2020 MERCEDES-BENZ GLA climate control

i
You
should onlyselect the"Windsh ield
defro sting"func tion untilthe windsh ieldis
clear again.
Switching the"Wind shield defrosting"
funct iononoroff X
Turn theSmar tKey toposit ion0048inthe igni-
tion lock (Ypage 125).
X To activ ate: press the0064 button.
The indic atorlamp inthe 0064 buttonlight s
up.
The climat econ trol syste mswitc hestothe
followin gfunc tions:
R high airflow
R high temperat ure
R air distr ibution tothe windsh ieldand front
side windows
R air-r ecirculatio nmode off
i The
"Windsh ielddefro sting"func tion auto-
matic allysetsthe blower leveltothe opti-
mum defrostingeffe ct.As aresult ,the air-
flow may increase ordecr ease automat ically
afte rthe 0064 buttonispress ed.
i You
canadjust theblower levelmanually
while the"Windsh ielddefro sting"func tion is
in operat ion:
R Air -condit ioningsyste m:turn airflow con-
tr ol 0083 coun ter-clock wise orcloc kwise
(Y page 114).
R Dual- zoneautomat icclimat econ trol:
press the00F2 or00F3 button.
X To deact ivate:press the0064 button.
The indic atorlamp inthe 0064 buttongoes
out. Theprevio uslyselect edsettings are
rest ored. Air-recir culatio nmode remain s
deact ivated.
or X Dual- zoneclimat econ trol: press the0058
butt on.
The indic atorlamp inthe 0064 buttongoes
out. Airflow andairdistr ibution aresetto
automat icmode.
or X Air -condit ioningsyste m:turn temperat ure
con trol 0043 coun ter-clock wise orcloc kwise
(Y page 114).
Dual- zoneautomat icclimat econ trol: turn
tem perat urecontrol 0043 or006D coun ter-clock -
wise orcloc kwise (Ypage 116). MAX
COOL maximu mcooling
The MAX COOL function isonly available in
vehic lesforthe USA .
MAX COOL isonly operat ionalwhen the
engin eis runn ing.
X To activ ate: press the00C9 button.
The indic atorlamp inthe butt onlight sup.
X To deact ivate:press the00C9 button.
The indic atorlamp goesout.Theprevio usly
selec tedsettings are rest ored.
When youactivate MAXCOOL, climatecon trol
switc hestothe followin gfunc tions:
R maxim umcoolin g
R maxim umairflow
R air-r ecirculatio nmode on Rem
oving condensa tionfrom the
windows
Wind owsfogged upontheinside Air-
condit ioning system
X Ac tivate the 005A "Cooling withairdehu-
midific ation"func tion.
X Ifthe windows continue tofog up,activate
the 0064 "Windsh ielddefro sting"func tion.
i You
should onlyselec tthis settingunt ilthe
windsh ieldisclear again.
Dual- zone automa ticclima tecontr ol
X Ac tivate the 005A "Cooling withairdehu-
midific ation"func tion.
X Ac tivate automat icmode 0058.
X Ifthe windows continue tofog up,activate
the 0064 "Windsh ielddefro sting"func tion.
i You
should onlyselec tthis settingunt ilthe
windsh ieldisclear again.
Wind owsfogged upontheout side X
Ac tivate the windsh ieldwipers.
X Set theairdistr ibution to009C or009B.
i You
should onlyselec tthis settingunt ilthe
windsh ieldisclear again. Oper
ating theclimat econtr olsyst ems
121Climat econtr ol

Rear
windo wdefro ster
Gen eral notes The
rearwi ndow defroste rha sa hig hcurr ent
dra w.Yousho uld there foreswitch itoff as
soo nas the rearwi ndow iscle ar. Othe rwise,
the rearwi ndow defroste rswi tches offauto-
mati callyafte rsev eralminu tes.
If the battery voltag eis too low, the rearwi n-
dow defroste rmay switch off. Ac
tivati ng/de acti vatin g X
Tu rn the Smar tKeytopos ition 0048 inthe igni-
tion lock (Ypage 125 ).
X Pre ssthe 006C button.
The indicator lamp inthe 006C button lights
up orgoe sou t.
Prob lems with the rear windo wdefro ster Prob
lem Po
ssi blecau ses/ conse quen cesand 0050 0050
So luti ons The
rearwi ndow
def roste rha sdea ctiva -
ted prematu relyor can-
not beacti vate d. The
battery hasnot beensu ffici ently charged.
X Swi tch offany consu mersthatarenot required ,e.g. reading
la mps ,inter iorlighti ngorthe seathea ting.
Whe nthe battery issu ffici ently charged,the rearwi ndow
def roste rcan beacti vate dag ain. Sw
itchin gair-re circul ationmode
on /o ff
Gen eral notes Yo
ucan deactiva tethe flowof fres hairif
unp leas ant odorsare enter ingthe vehiclefrom
ou tsid e.The airal rea dyinsi dethe vehiclewi ll
then bereci rcul ated.
If yo uswi tch onair-reci rculation mod e,the
wi ndow scan fogupmore quickl y,in pa rticu lar
at low temp erature s.Only useair-reci rculation
mod ebri eflyto pre vent thewindow sfrom fog-
gi ng up.
The operationofair-reci rculation mod eis the
sa me forallcontrol panel s.
Ac tivati ng/de acti vatin g X
Tu rn the Smar tKeytopos ition 0048 inthe igni-
tion lock (Ypage 125).
X To acti vate :pre ssthe 008A button.
The indicator lamp inthe 008A button lights
up .
Dua l-zoneautomati ccl imate control :ai r-
reci rcul ation mod eis acti vate dau toma tically:
R at hig hou tsid etemp erature s
R at hig hlevel sof pol lution Whe
nair-reci rculation mod eis acti vate dau to-
mati cally,the indicator lamp inthe 008A but-
ton isnot lit. Ou tsid eairis ad ded afterab ou t
30 minu tes.
X To deac tivate:pressthe 008A button.
The indicator lamp inthe 008A button goes
ou t.
i Air-re circulation modedea ctiva tesauto-
mati cally:
R afte rap pro xima telyfiveminu tesatout-
sid etemp erature sbel ow appro xima tely
45 ‡(7 †)
R afte rap pro xima telyfiveminu tesifthe
"C ool ing with airdeh umidifica tion" func-
tion isdea ctiva ted
R afte rap pro xima tely30minu tesatoutsid e
temp erature sab ove appro xima tely45‡
(7 †) ifthe "Cool ing with deh umidifica -
tion" functi onisacti vate d Sw
itchin gthe residual heatonoroff
Gen eral notes The
residua lhea tfuncti onisonly availab lein
veh icles for Canad awi th dual-zone automa tic
cli mate control . 12
2 Ope
rating theclimate control systemsClimate control

It
is possib leto make useofthe residu alheat
of the engine tocontinue heatingthevehicle
for appro ximately 30minutes aftertheengine
has been switched off.The heating time
depends onthe setinterior temperature .
i The
blow erwil lrun atalow speed regard-
less ofthe airflowsetting.
i If
you activate theresidu alheat function at
high temperature s,only theventilation will
be activated. Theblow erruns atmediu m
speed .
i You
cannot usetheventilation tocool the
vehicle interior toatemperature lowerthan
the outsid etemperature .
Ac tivating/de activating X
Turn theSmartKey topositio n005A inthe igni-
tion lock orremove it(Y page 125).
X Press the004B button.
The indicator lampinthe 004B button lights
up orgoes out.
The indicator lampinthe button indicates
that therespective functionisactivated.
i Resi dualheat isdeactiva tedautoma tically:
R after appro ximately 30minutes
R when theignition isswitched on
R ifthe battery voltage drops Air
vents Important
safetynotes G
WARNING
Very hotorvery cold aircan flow from the
air vents. Thiscould resultin burns orfrost-
bite inthe immedi atevicinity ofthe air
vents. Thereisarisk ofinjury.
Make surethatallvehicle occupants always
maintain asufficie ntdistance tothe airout-
lets. Ifnecessary ,redirect theairflowto
another areaofthe vehicle interior. In
order toensure thedirect flowoffresh air
through theairvents intothevehicle interior,
plea seobserve thefollow ingnotes:
R keep theairinlet betwee nthe windshi eld
and thehood freeofblockage s,such asice,
snow orlea ves.
R never covertheairvents orair intake grilles
in the vehicle interior.
i For
optimal climatecontrolinthe vehicle ,
open theairvents completely andsetthe
adjusters tothe central position. Setting
theairvents 0043
Side window defroster vent
0044 Side airvent
0049 Side airvent open
004A Side airvent closed
X To open aside airvent: turntheadjuster
in side airvent 0044tothe left inpositio n0049.
X To clo seaside airvent: turntheadjuster
in side airvent 0044clockwise asfar asitwil l
go topositio n004A.
i The
center andrear airvents areadjusted
in the same way. Ai
rvents
123Climate control Z

Inhaling
theseexhaustgases ishazardo usto
heal thand canresul tin poiso ning. There isa
risk offatal injury. Therefore, neverleavethe
engine running anenclosed spacewithou t
adeq uate ventilation. G
WARNING
Flamma blemateria lsintroduced through
environmental influenceorby animal scan
ignite ifin contact withtheexhau stsystem
or parts ofthe engine thatheat up.There is
a risk offire.
Carry outregul archecks tomake surethat
there arenoflamma bleforeign materia lsin
the engine compartment orinthe exhau st
system.
Gene ralnotes The
engine runsatahigher speedduringthe
cold start procedu reso that thecataly ticcon-
verter canreach operatingtemperature more
qui ckly. Thesound ofthe engine maychange
duri ngthis time.
Automatic transmission X
Shift thetransmission topositio n005D
(Y page 134).
The transmission positionindicator onthe
multifu nctiondisplayshows 005D
(Y page 134).
i You
canstart theengine intransmission
positio ns005D and 005C.
Start ingprocedure withtheSmart Key To
start theengine usingtheSmartKey instead
of the Start/St opbutton, pullthe Start/St op
button outofthe ignition lock.
X Turn theSmartKey topositio n0049 inthe igni-
tion lock (Ypage 125)andrelea seitas
soon asthe engine isrunning.
Start ingprocedure withtheStart /
Stop button The
Start/St opbutton canbeused tostart the
vehicle manuallywithou tinserting theSmart-
Key into theignition lock.TheStart/St opbut- ton
must beinserted inthe ignition lockand
the SmartKey mustbeinthe vehicle .This
mode forstarting theengine operatesinde-
pendently ofthe ECO start/stop automatic
engine startfunction.
You canstart theengine ifavali dSmartKey is
in the vehicle .Switch offthe engine and
alw ays take theSmartKey withyouwhen leav-
ing the vehicle ,even ifyou only leaveitfor a
short time.Payattention tothe important
safety notes.
X Depress thebrake pedaland keep it
depres sed.
X Press theStart/St opbutton once
(Y page 125).
The engine starts.
Start ingprocedure viasmart phone Observe
theimportant safetynotesonstarting
the engine (Ypage 126).
You canalso start yourengine viayou rsmart-
phone fromoutsid ethe vehicle .In this case,
the previou slyselected climatecontrolsetting
is activated. Inthis way youcan cool orheat
the interior ofthe vehicle beforestarting the
journey.
Only start theengine viayou rsmartphone ifit
is safe tostart andruntheengine whereyour
vehicle isparked.
Observe thelega lstipul ations inthe area
where yourvehicle isparked. Enginestartvia
smartphone maybelimi ted tocertain coun-
tries orregions.
You canexecute amaximum oftwo consecu-
tive starting attempts viayou rsmartphone. If
you insert theSmartKey intotheignition lock,
you can carry outtwo more starting attempts.
Once youhave started theengine, youcan
switch theengine offvia you rsmartphone at
any time.
You canonly start theengine viayou rsmart-
phone if:
R the SmartKey isin the ignition lock
R park positio n005D isselected
R the accelera torpeda lis not depres sed
R the alarm for the anti-theft alarm system is
not set
R the panic alarm isnot activated
R the hazard warning lampsare switched off
R the hood isclosed Drivi
ng
127Drivi ngand parking Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine isnot run-
ning smoothly andis
misfiring. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic con-
verter anddamage it.
X Have thecause rectified immediately ataqual ified specialist
workshop. The
coolant tempera-
ture gauge shows a
value above 248‡
(120 †).The warning
lamp mayalsobeon
and awarning tonemay
sound. The
coolant levelistoo low. Thecoolant istoo hotand theengine is
no longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 277). Observe thewarning notes
as you dosoand add coolant ifnecessary. Notes
ontowing vehicles
The vehicle isnot suitable forattaching tow
bar systems, suchasthose usedforflat tow-
ing ordinghy towing.
Att aching orusing towbarsystems mayresult
in damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehi-
cle.
The vehicle/trailer combinationmayswerve.
Observe thepermissible towingmethods
(Y page 301)andthenotes ontowing with
both axles onthe ground (Ypage 301). DYNAMIC
SELECTbutt on(all vehi-
cles except Mercedes-AMG vehicles)
Use theDYNAMIC SELECTbutton tochange
the drive program. Depending onthe drive pro-
gram selected thefollowing vehiclecharacter-
istics willchange:
R the drive (engine andtransmission manage-
ment)
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunc-
tion
R the climate control Each
timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram C
is activated. Forfurther information about
startin gthe engine, see(Ypage 126). X
Press DYNAMIC SELECTbutton 0043asmany
times asnecessary untilthedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunct iondisplay .Aft erfive seconds, the
display goesoutand thestatus symbol of
the selected driveprogram appears.
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
i In
afew countr ies,theECO start/ stop
funct ionisdeactivated atthe factory dueto
the availa blefuel grade. Inthis case, the
ECO start/ stopfunct ionisnot availa blein
any drive program, regardless ofthe display
in the multimedia systemdisplay. 132
DY
NAMIC SELECTbutt on(all vehicl esexce ptMercedes-AMG vehicles)Driving andparking

data
isdifferen tfor every vehicle andcan
deviate fromthedata shown here.Youcan
find thedata applicable toyour vehicle on
the vehicle identification plate. Vehicle
identification number(VIN) X
Slide theright -handfron tseat toits rear-
most position .
X Fold floor cover ing0043upwards.
You willsee VIN 0044.
The VINcanalso befound onthe vehicle iden-
tific ation plate(Ypage 334).
The VINcanalso befound atthe lower edgeof
the windshield (Ypage 335). Engine
number 0043
Emiss ioncontrol infor mation plate,includ-
ing the cert ification ofboth federal and
Californian emissionsstan dards
0044 VIN (onthe lower edgeofthe windshield)
0087 Engine number (stamped intothe cran k-
case) Service
product sand filling capaci-
ties Impor
tantsafet ynotes G
WARN
ING
Serv iceproduct smay bepoisonous andhaz-
ardous tohealth. Thereisarisk ofinjury.
Comply withinstruct ions onthe use, storage
and disposal ofservic eproduct son the
labels ofthe respect iveoriginal container s.
Always storeservic eproduct ssealed intheir
original container s.Always keepservic e
product sout ofthe reach ofchildren . H
Environm
entalnote
Dispose ofservic eproduct sin an envir on-
ment allyrespon siblemann er.
Serv iceproduct sinclude thefollowing:
R Fuels
R Lubrican ts(e.g. engin eoil, tran smission oil)
R Coolant
R Brak efluid
R Windshield washerfluid
R Climate control system refrigerant
Componen tsand servic eproduct smust
matc h.Only useproduct srecom mended by
Mercedes -Benz.Damage whichiscaused by
the use ofproduct swhich havenotbeen rec-
ommen dedisnot cover edbythe Mercedes -
Ben zwarrant yor goodwill gestures.Product s
approved byMercedes -Benzare listed inthis
Operator 'sManual inthe appropriate section.
Inf ormat ionontest edand approved products
can beobtained ataMercedes -BenzServ ice
Center oron the Internet at
htt p:// bevo.m ercedes- benz.com.
You canrecogniz eserv iceproduc tsapprove d
by Merc edes- Benzby the followin ginsc ription
on the contain ers:
R MB- Freigabe (e.g.MB-Freigabe 229.51)
R MB- Appr oval(e.g. MB-Appr oval229.51)
Oth erdesign ationsor rec omme ndations indi-
cat ealevel ofquality oraspecif ication in
acco rdanc ewith anMB Shee tNumber (e.g.
MB 229 .5).They have notnecessarily been
approve dby Merc edes- Benz. Serv
iceproduct sand filling capacities
335Technical data Z