2019 MERCEDES-BENZ CLA COUPE fuel

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehicle,
they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutofpark
position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattendedin
the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
WARNING
If you attach heavyorlarge object sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.Thiscould
cause theengine tobe switched off.There isa
risk ofan accident.
Do not attach anyheavy orlarge object sto the
SmartK ey.Remove anybulky keyrings before
insertin gthe SmartK eyinto theignition lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe vicin-
ity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
Vehicles withKEYLESS-GO startfunction: do
not keep theSmartK eyinthe trunk .Otherwise, the
SmartK eymay notbedetect ed,e.g. when
startin gthe engine usingtheStart /Stopbutton. Smar
tKeyfunctions 0043
0037 Tolock thevehicle
0044 0054 Toopen thetrunk lid
0087 0036 Tounlock thevehicle
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R protect ionagainst theftisreactivated.
X To lock: press the0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the fuel filler flap
The turn signals flashonce when unlocking and
three times whenlocking.
When thelocator lighting isactivated viathe
multimedia system,itlights upwhen itis dark
after thevehicle isunlocked withtheremote
cont rol;see Digital Operator's Manual.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 190).
X To open thetrunk lidautom atically: press
and hold the0054 button untilthetrunk lid
opens (Ypage 79). 70
Smar
tKeyOpening andclosing

Cha
nging theset tings ofthelockin g
syst em
You canchang eth eset tings oftheloc kin gsys-
te m. This mean sth at onlythedriv er'sdoor and
th efuel fillerflap areunlo cked when theveh icle
is unlo cked. This isusef ulifyou frequen tlytravel
on your own.
X To cha nge theset ting:pres sand hold the
0036 and0037 buttons sim ultan eousl yfor
appro ximatelysix sec onds unt ilth ebat tery
ind icat orlamp flashes twice (Ypage 73).
If th eset tingof theloc kin gsyst emisch ang ed
wit hin thesign alran geoftheveh icle,pres sing
th e0037 or0036 button:
R loc ksor
R unlo cksth eveh icle
The SmartKey nowfun ction sas foll ows:
X To unlo ck:pres sth e0036 buttonon ce.
X To unlo ckcent rally: pres sth e0036 button
twi ce.
X To lock centrally: pres sth e0037 button.
The KEYLE SS-GO function isch ang edasfol-
lows:
X To unlo ckthedr iver 'sdoor :to uch theinn er
surf ace ofthedoor handleonthedriv er's
door .
X To unlo ckcent rally: touch theinn ersurf ace
of thedoor handleonthefron t-passe nger
door ortherear door.
X To lock centrally: touch theout ersen sor
surf ace ononeof thedoor handles.
X To res toreth efa ctor yset tings: pres sand
hold the0036 and0037 buttons sim ultan e-
ously forappro ximatelysix sec onds unt ilth e
bat tery check lamp flashes twice
(Y page 73). Mech
anicalkey
Gener alnot es If
th eveh icle can nolonger belockedor
unlo cked withth eSm artKey orKEYLE SS-GO ,
use themec hanical key.
If you usethemec hanical keyto unlo ckand
open thedriv er'sdoor orthetrunk lid,theant i-
th eft alarm systemwill betrigger ed(Ypage 68). Ther
eare several ways totur noff thealarm :
X To dea ctiv ateth eala rm with thekey: press
th e0036 or0037 buttonon theke y.
or X Inser tth eSm artKey intoth eign ition lock.
or X To
dea ctiv ateth eala rm with KEYLESS- GO:
pres sth eSt art /S topbut tonin theign ition
loc k.The SmartKey must beintheveh icle.
or
X Loc kor unlo cktheveh icle usin gKE YLE SS-
GO. TheSmartKey must beout side theveh i-
cle .
If you unlo cktheveh icle usin gth emec hanical
ke y,thefuel fillerflap willnotbe unlo cked auto -
mat icall y.
X To unlo ckthefu el fille rfla p:ins ert the
Sm artKey intoth eign ition lock.
Rem oving themech anicalkey X
Push release catch0043 inthedire ction ofthe
arr ow and atthesame timerem ove mec han-
ical key0044 from theSm artKey.
For further inform ationabout :
R Un loc kin gth edriv er'sdoor (Ypage 77)
R Un loc kin gth etrunk (Ypage 82)
R Loc kingth eveh icle (Ypage 77)
Inser tingth emech anicalkey X
Push mechanical key0044 com pletelyintoth e
Sm artKey untilit en gages andrelease
cat ch0043 isback inits basic position. 72
Sm
artKeyOp ening andclosing

Meanwhile,
thefuel filler flapwillnotbelocked
or unlocked.
You cannot unlockthevehicle centrally from the
inside ifthe vehicle hasbeen locked withthe
SmartK eyorKEYLES S-GO.
You canopen adoor from inside thevehicle
even ifit has been locked. Youcanopen therear
doors frominside thevehicle unlesstheyare
secured bythe child-proof lock(Ypage 60).
If the vehicle haspreviously beenlocked with
the SmartK eyfrom theoutside, opening adoor
from theinside willtrigger theanti-t heftalarm
system. Switchoffthe alarm (Ypage 68).
If alocked doorisopened fromtheinside, the
previous unlockstatusofthe vehicle willbe
taken intoconsideration if:
R the vehicle waslocked usingthelocking but-
ton forthe cent rallocking, or
R ifthe vehicle waslocked automatically
The vehicle willbefully unlocked ifit had previ-
ously beenfullyunlocked. Ifonly thedriver's
door hadbeen previously unlocked,onlythe
door which hasbeen opened fromtheinside is
unlocked. Automat
iclockin gfeatur e X
To deactivate: pressandhold button 0043for
approximately fiveseconds untilatone
sounds.
X To activate: pressandhold button 0044for
approximately fiveseconds untilatone
sounds.
If you press oneofthe two buttons anddonot
hear atone, therelevant settinghas already
been selected.
The vehicle islocked automatically whenthe
ignition isswitched onand thewheels areturn-
ing. You
could therefore lockyourself outif:
R the vehicle isbeing pushed
R the vehicle isbeing towed
R the vehicle ison aroller dynamometer
You canalso switch theautomatic lockingfunc-
tion onand offusing theon-board computer
(Y page 189). Unloc
kingthedriver's door(mechan-
ical key)
If the vehicle cannolonger belocked or
unlocked withtheSmartK eyorKEYLES S-GO,
use themechanical key.
If you usethemechanical keytounlock and
open thedriver's door,theanti-t heftalarm sys-
tem willbetriggered. Switchoffthe alarm
(Y page 68).
X Take themechanical keyoutofthe SmartK ey
(Y page 72).
X Insert themechanical keyinto thelock ofthe
driver's doorasfar asitwill go. X
Turn themechanical keycounter- clockwise
as far asitwill gotoposition 0047.
The door isunlocked.
X Turn themechanical keyback andremove it.
X Insert mechanical keyinto theSmartK ey
(Y page 72). Locki
ngthe vehicle (mechanical key)
If the vehicle cannolonger belocked withthe
SmartK eyorKEYLES S-GO,usethemechanical
key.
X Open thedriver's door.
X Close thefront -passenger door,therear
doors andthetrunk lid. Doo
rs
77Opening andclosing Z

X
Press thelockin gbutton onthe driver’s door
(Y page 76).
X Check whether thelockin gkno bson the
fron t-passenger doorandtherear doors are
still visible. Pressdownthelockin gkno bsby
hand, ifnecess ary.
X Close thedriver's door.
X Take themechanic alkey outofthe Smart Key
(Y page 72).
X Insert themechanic alkey into thelock ofthe
driver's doorasfar asitwill go. X
Turn themechanic alkey clock wiseasfar asit
will gotoposition 0047.
X Turn themechanic alkey back andremove it.
X Make surethatthedoors andthetrunk lidare
locked.
X Insert mechanic alkey into theSmart Key
(Y page 72).
i If
you lock thevehicle asdescribed above,
the fuel filler flapisnot locked. Theanti- theft
alarm system isnot armed. Tr
unk Impor
tantsafety notes G
WARNIN
G
Combustion enginesemitpoisonous exhaust
gases suchascarbon monoxide.Exhaust
gases canenter thevehicle interiorifthe
trunk lidisopen when theengine isrunnin g,
especially ifthe vehicle isin motion .There isa
risk ofpoisoning.
Always switchoffthe engine beforeopening
the trunk lid.Never drivewiththetrunk lid
open. G
WARNIN
G
If object s,luggage orloads arenot secured or
not secured sufficient ly,they could slip,tip
over orbe flung around andthereby hitvehicle
occupant s.There isarisk ofinjury, particu-
larly inthe event ofsudden braking orasud-
den change indirection .
Always storeobject sso that they cannotbe
flung around. Secureobjects,luggage or
loads against slipping ortipping beforethe
journey.
! The
trunk lidswings upwards whenopened.
Therefore, makesurethatthere issufficient
clearance abovethetrunk lid.
The opening dimensions ofthe trunk lidcan be
found inthe "Vehicle data"section
(Y page 325).
You should preferably placeluggage orloads in
the trunk .Observe theloading guidelines
(Y page 239).
Do not leave theSmart Keyinthe trunk .You
could otherwise lockyourself out.
The trunk lidcan be:
R opened andclosed manually fromoutside
R opened automatically fromoutside
R opened automatically frominside
R opened fromtheinside usingtheemergenc y
release Tailgat
eobstru ctiondetection with
reversing feature
On vehicles withanEASY-PA CKtailgate, the
tailgate isequipped withautomatic obstacle
recogn itionwithareversin gfeature. Ifasolid
object blocks orrestr ictsthetailgate whenauto-
matically openingorclosing, thisprocedure is
stopped. Ifthe tailgate isstopped duringthe
closing process, thetailgate automatically
opens againslightly. Theautomatic obstruction
detect ionwith reversin gfeature isonly anaid. It
is not asubstitut efor your atten tivenesswhen
opening andclosing thetailgate. 78
Tr
unkOpening andclosing

G
WARNING
Flamma blemateria lsintrodu cedthrough
environmental influence orby anima lscan
ignite ifin contact withtheexhau stsystem or
parts ofthe engine thatheatup. There isarisk
of fire.
Ca rry out regu larchecks tomake surethat
there arenoflamma bleforeig nmateria lsin
the engine compartment orinthe exhau st
system.
Gene ralnote s During
acold start, theengine runsathigh er
spee dstoenabl ethe catal yticconverter to
reach itsopera tingtempera ture.Thesound of
the engine maychange duringthis time.
Automatic transmissio n X
Shift thetransmissi ontoposi tion 005D
(Y pag e132) .
The transmissi onposi tion indica toronthe
multi function displayshow s005D
(Y pag e131) .
i You
canstart theengine intransmissi on
posi tions 005Dand 005C.
Starting procedurewith the SmartKey To
start theengine using the SmartKey instead
of the Start/Stop button,pullthe Start/Stop
button outofthe ignitio nlock.
X Turn theSmartKey toposi tion 0049inthe igni-
tion lock (Ypag e123) andrelease itas soon
as the engine isrunning.
Starting procedurewith the Start/Stop
button The
Start/Stop buttoncanbeused tostart the
vehicl emanua llywitho utinserting theSmartKey
into theignitio nlock. TheStart/Stop button
must beinserted inthe ignitio nlock andthe
SmartKey mustbeinthe vehicl e.This mode for
starting theengine operatesindep endently of
the ECO start/stop automatic enginestartfunc-
tion.
You canstart theengine ifavali dSmartKey isin
the vehicl e.Switch offthe engine andalways
take theSmartKey withyouwhen leaving the vehicl
e,even ifyou only leaveitfor ashort time.
Pay attention tothe importa ntsafety notes.
X Depress thebrake pedaland keep it
depre ssed.
X Press theStart/Stop buttononce
(Y pag e123) .
The engine starts.
Starting procedureviasmartphone Observe
theimporta ntsafety notesonstarting
the engine (Ypag e124) .
You canalsostart yourengine viayou rsmart-
phone fromoutsidethe vehicl e.In this case, the
previ ouslysele cted clima tecontrol settingis
activa ted.Inthis way youcan cool orheat the
interior ofthe vehicl ebefore starting thejour-
ney.
Only start theengine viayou rsmartpho neifit is
safe tostart andruntheengine whereyourvehi-
cle isparked .
Observe thelega lstipu lations inthe area where
you rvehicl eis parked .Engine startviasmart-
phone maybelimi ted tocertain countries or
regio ns.
You canexecute amaximu mof two consecutive
starting attempts viayou rsmartpho ne.Ifyou
insert theSmartKey intotheignitio nlock, you
can carry outtwo more starting attempts.
Once youhave started theengine, youcan
swi tch the engine offvia you rsmartpho neatany
time.
You canonly start theengine viayou rsmart-
phone if:
R the SmartKey isin the ignitio nlock
R park position 005Dissele cted
R the accele ratorpedalis not depre ssed
R the alarm for the anti-theft alarm system is
not set
R the pani cala rm isnot activa ted
R the hazard warninglamp sare switched off
R the hood isclosed
R the doors areclosed andlocked
R the windo wsand sliding sunroof areclosed
Also make surethat:
R the fuel tank issuffi ciently filled
R the starter battery hasbeen sufficiently
charge d Drivi
ng
125Drivi ngand parking Z

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

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low because thebattery istoo weak or
discharged.
X Jump-start thevehicle (Ypage 282).
If the engine doesnotstart despite attemptsto jump-st artit:
X Consult aquali fiedspecialist workshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forapproximately twominutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consult aquali fiedspecialist workshop. The
engine isnot running
smoothly andismisfir-
ing. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic converter
and damage it.
X Have thecause rectified immediately ataqual ified specialist work-
shop. The
coolant temperature
gauge shows avalue
above 248‡(120 †).
The coolant warning
lamp mayalsobeon and
a warning tonemay
sound. The
coolant levelistoo low. Thecoolant istoo hotand theengine isno
longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 263). Observe thewarning notes
as you dosoand add coolant ifnecessary. Notes
ontowing vehicles
The vehicle isnot suitable forattaching towbar
systems, suchasthose usedforflat towing or
dinghy 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 vehicle.
The vehicle/trailer combinationmayswerve.
Observe thepermissible towingmethods
(Y page 287)andthenotes ontowing withboth
axles onthe ground (Ypage 286). DYNAMIC
SELECTbutt on(all vehicle s
except Mercedes-AMG vehicles)
Use theDYNAMIC SELECTbutton tochange the
drive program. Depending onthe drive program
selected thefollowing vehiclecharacterist ics
will change:
R the drive (engine andtransmission manage-
ment)
R the suspension (vehicleswithdamping sys-
tem orAMG adaptive sportsuspension sys-
tem)
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunct ion
R the climate control
Each timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram Cis DY
NAMIC SELECTbutt on(all vehicl esexce ptMercedes-AMG vehicles)
129Driving andparking Z

act
ivat ed.For further inf orm ationabout start ing
th eeng ine,see (Ypage 124). X
Pres sDYN AMICSELECT butt on0043 asman y
tim esasnec essar yunt ilth edesir eddriv e
prog ramisselec ted.
The selec teddriv eprog ramappear sin the
mult ifunction display. Afterfiv esec onds, the
display goesoutand thest atus symbo lof the
selec teddriv eprog ramappear s.
In addit ion,th ecur ren tdriv eprog ramsettings
are displaye dbrie flyinthemult imed iasyst em
display.
i In
afew coun tries, theECO start /stopfun c-
tio nis deac tivate dat thefac tory due tothe
availabl efuel grad e.In this cas e,theECO
st art /stopfun ction isno tavailabl ein any
driv eprog ram,reg ardle ssofthedisplay inthe
mult imed iasyst emdisplay.
Avai labledr ive progr ams: C
Comf ort Comf
ortable andeconomi-
cal driv ingcharac terist ics S
Spo rt Spo
rty driv ingcharac teris-
tic s I
In divid ual In
divid ualsettings E
Ec on omy Part
icular lyeco nomic al
driv ingcharac terist ics Add
ition alinf orm ationfor driv eprog rams
(Y page 135).
You canalso chang egear yours elfusin gth e
st eeri ngwheel paddle shifters. For further inf or-
mat ionontheman ualdriv eprog ram
(Y page 137). DYNAM
ICSELECT controller
(Mer cedes- AMGvehicles)
Use theDYN AMICSELECT con troller tochang e
th edriv eprog ram.De pen dingon thedriv epro-
gram selectedth efoll owin gveh icle charac ter-
ist ics will chang e:
R thedriv e
R thetrans miss ionman agem ent
R ES P®
R thesuspe nsion (veh icleswith AMGadapt ive
spor tsuspe nsion syst em)
R thesoun dof theexh aust system
R theavailabi lityof theECO start /stopfun ction
R theavailabi lityof glidin gmode
Eac htim eyou start theeng inewith theSm art-
Key ortheSt art /S topbutt on,driv eprog ramCis
act ivat ed.For further inf orm ationabout start ing
th eeng ine,see (Ypage 124). X
Turn DYNAMICSE LECT con troller 0043asman y
tim esasnec essar yunt ilth edesir eddriv e
prog ramisselec ted.
The selec teddriv eprog ramappear sin the
mult ifunction display. Afterfiv esec onds the
display goesoutand thesymbo lof theselec -
te ddriv eprog ramappear s.
The driveprog ramindicat oron DYN AMIC
SE LECT con troller 0043light sup inred.
Avai labledr ive progr ams: I
In divid ual In
divid ualsettings C
Comf ort Comf
ort-orien ted, opt i-
mum- economy eng ineand
tr ans miss ionsettings S
Spo rt Spo
rty eng ineand trans -
miss ionsettings 130
DYNAMIC
SELECTcontroller(Mercedes- AMGvehicles )Drivingand parking