an prog ramt he008C button on the
ke ye ither toopen/close thet ailgat eortoo pen
th er ear windo w. #
Press theb uttons in theh andle of thet ailgate
and in theh andle of ther ear windo wsimulta‐
neously fora pproxima tely five seconds.
Af ters uccessfully changing thef unction, the
ve hicle tur nsignal lamps flash once. #
Chec kthe function of the008C button on the
key. Re
ar-end doors Opening and closing
ther ear-en ddoor sfrom
outside &
DANG ER Risk of poisonin gfrome xhau st
ga ses
Combustion engines emit poisonous exhaust
ga ses, suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if thet ail‐
gate orther ear-end door is open when the
engine is running ,especial lyifth ev ehicle is
in motion. #
Alwayss witc hoffthee ngine before
opening thet ailgat eortherear-end
door. #
Neverd rive thev ehicle when thet ail‐
ga te or rear-en ddoor is open. &
WARNING Risk of inju rydue tother ear-
end door swinging open
When youo pen arear-end door ,the following
can occur:
R Youora nother person can be injured.
R Aperson ma ybestruckbyo ncomin gtraf‐
fi c.
Thi sisp articularly thec ase if youo pen the
re ar-en ddoor mor ethan 90° or if it opens in
an uncontro lled manner.
Even rear-en ddoor sw hicha reproperly
closed can swin gopen when thev ehicle
par kedisonani nclineoritisw indy. #
Onlyopen arear-end door when the
traf ficc onditions and sur rounding sper‐
mit. #
Alwaysm akes uret hat ther ear-end
door sareproper lyclosed. &
WARNING Risk of accident du etocon‐
cealed lighting sy stems
If yo uo pen ther ear-end door sby90°,the
re ar lighting ins tallation swill be concealed.
Other road user swillthen no tbea bletosee
th ev ehicle, or will see it only wit hdifficulty.
The refore ,int hese or similar situations, safe‐
guar dthe vehicle in accordance wit hnational
re gulations, e.g. wit hawarning triangle. 54
Opening and closing

Problems with
thes ide windo ws Problem
Possible causes/consequences and 0050 0050Solutions
Yo uc anno topen or close
as ide wind owallthew ay. &
WARNING Risk of becoming trapped or fata llyi njured if reve rs‐
ing pr otection is no tactivated
If yo uc lose aside wind owagain immediatel yafter it has been
bloc ked, thes ide windo wwill close wit hincreased or maximum
fo rc e. The reve rsing function is then no tactiv eand body parts may
become trapped. #
Mak esuret hat no parts of theb ody ar einthe closing area. #
Tostop thec losing process, release theb utton or press the
button again toreopen thes ide windo w. If
th er ea reno object sorleavesint he windo wguide pr eventing thew in‐
do wf romc losing, ther em ayhave been amalfunction or an inter ruption
to theo n-boar delectrical sy stem voltage. #
Resetthe side windo ws (/pag e58). Anti-thef
tpreve ntion Fu
nction of thei mmobilizer The immobilize
rpreve nts your vehicle from being
st ar tedw ithout thec orrect key.
The immobilizer is automaticall yactivated when
th ei gnition is switched off, and deactivated when
th ei gnition is switched on.
When leaving thev ehicle, alw ayst aket he key
wit hyou and loc kthe vehicle. If thek eyis left
inside thev ehicle, an yone can star tt he engine. ATA
(Anti-Thef tAlarms ystem) Fu
nction of ATA(Anti- theftA larms ystem)
If th eA TAsystem is armed, avisual and audible
alar mist riggered in thef ollowing situations:
R When opening adoor
R when openin gthe vehicle wit hthe emergency
key
R When opening theh ood
R When opening thet ailgat eorrear-end door
Af terl ocking thev ehicle wit hthe key,theA TA
sy stem is automaticall yarmed. When
theA TAsystem is armed, indicator lamp
1 flashes in theo verhead cont rolp anel.
AT Aisa utomatica llyd eactivated in thef ollowing
situations:
R Afteru nlocking thev ehicle wit hthe key.
R When thek eyis inser tedi ntot he ignition
loc k.
% The alar
misnotdeactivated, evenify ou
immediatel yclose theo pen door that has
triggered it, fore xamp le. Opening and closing
59

#
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

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