2019 MERCEDES-BENZ CLA COUPE battery

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

Problems
withfuelandthefuel tank Problem
Possible
causes/co nsequences and0050 0050
Solutions Fuel
isleaking fromthe
vehicle. The
fuel lineorthe fuel tank isfaulty.
G WARNING
Risk ofexplosion orfire.
X Apply theelectric parking brake.
X Switch offthe engine.
X Remove theSmartK eyfrom theignition lock.
or, invehicles withKEYLE SS-GO start- functionorKEYLE SS‑GO
X Open thedriver's door.
The vehicle electron icsare now inposition 005A.This isthe same as
the SmartK eybeing removed fromtheignition.
X Do not restart theengine underanycircumst ances.
X Consult aquali fiedspecialist workshop. The
fuel filler flapcannot
be opened. The
fuel filler flapisnot unlocked.
X Unlock thevehicle (Ypage 70). The
SmartK eybattery isdischarged ornearly discharged.
X Unlock thevehicle usingthemechanical key(Ypage 77). The
fuel filler flapisunlocked, buttheopening mechanism isjammed.
X Consult aquali fiedspecialist workshop. Parking
Import
antsafety notes G
WARNING
Flammable materialsuchasleaves, grassor
twigs mayignite ifthey come intocont actwith
hot parts ofthe exhaust systemorexhaust
gas flow. There isarisk offire.
Park thevehicle sothat noflammable mate-
rials come intocont actwith parts ofthe vehi-
cle which arehot. Take particular carenotto
park ondry grassland orharvested grain
fields. 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.
! Always
securethevehicle correctlyagainst
rolling away.Otherwise, thevehicle orits driv-
etrain couldbedamaged. 142
Park
ingDriving andparking

Rel
eas ingautomati cally Yo
ur veh icle's electri cpa rking brakeisau to-
mati callyrel eased ifallof the followi ng condi -
tions aremet:
R The engineisrunni ng.
R The trans missionis in pos ition 005B or005E and
yo udep ressthe acce lerato rped alor shi ft
from position 005D to005B or005E.
R The seatbel tha sbee nfas tened .
If the trans missionis in pos ition 005E, thetrunk lid
mus tbe closed .
If yo ur sea tbel tis not fastened ,the followi ng
condi tions mustbe fulfilled to automa tically
rel ease the electri cpa rking brake:
R The driver' sdoo ris clo sed .
R Yo uare shifting from transmissionpos ition
005D orhave pre viouslydri ven atspe eds
gre aterthan 2mph (3km/h ).
Ensur ethat youdo not depressthe acce lerato r
ped aluni ntentio nally.Othe rwise, the parking
bra kewillbe released and thevehiclewi llstar t
to move .
Eme rgencybraki ng The
vehiclecan also be bra ked during aneme r-
gency byusing the electri cpa rking brake.
X Whi ledri ving ,pu sh handl e0043 ofthe electri c
pa rking brake(Ypage 144 ).
The vehicleis bra ked aslong asyoukeep
ha ndl e0043 ofthe electri cpa rking brake
pre sse d.The longer theelectri cpa rking brake
ha ndl e0043 isdep ressed ,the greaterthe brak-
ing force .
Duri ngbra king:
R awa rning tonesounds
R the Rele asePark ingBrake Rele
asePark ingBrakemes sage
ap pea rs
R the red 0049 (USAonly)or 0024 (Cana da
only )ind icator lamp inthe instr umentclu ster
fla she s
Whe nthe vehicleha sbee nbra ked toastand -
stil l,the electri cpa rking brakeisap plied. Parki
ngthe vehic lefor alo ng peri od
If yo uleave thevehiclepa rked forlonger than
fou rwe eks, thebattery maybedamag edby
exha ustive discha rging. If
yo ule ave thevehiclepa rked forlonger thansix
we eks, thevehiclemay suffer damag eas a
res ultof lack ofuse.
X Vis itaqu alifi ed spe cialist wo rksho pand seek
ad vice .
i Yo
ucan obta ininfo rma tion abou ttrickl e
cha rgersfrom aqu alifi ed spe cialist wo rk-
sho p. Dri
vin gtips Gen
eral notes
Impo rtant safetynotes G
WARNI
NG
If yo uswi tch offthe igniti onwhile dri ving ,
sa fety -releva ntfuncti onsareonly availab le
wi th limita tions ,or not atall.Thi scou ldaff ect,
for exa mpl e,the pow erstee ringandthebrake
boo sting effect.Youwi llreq uire consi derably
more effortto stee rand brake. The reisaris k
of an acci dent.
Do not switch offthe igniti onwhile dri ving . G
WARNI
NG
If yo uope rate mobile commu nication equip-
ment when driving ,yo umay bedistra cted
from thetraff icsitu ation. Youcou ldalso lose
control ofthe vehicle. The reisaris kof an
acci dent.
Only operate thisequipment when the vehicle
is stati onary.
Obs erve thelega lreq uireme ntsforthe country
in wh ich youare driving .Some jurisdictions pro-
hib itthe driver from using amob ile pho newhile
dri ving aveh icle.
If yo umake acal lwh ile dri ving ,al wa ysuse
ha nds-fr eemod e.Only operate thetelepho ne
wh en the traff icsitu ation per mits .If yo uare
uns ure,pu llove rto asa fe locati onand stop
bef ore operatingthe telepho ne.
Bea rin mind thatataspe edofonly 30mph
(a pp roxi mate ly50 km/h ),the vehiclecove rsa
di stance of44 ft(app roxi mate ly14 m)per sec-
ond. Driving
tips
145Driving andparking Z

0043
Vehicle infront, ifdetected
0044 Specified minimum distancetothe vehicle
in front; adjustabl e
0087 Your vehicle
0085 Active Distance AssistDISTRONIC active
(text onlyappea rswhen thecruise control
lever isactuated)
X Select theAssistance Graphic Assistance
Graphicfunction
using theon-board computer (Ypage 187).
Tips fordriving withActive Distanc e
Assi stDIS TRONIC General
notes
Pay particula rattention inthe follow ingtraffic
situations:
R Cornering, enteringandexiting abend: the
abil ityofAct iveDistance AssistDISTRONIC to
detect vehicles onbends islimited. Yourvehi-
cle may brake unexpectedly orlate.
R Vehicles drivinginastaggered formation:
Act ive Distance AssistDISTRONIC maynot
detect vehicles thatarenot driving inthe mid-
dle oftheir lanes. Thedistance tothe vehicle
in front willbetoo short.
R Other vehicles changing lane:ActiveDistance
Assist DISTRONIC hasnotdetected thevehi-
cle cutting inyet. Thedistance tothis vehicle
will betoo short.
R Narrow vehicles: Active Distance Assist
DISTRONIC hasnotyetdetected thevehicle
in front onthe edge ofthe road because ofits
narrow width.Thedistance tothe vehicle in
front willbetoo short.
R Obstacles andstationary vehicles:ActiveDis-
tance Assist DISTRONIC doesnotbrake for
obstacles orstationary vehicles.If,for exam-
ple, thedetected vehicleturnsacorner and
an obstacle orstationary vehicleisreveale d, Act
ive Distance AssistDISTRONIC willnot
brake forthem.
R Act ive Distance AssistDISTRONIC maymis-
takenly detectvehicles thatarecrossing your
lane. Ifyou activate Active Distance Assist
DISTRONIC underthefollow ingconditions,
the vehicle couldpullawayunintentionally:
- At traffic lightswithcrossing traffic,for
example.
- ifthere isavehicle infront, afteracrossing,
with theHOLD function activated
In such situations, brakeifnecessary. Active
Distance AssistDISTRONIC willthen bedeacti-
vated. HOLD
function
General notes The
HOLD function canassist thedriver inthe
follow ingsituations:
R when pullingawa y,especia llyon steep slopes
R when maneuvering onsteep slopes
R when waiting intraffic
The vehicle iskept stationary withoutthedriver
having todepress thebrake pedal.
The braking effectiscanceled andtheHOLD
function deactivated whenyoudepress the
accelerator pedaltopull away.
Important safetynotes G
WARNING
If the vehicle isonly braked usingtheHOLD
function, thevehicle mayrollawa yin the fol-
lowi ngsituations whenyouleave thevehicle:
R ifthere isamalfunction inthe system orin
the voltage supply
R ifthe HOLD function isdeactivated by
depressi ngthe accelerator pedalorbrake
pedal ,e.g. byavehicle occupant
R ifthe electrical systeminthe engine com-
partment, thebattery orthe fuses aretam-
pered withorthe battery isdisconnected
There isarisk ofan accident.
Alway sdeactivate theHOLD function and
secure thevehicle againstrolling awaybefore
you leave it. 158
Drivin
gsystemsDrivin gand parking

Trip
menu
Stan dard display X
Pre ssand holdthe 0038 button onthe stee r-
ing wheelunti lthe Tri p Tri
pmenu with trip odom-
ete r0043 and odome ter0044appe ars.
Trip compute r"F rom Start" or"From
Res et" 0043
Distance
0044 Driv ingtime
0087 Aver agesp ee d
0085 Aver agefu el cons umption
X Pre ssthe 0059 or0065 button onthe stee ring
wh eelto sel ect the Trip Tri
pmenu .
X Pre ssthe 0063 or0064 button tosel ect
Fro mSta rt Fro
mSta rtorFro mRes et Fro
mRes et.
The values inthe From Fro
mSta rt Sta
rtsubme nuarecal -
cul ate dfro mthe startof ajou rney whilst the
va lues inthe FromRes et Fro
mRes etsubme nuarecal cu-
la ted fromthe last time thesubme nuwasres et
(Y page 183 ).
In the followi ng cas es,the trip comp uteris au to-
ma tica lly res etFro mSta rt Fro
mSta rt:
R the igniti onhasbe en switch edoff for mor e
tha nfou rhou rs.
R 999 hourshave been exce eded.
R 9,9 99 mileshave been exce eded.
Wh en9,9 99 hou rsor 99, 999 mileshave been
exce eded,the trip comp uteris au toma tically
res etFro mRes et Fro
mRes et. EC
Odis play The
ECO disp layis not availa bl e in Me rced es-
AMG vehicles.
X Pre ssthe 0059 or0065 button onthe stee ring
wh eelto sel ect the Trip Tri
pmenu .
X Pre ssthe 0063 or0064 button tosel ect ECO ECO
DIS PLAY DIS
PLAY.
If the igniti onrem ains switch edoff for longe r
tha nfou rhou rs,the ECO disp laywi llbe auto-
ma tica lly res et.
For mor einfo rma tionon the ECO disp lay, see
(Y page 146 ).
Di spl aying the rang eand curren tfue l
co ns umptio n Me
rced es-AMG vehicles: the menu onlysho ws
ra nge 0043.
X Pre ssthe 0059 or0065 button onthe stee ring
wh eelto sel ect the Trip Tri
pmenu .
X Pre ss0063 or0064 tosel ect the disp laywi th
ap pro xim ate range 0043and current fuel con-
su mpti on0044.
App roximaterange 0043thatcan becove redis
cal cul ate dacc ording toyour cur rent drivin g
sty leand theamount offuel in the tank. If
the reisonl ya sma llam ount offuel left in the
fu el tank, aveh iclebe ing refueled 00A8
ap pe arsins tea dof appro xim ate range 0043.
Re cup erationdisp lay0087 sho wsyouif ene rgy
ha sbe en recu perated fromthe kine ticene rgy
in ove rrunmod eand saved inthe battery .
Re cup erationdisp lay0087 depends onthe
eng ineinstalledand isthe refore not availa bl e
in allveh icles. 18
2 Me
nus and submen usOn-bo ard computer anddisplay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 003D
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
battery isno tbein gch arg ed.
A warn ingtone also soun ds.
Pos siblecaus esare:
R adef ective altern ator
R ato rn poly- V-belt
R amalf unction intheelec tron ics
! Do
notdri ve any further. Other wise theen gin emay overheat.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,pay-
ing attention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Con sult aqualif iedspecialistwor kshop . 003D
Sto pVeh icleSee Sto
pVeh icleSee
Ope rator'sMan ual Ope
rator'sMan ual The
battery isno longer bein gch arg edand theco nd ition ofcharg eis
to olow.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,pay-
ing attention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Obs erveth eins truct ionsin thedisp laymes sage 003D SeeOper‐ See
Oper‐
ato r's Manual ato
r's Manual.
X Con sult aqualif iedspecialistwor kshop . 00B2
Che ck Che
ckEng ine Eng
ine Oil Oil
At At
Nex tRef ueling Nex
tRef ueling The
engin eoil levelhas dropped tothemin imum level.
A warn ingtone also soun ds.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est (Ypage 261).
X Ifne cessar y,add engin eoil (Ypage 262).
If th eengin eoil need stop pingup mor eoft en:
X Con tacta qualif iedspecialistwor kshop andhaveth een gin e
ch ecke d.
In for mat iononappr oveden gin eoils can beobt ained from any quali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /be vo.mer cedes -
ben z.co m. 00D4
Fue lLev elLow Fue
lLev elLow The
fuel levelhas dropped intoth eres erveran ge.
X Refue lat thene ares tgas stati on. 208
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Sto
pVeh icleShi ft Sto
pVeh icleShi ft
to PLea veEng ine to
PLea veEng ine
Run ning Run
ning The
auto matictrans mis sion hasoverheated.
X Dr ive oncar eful ly.
The auto matictrans mis sion isavail able again whenthedisp lay
mes sage goesout .
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Wait untilth eauto matictrans mis sion hascooled down andthedis-
play message hasdisap peared. Aux
iliary Batter y Aux
iliary Batter y
Mal function Mal
function The
auxi liary battery for theauto matictrans mis sion isno lon ger bein g
ch arg ed.
X Vis itaqualif iedspecialistwor kshop .
X Un tilth en ,always shiftthetrans mis sion topos ition 005Dbefore you
swit choff theen gin e.
X Be for eleav ingtheveh icle, apply theelec tric park ingbrak e. Tra
ns. OilOverhea‐ Tra
ns. OilOverhea‐
ted Driveonwit h ted
Driveonwit h
Car e Car
e Mer
cedes -AMG vehicles: thetrans mis sion oilhas overheated.
Man ualdrive pro gram0063 and thete mpo rarily act ive man ualdrive
pro gramare nolon ger avail able. Theengin epowe rout put isred uce d.
X Allow theveh icleto cool down . 4ma
tic Currently 4ma
tic Currently
Una vailable Una
vailable 4M
ATIChas overheated.The vehicleis on lydri ven bythefron twhee ls.
X Dr ive on.
The airflow cools 4MATIC mor equic kly.
Whe nth edisp laymes sage goesout ,4M ATIC isavail able again and
th eveh icleis dri ven byallfou rwhee ls. 4ma
tic Inoperati ve 4ma
tic Inoperati ve 4M
ATIC ismalf unction ing .The vehicleis on lydri ven bythefron t
whee ls.
X Vis itaqualif iedspecialistwor kshop . 0084 The
trunk lidisopen .
X Clos eth etrunk lid. 0083 The
hoodis open .
A warn ingtone also soun ds.
G WAR
NING
The open hoodmay blockyour viewwhen theveh icleis in mot ion.
The reisaris kof an acc iden t.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Clos eth ehoo d. Disp
laymes sage s
217On -boar dcomp uter anddi sp lay s Z