2019 MERCEDES-BENZ CLA COUPE ignition

X
Press retainin gclips 0043atthe same timein
the direction ofthe arrows.
X Carefully removethebulb holder together
with theconn ected plugandthebulbs. Bulb
holder
0044 Brake lamp
0087 Brake lamp
0085 Rear foglamp
0083 Back uplamp
0084 Turn signals
X Bra kelamp andbackup lamp:remove the
correspon dingbulb from thebulb holder.
X Insert thenew bulb intothebulb holder.
X Rear foglamp andturnsignal: pressthe
bulb gentlyinto thebulb holder, turnitcoun-
ter- clock wiseandremove itfrom thebulb
holder.
X Insert thenew bulb intothebulb holder and
turn itclock wise.
X Reinsert thebulb holder andengage on
retainin gclips 0043.
X Close theside trimpanel (Ypage 107). Windshield
wipers Switching
thewindshield wipers
on/off
! Do
not operate thewindshield wiperswhen
the windshield isdry, asthis could damage
the wiper blades. Moreover, dustthathascol-
lected onthe windshield canscrat chthe glass
if wiping takesplacewhenthewindshield is
dry.
If it is necess arytoswitch onthe windshield
wipers indry weather conditions,alway suse
washer fluidwhen operating thewindshield
wipers. !
If
the windshield wipersleavesmears onthe
windshield afterthevehicle hasbeen washed
in an automatic carwash, waxorother resi-
dues maybethe reason forthis. Clean the
windshield usingwasher fluidafter washing
the vehicle inan automatic carwash. Combination
switch
0047 003F Windshield wiperoff
0048 0062 Intermitt entwipe, low(rain sensor set
to low sensit ivity)
0049 0063 Intermitt entwipe, high(rain sensor
set tohigh sensit ivity)
004A 00AA Contin uouswipe, slow
004B 00A9 Contin uouswipe, fast
0084 00D3 Single wipe/00D4 Wipesthewind-
shield usingwasher fluid
X Switc hon the ignition .
X Turn thecombinat ionswitch tothe corre-
sponding position.
! Vehicles
witharain sensor: ifthe windshield
becomes dirtyindry weather conditions,the
windshield wipersmaybeactivat edinadver-
tent ly.This could thendamage thewindshield
wiper blades orscrat chthe windshield.
For this reason, youshould alwaysswitch off
the windshield wipersindry weather.
Vehicles witharain sensor: inthe 0062 or0063
position, theappropriate wipingfrequency is
automatically setaccordin gto the inten sityof
the rain. Inthe 0063 position, therain sensor is
more sensit ivethan inthe 0062 position, caus-
ing the windshield wipertowipe more fre-
quently.
If the wiper blades areworn, thewindshield will
no longer bewiped properly. Thiscould prevent
you from observing thetraff iccondit ions. 108
Windshield
wipersLightsandwindshield wipers

Overview
ofclimat econtrol systems General
notes
Observe thesettings recom mended onthe fol-
lowing pages. Thewindows couldotherwisefog
up.
To preven tthe windows fromfogging up:
R switch offclimate control only briefly
R switch onair-rec irculation modeonlybriefly
R switch onthe cooling withairdehumidifica-
tion function
R switch onthe defrost windshield function
briefly, ifrequired
The air-con ditionin gsystem ordual-zon eauto-
matic climate control regulates thetemper ature
and thehumidity ofthe vehicle interiorand fil-
ters undesirable substancesfrom theair.
The air-con ditionin gsystem ordual-zon eauto-
matic climate control can only beoperated
when theengin eis runn ing.Optimum operation
is only achieved withtheside windows andpan-
orama roofwith power tilt/sliding panelclosed.
If you start theengine usingyoursmart phone,
the last select edclimate control settingisreac-
tivat ed(Ypage 83).
The residual heatfunctioncanonly beactivat ed
or deactivat edwith theignition switched off
(Y page 120). Always
keepthevent ilation flapsbehind the
side trimpanel inthe cargo compart mentclear
(Y page 107). Otherwisethevehicle willnotbe
vent ilated correctly.
i Vent
ilate thevehicle forabrief period during
warm weather, e.g.using theconvenien ce
opening feature(Ypage 83).This willspeed
up the cooling process andthedesired inte-
rior temper aturewillbereached more
quickly.
i The
integ rated filterfilters outmost parti-
cles ofdust andsoot andcomplet elyfilters
out pollen. Italso reduces gaseous pollutant s
and odors. Aclogged filterreduces the
amount ofair supplied tothe vehicle interior.
For this reason, youshould alwaysobserve
the inter valforreplacing thefilter, which is
specified inthe Mainten anceBooklet.Asit
depends onenviro nmentalcon ditions ,e.g.
heavy airpollution, theinter valmay be
short erthan statedinthe Mainten anceBook-
let.
i It
is possible thatunder certaincirc umstan -
ces theresidual heatfunction may beactiva-
ted automatic allyanhour after theSmart Key
has been removed inorder todry the auto-
matic climate control. Thevehicle isthen ven-
tilated for30minut es. Overview
ofclimat econtrol systems
111Climat econtrol

Problems
withthe"Cool ingwith airdehum idification" function Problem
Possible
causes/co nsequences and0050 0050
Solutions The
indicator lampinthe
005A button flashes
three times orremains
off. The "Cooli ngwith air
<00470048004B00580050004C0047004C0049004C004600440057004C00520051
0005[ func-
tion cannot beswitched
on. Cooling
withairdehumidification hasbeen deactivated duetoamal-
funct ion.
X Visit aquali fiedspecialist workshop. Setting
climate controltoautom atic
General notes The
automatic climatecontrolfunct ionisonly
availa bleinconj unction withdual-zone auto-
matic climate control.
In automatic mode,thesettemperature ismain-
tained automatically ataconst antlevel. The
system automatically regulatesthetemperature
of the dispensed air,the airflow andtheairdis-
tribution.
The "Cooli ngwith air<00470048004B00580050004C0047004C0049004C004600440057004C00520051
0005[ function
is activated automatically inautomatic mode.
Setting climate controltoautom atic X
Turn theSmartK eytoposition 0044inthe igni-
tion lock (Ypage 123).
X Set thedesired temperature.
X To activate: pressthe0058 button.
The indicator lampinthe 0058 button lights
up. Automatic airdistribution andairflow are
activated.
X To switch tomanua lmode: pressthe004F
or 004A button.
or X Press the0097 or0095 button.
The indicator lampinthe 0058 button goes
out. Automatic airdistribution andairflow are
deactivated. Setting
thetemp eratu re
Air-conditioning system You
cansetthe temperature forthe entire vehi-
cle. The settemperature isautomatically main-
tained ataconst antlevel.
X Turn theSmartK eytoposition 2in the ignition
lock (Ypage 123).
X To increase orreduce: turncontrol0043 coun-
ter- clockwise orclockwise (Ypage 112). Only
change thetemperature settingin small
incremen ts.Start at72 ‡(22 †).
Dual-zone automaticclimate control Differen
ttemperatures canbeset forthe driv-
er's andfront -passenger sides.Thesettemper-
ature isautomatically maintainedataconst ant
level.
X Turn theSmartK eytoposition 2in the ignition
lock (Ypage 123).
X To increase ordecrease: turncontrol0043 or
006D counter -clockwiseorclockwise
(Y page 114). Onlychange thetemperature
settin gin small incremen ts.Start at72 ‡
(22 †). Setting
theairdistr ibution
Air-conditioning system Air
distr ibution settings
0061 Directsair through thedefroster vents
009C Directsair through thecent erand side air
vent s
009B Directsair through thefootwell airvent s Operat
ingthe climate controlsystems
117Climat econ trol

i
If
you activate theresidu alheat function at
high temperature s,only theventilation willbe
activated. Theblow erruns atmediu mspeed .
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 123).
X Press the004B button.
The indicator lampinthe 004B button lights
up orgoes out.
The indicator lampinthe button indicates that
the respective 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 theair
vents. Thiscould resultin burns orfrostbite in
the immedi atevicinity ofthe airvents. There
is arisk 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 between thewindshi eldand
the hood freeofblockage s,such asice, snow
or lea ves.
R never covertheairvents orair intake grillesin
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
X To open aside airvent: turntheadjuster in
side airvent 0044tothe left.
X To clo seaside airvent: turntheadjuster in
side airvent 0044clockwise asfar asitwil lgo.
i The
center andrear airvents areadjusted in
the same way. Ai
rvents
121Climate control Z

!
Do
not warm upthe engine whilestationary.
Pull awayimmediately .Avoid highengine
speeds andfullthrott leuntil theengine has
reached itsoperating temperature.
In vehicles withautomatic transmission,
engage positions Pand Ronly when thevehi-
cle isstationary.
Where possible ,avoid spinning thedrive
wheels whenpulling awa yon slippe ryroads.
You could otherwise damagethedrive train.
! Mercedes-AMG
vehicles:avoid full-loa d
operation andengine speeds greater than
5000 rpmwhen theengine iscold. Thishelps
to protect theengine andavoids uncomfort-
able driving. Key
positions
Smar tKey 005A
Toremove theSmartKey
(shift thetransmission toposition 005D)
0047 Power supplyfor some consumers, suchas
the windshiel dwipers
0048 Ignition (powersupplyfor allconsumers)
and drive position
0049 Tostart theengine
i The
SmartKey canbeturned inthe ignition
lock even ifit is not thecorrect SmartKey for
the vehicle. Theignition isnot switched on.
The engine cannot bestarted.
Star t/Stop button General
notes
Vehicles withKEYLES S-GOareequip pedwith
SmartKeys featuringtheintegrated KEYLESS-
GO function andadetachable Start/Stopbut-
ton. A
check whichperiodica llyestablishes aradio
connec tionbetween thevehicle andtheSmart-
Key determines whetheravalid SmartKey isin
the vehicle. Thisoccurs, forexample, when
starting theengine.
When youinsert theStart/ Stopbutton intothe
ignition lock,thesystem needsapproximately
two seconds recognition time.Youcanthen use
the Start/ Stopbutton.
Pressing theStart/ Stopbutton several timesin
succession corresponds tothe different Smart-
Key positions inthe ignition lock.Thisisonly the
case ifyou arenot depressing thebrake pedal.
If you depress thebrake pedalandpress the
Start/ Stopbutton, theengine startsimmedi-
ately.
To start thevehicle without actively usingthe
SmartKey:
R the Start/ Stopbutton mustbeinserted inthe
ignition lock
R the SmartKey mustbeinthe vehicle
R the vehicle mustnotbelocked withthe
SmartKey orKEYLES S-GO(Ypage 71)
Do not keep theKEYLES S-GOkey:
R with electronic devices,e.g.amobile phone
or another SmartKey.
R with metallic objects, e.g.coins ormetal foil.
R inside metallic objects, e.g.ametal case.
This canaffect thefunctionality ofKEYLES S-GO.
If you lock thevehicle withtheSmartKey remote
cont rolorwith KEYLES S-GO,afterashort time:
R you willnotbeable toswitch onthe ignition
with theStart/ Stopbutton.
R you willnolonger beable tostart theengine
with theStart/ Stopbutton untilthevehicle is
unlocked again.
If you lock thevehicle centrallyusing thebutton
on the front door(Ypage 76),youcan cont inue
to start theengine withtheStart/ Stopbutton.
The engine canbeswitched offwhile thevehicle
is in motion bypressing andholding theStart/
Stop button forthree seconds. Thisfunction
operates independently ofthe ECO start/st op
automatic engineswitch-off function. Driving
123Drivingandparking Z

Key
positions with theSt art/S top button 0043
Start /S topbut ton
0044 Ignition lock
As soo nas theign ition isswit ched on,all the
ind icat orlamps intheins trumen tclus terligh t
up.
Fo rfur ther inf orm ation on situati onsin whic han
ind icat orlamp either fails togo out afterthe
en gin eis start ed orligh tsup while driving,
pleas eref erto "Warn ingand indicat orlamps in
th eins trumen tclus ter" (Y page 221).
If St art /S topbut ton0043 has notyet been
pre sse d,this is thesame astheSm artKey bein g
rem ovedfrom theign ition .
X To swit chon thepower supply:pre ss
St art /S topbut ton0043 once.
The power supplyis swit ched on.You cannow
act ivat eth ewin dsh ield wiper s,for example .
The power supplyis swit ched off again if:
R thedriv er'sdoor isopen edand
R you pressStart /S topbut ton0043 twicewhen in
th is posi tion
X To swit chon theignit ion:pressStart /S top
but ton0043 twice.
The ignition isswit ched on.
If you pressStart /S topbut ton0043 once when
in this posi tion ,th eign ition isswit ched off
again .
Rem oving theSt art/S top button
You canremove theSt art /S topbut tonfrom the
ign ition lockand start theveh icleas norm al
usin gth eSm artKey.
You canonlyswit chbet ween Start /S topbut ton
mod eand SmartKey oper ation when theveh icle
is stati onary.
You must alsoengage parkposition 005D. X
Remo veStart /S topbut ton0043 from ignition
loc k0044.
You donothave torem ove theSt art /S topbut -
to nfrom theign ition lockwhen youleaveth e
veh icle. You should, howe ver,always taketh e
Sm artKey withyou when leavingtheveh icle. As
lon gas theSm artKey isin theveh icle:
R theveh iclecan bestart ed usin gth eSt art /
St op but ton
R theelec trical lypower edequipm entcan be
oper ated St
arting theengine
Imp ortant safety notes G
WAR
NING
If ch ildr enare leftuns uper vised intheveh icle,
th ey could:
R oper atetheveh icle's equipm ent
Ad dition ally, childr encould set theveh iclein
mot ionif,for example ,th ey:
R rele ase thepark ingbrak e
R shif tth eauto matictrans mis sion outofpark
posi tion005D
R start theen gin e
Ther eis aris kof an acc iden tand injury.
Nev erleav ech ildr enoranim alsunat tend ed in
th eveh icle.
When leavingtheveh icle, always taketh e
Sm artKey withyou and lockth eveh icle. This
also applie sfor theDig italVeh icleKey ifth e
"Di gitalVeh icleKey" function isact ivat edvia
Mer cedesme conn ect . G
DANG
ER
Comb ustion engin esemit poisonous exhaust
gase ssuc has car bon mon oxide. Inhalin g
th ese exhaust gasesis haz ardo ustohealt h
and canresult inpois oning .Ther eis aris kof
fat alinj ury. Ther efore,never leav eth een gin e
run ningin an enclo sed spac ewit hout ade-
quat even tilati on. 124
Driv
ingDriv ingand parki ng

The
engine startsautomatically whenthedriver
wants topull away again. TheECO start/stop
funct ionthereby helpsyoutoreduce thefuel
consumpt ionand emissions ofyour vehicle.
Import antsafety notes G
WARNIN
G
If the engine isswitched offautomatically and
you exit thevehicle, theengine isrestart ed
automatically. Thevehicle maybegin moving.
There isarisk ofaccident andinjury.
If you wish toexit thevehicle, alwaysturn off
the ignition andsecure thevehicle against
rolling away.
General notes 0043
ECO start/stopdisplay
The ECO start/stopfunct ionisactivated when-
ever youstart theengine usingtheSmart Keyor
the Start /Stopbutton .
If the engine hasbeen switched offautomati-
cally bythe ECO start/stopfunct ion,the00D6
ECO symbol isshown inthe multifunct iondis-
play.
Mercedes-AMG vehicles:theECO start/stop
funct ionisonly availabl ein drive program C.
Automa ticengine switch-off If
the vehicle isbraked toastandst illin Dor N,
the ECO start/stopfunct ionswitches offthe
engine automatically.
The ECO start/stopfunct ionisoperational
when:
R the indicator lampinthe ECO button islit
green
R the outside temperat ureiswithin therange
that issuitable forthe system
R the engine isat normal operating temperature
R the settemperat ureforthe vehicle interior
has been reached R
the battery issufficient lycharged
R the system detectsthat thewindshield isnot
fogged upwhen theair-con ditioning systemis
switched on
R the hood isclosed
R the driver's doorisclosed andthedriver's
seat beltisfasten ed
All ofthe vehicle's systemsremainactivewhen
the engine isstopped automatically.
The HOLD functioncan also beactivated ifthe
engine hasbeen switched offautomatically. Itis
then notnecessary tocont inue applyi ngthe
brakes duringtheautomatic stopphase. When
you depress theaccelerator pedal,theengine
start sautomatically andthebraking effectof
the HOLD functionisdeactivated.
Automat icengine switch-offcan take place a
maximum offour times inarow (initial stop,then
three subsequent stops).
Automa ticengine start The
engine startsautomatically if:
R you switch offthe ECO start/stopfunct ionby
pressing theECO button
R in trans mission position 005Bor005C, thebrake
pedal isreleased andtheHOLD functionisnot
active
R you depress theaccelerator pedal
R you engage reverse gear005E
R you move thetrans mission outofposition 005D
R you unfasten yourseatbeltoropen thedriv-
er's door
R the vehicle startsto roll
R the brake system requires this
R the temperat ureinthe vehicle interiordevi-
ates from thesetrange
R the system detectsmoisture onthe wind-
shield whentheair-con ditioning systemis
switched on
R the battery's conditionofcharge istoo low
Shift ingthe trans mission toposition Pdoes not
start theengine. Driving
127Drivingandparking Z

Befor
ethe engi nespe edrea ches thered area,
an upshi ftindi cator willbe show nin the multi-
functi ondispl ay.
X Shift torecom mende dgea r0043 whe nmes-
sag e0044 isshow nin the multifunction displ ay.
Ki ckdo wn X
For maxi mum acceleration, dep ress the
acce lerator pedalbey ond thepressu repoi nt.
The automa tictransm ission shifts toalow er
gea rdep endi ngon the engi nespe ed.
X Shift back up once thedesiredspe edis
rea ched . Duri
ngkickdo wn,youcannot shiftgea rsusi ng
the stee ring wheelpa ddl eshi fters.
If yo uap plyful lthrottle ,the automa tictrans-
mis sionshi fts uptothe next gearwhe nthe
maxi mum enginespe edisrea ched .Thi spre -
vents theengi nefrom overrevvi ng.
Merc edes-AMG vehicle s: itis only possibleto
use kickdo wnintempo rarymanu aldri ve pro-
gra mM. Whe nmanu aldri ve prog ramMisper -
mane ntlyactivate d,kickdo wnisnot possible. Prob
lems with the transmis sion Prob
lem Pos
siblecaus es/c on sequen cesand 0050 0050
Sol utio ns The
transm ission has
prob lemsshi fting gear. The
transm ission islos ing oil.
X Have thetransm ission checke dat aqu alifi ed spe cialist wor kshop
imme diatel y. The
acce leration ability
is dete riorati ng.
The transm ission nolon-
ger shifts into allof the
gea rs.
Re vers egea rcan nolon-
ger beenga ged. The
transm ission isin eme rgency mode.
X Stop thevehi cle.
X Shift thetransm ission topos ition005D.
X Swi tch offthe engi ne.
X Wa itat lea stten seco ndsbefore resta rting theengi ne.
X Shift thetransm ission topos ition005B.
X Have thetransm ission checke dat aqu alifi ed spe cialist wor kshop
imme diatel y. Refue
ling Impo
rtant safetynotes G
WARNI
NG
Fue lis hig hly flammab le.Risk offire and
expl osion byimp rope rhand ling offue l. You
mustavo idfire ,ope nfla mes, smoki ng
and crea ting sparks. Switch offthe ignition
bef ore refu eling and ,if pre sent, switch offthe
au xiliary hea ting. G
WARNI
NG
Fue lis poi sonou sand haza rdousto hea lth.
The reisarisk ofinju ry. Refue
ling
139Drivin gand parking
Z