2018 MERCEDES-BENZ CLA COUPE automatic transmission

Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp lights up. The red F(USAonly)
or ! (Canada only) indicator lamp flashes for about te nseconds
after th eelectric parking brak ehas been applie dorreleased. It then
goe sout or remain slit.
The electric parking brak eismalfunctioning .
XSwitchoff th eignition and tur nitbacko n.
XApply th eelectric parking brake.
If it is no tpossibl etoengage th eelectric parking brake:
XShift th etransmission to position B.
XVisitaqualified specialist workshop .
If it is no tpossibl etorelease th eelectric parking brak emanually:
XReleas ethe electric parking brak eautomatically (Ypage 142).
If th eelectric parking brak estill canno tbereleased:
XConsult aqualified specialist workshop .
The yellow!warning lamp lights up. If you manually apply or
release th eelectric parking brake, th ered F (USAonly) or !
(Canada only) indicator lamp flashes .
The electric parking brak eismalfunctioning .Itisnotpossibl etoapply
th ee lectric parking brak emanually.
XShift th etransmission to position B,astheelectric parking
brak eisn otapplie dautomatically.
XVisit aqualified specialist workshop .
F(USA
only)
!(Canada
only)
Parkin gBrake Inop‐
erativ e
The yellow !warning lamp lights up. The red F(USAonly)
or ! (Canada only) indicator lamp flashes for about te nseconds
after th eelectric parking brak ehas been applie dorreleased. It then
goe sout or remain slit.
The electric parking brak eismalfunctioning ,e.g.b ecause of over-
voltag eorundervoltage.
XRemove th ecaus efor th eovervoltage or undervoltage, e.g. by
charging th ebattery or restarting th eengine.
XEngage or release th eelectric parking brake.
If it remain simpossible to apply or release th eelectric parking brake:
XSwitc hoff th eignition and tur nitbacko n.
XEngage or release th eelectric parking brake.
If th eelectric parking brak estill canno tbereleased:
XConsult aqualified specialist workshop .
If th eelectric parking brak estill canno tbeapplied:
XVisitaqualified specialist workshop .
196Display messages
On-boardcomputer andd isplays

Display messagesPossible causes/consequences andMSolutions
TirePress.Sen‐sor(s) Missin gUSAo nly:
There is no signal from th etirep ressur esensor of on eorseveral tires .
The pressur eoftheaffecte dtired oes no tappear in th emultifunction
display.
XHav ethe fault ytirep ressur esensor replace dataqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
USAo nly:
The wheels mounte ddonothav eas uitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
af ew minutes.
Tir ePress.Monito rInoperativeUSAo nly:
The tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Vehicle
Display messagesPossible causes/consequences and MSolutions
DepressBrake toStart EngineYou hav eattempte dtostart th eenginew itht he transmission in posi-
tion Nwithout depressing th ebrak epedal .
XDepress th ebrak epedal .
ToDeselect PorN,DepressBrake andStart Engine
You hav eattempte dtoshift th etransmission to position Ror Dwith-
out starting th eengine.
XStart th eengine.
XDepress th ebrak epedal .
iIt is only possibl etoshift th etransmission from position Pto th e
desire dposition if you depress th ebrak epedal .Onlyt henc an th e
parking loc kbedeactivated. If you do no tdepress th ebrak epedal ,
th eD IRECT SELECT lever can still be moved but th eparking loc k
remain sengaged.
iAt transmission fluid temperatures belo wÒ4‡ (Ò20 †) you can
only shift out of position Pint oa nother transmission position when
th ee ngineisr unning.
Apply Brake toShift fro m'P'You hav eattempte dtoshift th etransmission to position R,N or D
without depressing th ebrak epedal .
XDepress th ebrak epedal .
Display messages213
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
TransmissionNotinPRiskofV ehicleRollin gAway
The driver's door is open or no tfull yc losed and th etransmission is in
position R,N or D.
Aw arning tone also sounds.
GWARNIN G
The vehicl emay rol laway.
There is ariskofana ccident.
XShift thetransmission to position P.
XSecurethe vehicl eagainst rollin gaway (Ypage 141).
XClosethe driver's door completely.
Servic eRequiredDoNot Shift GearsVisit Dealer
You canno tchang et he transmission position due to amalfunction .
Aw arning tone also sounds.
If transmission position Dis selected:
XDrive to aqualified specialist workshop without shifting th etrans -
mission from position D.
If transmission position R,N or Pis selected:
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XNotify aqualified specialist workshop or breakdown service.
Onl yShift to 'P'whenVehicl eisSta‐tionar y
The vehicl eismoving.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XShift th etransmission to position P.
To Engage Trans‐miss. PositionRFirst DepresstheBrake
You hav eattempte dtoshift from position Dor Nto transmission
position R.
XShift th etransmission to position Rwhile depressing th ebrak e
pedal .
ReversingNotPossi‐bleServic eRequiredThe automatic transmission is malfunctioning .You canno tbacku p.
XVisit aqualified specialist workshop .
Transmission Mal‐functionThe automatic transmission is malfunctioning .
XVisitaqualified specialist workshop .
Transmission Mal‐function StopThe automatic transmission is malfunctioning .
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XConsult aqualified specialist workshop .
214Display messages
On-boardcomputer andd isplays

Display messagesPossible causes/consequences andMSolutions
StopVehicl eShifttoPLeave EngineRunnin g
The automatic transmission has overheated.
XDrive on carefully.
The automatic transmission is available again when th edisplay
message goe sout.
If th emultifunction display still shows th edisplay message :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XWait until th eautomatic transmission has cooled down and th edis-
play message has disappeared.
Auxiliary Batter yMalfunctionThe auxiliary battery for th eautomatic transmission is no longer bein g
charged.
XVisit aqualified specialist workshop .
XUntilthen, set th etransmission to position Pbefore you switch off
th ee ngine.
XBefor eleaving th evehicle, apply th eelectric parking brake.
Trans. Oil Overhea‐ted Drive on wit hCare
Mercedes-AMG vehicles: th etransmission oil has overheated.
Manual drive progra mM and th etem porarily active manual drive pro -
gra ma re no longer available. The engin epowe routput is reduced.
XAllow th evehicl etoc ooldown .
4matic CurrentlyUnavailable4MATIC has overheated. The vehicl eisonlyd riven by th efront wheels.
XDrive on .
The airflow cools 4MATIC mor equickly.
Whe nthe display message goe sout,4 MATIC is available again and
th ev ehicl eisd riven by all fou rwheels.
4matic Inoperative4MATIC is malfunctioning .The vehicl eisonlyd riven by th efront
wheels.
XVisit aqualified specialist workshop .
NThe trunk lid is open.
XClosethe trunk lid.
MThe hoo disopen.
Aw arning tone also sounds.
GWARNIN G
The open hoo dmay bloc kyour vie wwhen th evehicl eisinm otion.
There is ariskofana ccident.
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XClosethe hood.
Display messages215
On-boardc omputer andd isplays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
!NThe yellow ABS warning lamp is lit while the engine is running.
ABS (Anti-lock Braking System) is deactivated due to amalfunction. Therefore,
BAS (Brake Assist), Active Brake Assist, ESP
®(Electronic Stability Program), the
HOLD function and hills tart assist, for example, are als odeactivated.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The wheels coul dtherefore lock if you brake hard ,for example.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additionald isplay messages in the multifunction display.
XDrive on carefully.
XVisitaqualified specialist workshopi mmediately.
If the ABS control unit is faulty, there is als oapossibility that other systems ,such
as the navigation system or the automatic transmission, wil lnot be available.
!N The yellow ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable.T herefore, BAS, Active Brake Assist, ESP®,EBD
(electronic brake force distribution), the HOLD function and hills tart assist, for
example, are als odeactivated.
Possible causes are:
RSelf-diagnosi sisnot yet complete.
RThe on-board voltag emay be insufficient.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The front and rear wheels coul dtherefore lock if you brake hard ,for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is arisk of an accident.
XCarefully drive asuitable distance, making slight steering movements at aspeed
above 12 mph (20 km/h).
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on:
XObserve the additiona ldisplay messages in the multifunction display.
XDrive on carefully.
XVisitaq ualified specialist workshopi mmediately.
220Warning and indicator lamps in the instrument cluster
On-board computer and displays

quently. Under arduous operatingconditions,
the tires must be checked more often. Further
information can be obtained at aqualified spe-
cialist workshop, e.g. an authorized Mercedes-
BenzC enter.
Driving abroad
An extensive Mercedes-Benz Service network is
also available in other countries. You can obtain
further information from any authorized
Mercedes-Benz Center.
Care
General notes
HEnvironmental note
Dispose of empty packagin gand cleaning
cloths in an environmentally responsible man-
ner.
!For cleanin gyour vehicle, do not use any of
the following:
Rdry, rough or hard cloths
Rabrasive cleanin gagents
Rsolvents
Rcleanin gagent scontainin gsolvents
Do not scrub.
Do not touch the surfaces or protective films
with hard objects, e.g. aring or ice scraper.
You could otherwise scratch or damage the
surfaces and protective film.
!Do not park your vehicle for along period of
time directly after cleaning, particularly after
cleanin gthe wheel rim with wheel cleaner.
Wheel cleaner can lead to the increased cor-
rosion of the brake discs and pads. Therefore,
drive for afew minutes after cleaning. By
heating up the brakes, the brake discs and
pads dry. The vehicle can then be parked for a
long period of time.
Regular care of your vehicle is acondition for
retaining the quality in the long term.
Use care productsa nd cleaningagent srecom-
mended and approved by Mercedes-Benz.
Washing the vehicle and cleaning the
paintwork
Automatic car wash
GWARNING
Braking efficiency is reduced after washing
the vehicle. There is arisk of an accident.
After the vehicle has been washed, brake
carefully while paying attention to the traffic
condition suntil full brakin gpower is restored.
!When Distance Pilot DISTRONIC or the
HOLD function is activated, the vehicle
brakes automatically in certain situations.
To avoid damage to the vehicle, deactivate
Distance Pilot DISTRONIC and the HOLD
function in the following or similar situations:
Rwhen towing the vehicle
Rin the car wash
!Never clean your vehicle in aTouchless
Automatic Car Wash as these use special
cleanin gagents. These cleanin gagent scan
damage the paintwor korplastic parts.
!Make sure that the automatic transmission
is in position Nwhen washing your vehicle in
at ow-through car wash. The vehicle could be
damaged if the transmission is in another
position.
!Make sure that:
Rthe side windows and the sliding sunroof
are fully closed.
Rthe blower is switched off.
Rthe windshield wiper switch is at position 0.
The vehicle may otherwise be damaged.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cleanin gitinana utomatic car wash.
After using an automatic car wash, wipe off wax
from the windshield and the wiper blades. This
will prevents mears and reduce wiping noises
caused by residue on the windshield.
Washing by hand
In some countries, washing by hand is only
allowed at specially equipped washing bays.
Observe the legal requirements in each country.
262Care
Maintenance and care

the householdrubbish .They
must be collected separately and recycle dtoprotect the
environment.
Dispose of batteries in an
environmentall yfriendly
manner. Take discharged
batteries to aquali fied spe-
cialist workshop or aspecial
collectio npoint for used bat-
teries.
!Hav ethe battery checked regularly at a
qualified specialis tworkshop.
Observe the service intervals in the Mainte-
nanc eBookle torcontact aquali fied specialist
workshop for mor einformation.
!Yo us houl dhavea llwork involvin gthe bat-
tery carrie doutataq uali fied specialis twork-
shop. In the exceptiona lcas et hatiti sneces-
sary for yo utodisconnect the battery your-
self, make sure that:
Ryo us witch off the engine and remove the
key .Onv ehicles with KEYLESS-GO, ensure
thatt he ignition is switched off .Check that
al lt he indicator lamps in the instrument
clustera reoff .O therwise, electronic com-
ponents ,suc hast he alternator, mayb e
damaged.
Ryo uf irst remove the negative terminal
clamp and thent he positive terminal
clamp. Never swap the termina lclamps.
Otherwise, the vehicle' selectronic system
maybed amaged.
Rin vehicles with automatic transmission,
the transmission is locked in position P
after disconnecting the battery .The vehicle
is secur ed a
gainst rolling away
.You can
thennol ongerm ovet he vehicle.
The battery and the cove rofthe positive ter-
minal clamp must be installe dsecurel yduring
operation.
Compl ywiths afety precautions and take pro-
tective measures when handling batteries.
Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the bat-
tery .Avoi dc reating sparks.
Battery aci discaustic. Avoidc ontact
with skin, eyes or clothing.
Wear suitabl eprotective clothing,
especiall ygloves, apron and face-
guard.
Rinse any aci dspills immediately
with clear water. Contact aphysician
if necessary.
Wear ey eprotection.
Kee pchildren away.
Observe thisO perator' sManual.
For safety reasons, Mercedes-Benz recom-
mend sthaty ouonlyusebatteries which have
been tested and approved for your vehicl eby
Mercedes-Benz. Thes ebatteries provide
increasedi mpactprotection to prevent vehicle
occupants froms ufferin gacidb urns shoul dthe
battery be damage dinthe event of an accident.
In order for the battery to achieve the maximum
possibl eservice life, it must always be suffi-
ciently charged.
Like othe rbatteries ,the vehicl ebattery may
discharge ove rtim eify oudo not us ethe vehicle.
In thisc ase, have the battery disconnecte data
qualified specialis tworkshop .You can also
charge the battery with acharge rrecommended
by Mercedes-Benz. Contact aquali fied special-
is tw orkshop for furtheri nformation.
Hav ethe battery condition of charge checked
mor efrequentl yifyouuset he vehicl emainl yf or
short trip sorifyouleav eits tanding idle for a
lengthyp eriod. Consult aquali fied specialist
workshop if yo uwishtol eave your vehicle
parked for alon gp eriodoft ime.
Onlyr eplace abattery with abattery thath as
been recommended by Mercedes-Benz.
Battery (vehicle)277
Breakdow nassistance
Z

iJumper cablesand further informatio nregardingj ump-startin gcan be obtaine datany qualified
specialist workshop.
Towing and tow-starting
Important safety notes
GWARNING
Functionsr elevanttos afety are restricted or
no longer available if:
Rth ee ngine is no trunning.
Rtheb rakes ystem or th epower steering is
malfunctioning.
Rthere is amalfunctio ninthevoltage supply
or th evehicle's electrical system.
If your vehicle is beingt owed, muchm ore
force may be necessaryt osteer or brake.
Thereisar isk of an accident.
In such cases, use atow bar. Before towing,
makes ure that th esteering moves freely.
GWARNING
You can no longer steer th evehicle if the
steering wheel lockh as been engaged. There
is ar isk of an accident.
Always switch off th eignitio nwhen towing the
vehicle with atow cable or atow bar.
GWARNING
When towing or tow-startin ganother vehicle
and its weight is greater than th epermissible
gross weight of your vehicle ,the :
Rthet ow ing eye could detach itself
Rthev ehicle/trailer combinatio ncould roll-
over.
Thereisar isk of an accident.
When towing or tow-startin ganother vehicle,
its weight shouldn otbe greater than th eper-
missible gross weight of your vehicle.
Details on th epermissible gross vehicle weight
of your vehicle can be foun donthevehicle iden-
tification plate(
Ypage 314).
!When Activ eBrake Assist,D istance Pilot
DISTRONIC or th eHOLDfunction is activated, th
ev ehicle brakes automatically in certain
situations.
To avoid damage to th evehicle ,deactivate
these systems in th efollowing or similar sit-
uations:
Rwhen towing th evehicle
Rin th ecar wash
!Makes ure that th eelectric parking brak eis
released. If th eelectric parking brakeisf aulty,
visitaq ualifiedspecialist workshop.
!Only secure th etow rope or to wbar at the
towing eyes. Otherwise, th evehicle coul dbe
damaged.
!Do no tuse th etow ing eyes for recoveryp ur-
posesast hisc oul dd amage th evehicle .Ifin
doubt,r ecover th evehicle with acrane.
!When towing ,pull away slowly and
smoothly. If th etractive power is to ohigh,t he
vehicle scoul dbed amaged.
!The vehicle can be towed amaximum of
30 miles (50km ). The towing speed of 30 mph
(50km/h) must no tbeexceeded.
If th evehicle has to be towed moret han
30 miles (50km), th efront axle must be raised
or th eentire vehicle raiseda nd transported.
!Do nottow with sling-type equipment .This
coul ddamage th evehicle.
!When towing vehicle swith KEYLESS-GO,
use th ekey instead of th eStart/Sto pbutton.
Otherwise, th eautomatic transmission may
shifttop ositionPwhen th edriver' sorf ront-
passenger door are opened, whichc ouldlead
to damage to th etransmission.
!Vehicles with automatic transmission must
no tbes tarted by tow-starting. This coul doth-
erwis edamage th etransmission.
It is bette rtohave th evehicle transported than
to have it towed away.
If th evehicle can no longer be driven because of
an accidentorb reakdown,you have thefollow-
ing options:
RTransportin gthe vehicle.
Towing and tow-starting281
Breakdown assistance
Z