2018 MERCEDES-BENZ CLA COUPE lock

Display messagesPossible causes/consequences andMSolutions
CAt least onedoor is open .Awarning tone also sounds.
XCloseall th edoors.
Ð
Power Steering Mal ‐function See Opera‐tor's Manual
The powersteering is malfunctioning .
Aw arning tone also sounds.
GWARNIN G
You will need to use mor eforce to steer .
There is ariskofana ccident.
XCheckwhether you are able to apply th eextra force required.
If you ar eabletos teer safely:
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
If you ar eunable to steer safely:
XDo no tdrive on .
XConsult aqualified specialist workshop .
Phone No ServiceYour vehicleisoutside th enetwork provider' stransmitter/receiver
range.
XWait until th emobile phone operational readiness symbol appear s
in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th em inimum .
XAddw asher flui d(Ypage 260).
Wiper Malfunction‐ingThe windshield wiper sare malfunctioning .
XVisitaqualified specialist workshop .
Hazard WarningFlashers Malfunc‐tioning
The hazard warning lamp sare faulty.
XVisit aqualified specialist workshop .
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrect SmartKey.
Â
TakeYourK ey fro mIgnition
The SmartKey is in th eignition lock.
Aw arning tone sounds
XRemove th eSmartKey.
216Display messages
On-boardc omputer andd isplays

Display messagesPossible causes/consequences andMSolutions
Â
ObtainaNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Â
ReplaceKey Batter y
The SmartKey battery is discharged.
XChange thebattery (Ypage 73) .
Â
Don't Forget You rKey
The display message is shown for amaximum of 60 seconds and is
only areminder.
You hav eopened th edriver's door wit hthe engin eswitched off .The
SmartKey is no tintheignition lock. Awarning tone sounds.
XTakethe SmartKey wit hyou when you leav ethe vehicle.
Â
Key Not Detected(redd isplay message )
The SmartKey is no tinthevehicle.
Aw arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicl ecen-
trally or start th eengine.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XLocate th eSmartKey.
Becaus ethe re is interferenc efromas tron gs ource of radi owaves, th e
SmartKey is no tdetecte dwhilstthe engin eisrunning.
Aw arning tone also sounds.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XInser tthe SmartKey int othe ignition loc kand drive in SmartKey
mode.
Â
Key Not Detected(whit edisplay message )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbedetected:
XOperat ethe vehicl ewitht he SmartKey in th eignition lock.
Â
Remove 'Start 'But‐ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atem porar ymalfunction or is
faulty. Awarning tone also sounds.
XInser tthe SmartKey int othe ignition loc kand tur nittot hedesire d
position .
XVisitaqualified specialist workshop .
Display messages217
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

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
!NThe yellow ABS warning lamp is lit while the engine is running. Awarning tone
als os ounds.
EBD is malfunctioning. Therefore, ABS, BAS, Active Brake Assist, ESP
®,t he HOLD
function and hills tart assist, for example, are not available either.
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 an increased risk of skidding and an accident.
XObserve the additionald isplay messages in the multifunction display.
XDrive on carefully.
XVisitaqualified specialist workshopi mmediately.
!
֌
$JN$(USA only), J(Canada only): the red brake warning lamp and the yellow
ABS, ESP®and ESP®OFF warning lamp sare lit while the engine is running.
ABS and ESP®are malfunctioning. Therefore, BAS, Active Brake Assist, EBD, the
HOLD function and hills tart assist, for example, are not available either.
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 an increased risk of skidding and an accident.
XObserve the additionald isplay messages in the multifunction display.
XDrive on carefully.
XVisitaqualified specialist workshopi mmediately.
Warning and indicator lamps in the instrument cluster221
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
?NThe red coolant warning lamp comes on while the engine is running.
The coolant levelist oo low.
If the coolant levelisc orrect, the airflow to the engine radiator may be blocked or
the electric engine radiator fan may be defective.
The coolant is too hot and the engine is no longer being cooleds ufficiently.
XObserve the additionaldisplay messages in the multifunction display.
XPullover and stop the vehicles afelyand switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehiclea gainst rolling away(Ypage141).
XLeave the vehiclea nd keepasafe distance from the vehicleu ntil the engine has
cooledd own.
XCheck the coolant levela nd add coolant, observing the warning notes
(Ypage2 60).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the air supply to the engine radiator is not blocked,e .g. by snow,
slush or ice.
XDo not start the engine again until the coolant temperature is below 248 ‡
(120 †). Otherwise, the engine coul dbedamaged.
XDrive to the neares tqualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-and-go traffic.
?NThe red coolant warning lamp comes on while the engine is running. Awarning
tone als osounds.
The coolant temperature has exceeded2 48‡(120 †). The airflow to the engine
radiator may be blocked or the coolant levelm ay be too low.
GWARNING
The engine is not being cooleds ufficiently and may be damaged.
Do not drive whe nyoure ngine is overheated. This can cause some fluids which
may have leaked into the engine compartment to catch fire.
Steam from the overheated engine can also cause serious burns which can occur
just by opening the hood.
There is arisk of injury.
XObserve the additiona ldisplaym essages in the multifunction display.
XPullover and stop the vehicle safely and switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehicle against rolling away (Ypag e141).
XLeav ethe vehicle and keep asafe distance from the vehicle until the engine has
cooledd own.
XCheck the coolant levela nd add coolant, observing the warning notes
(Ypag e260).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the ai rsupply to the engine radiator is not blocked, e.g. by snow,
slush or ice.
226Warning and indicator lamps in the instrument cluster
On-board computer and displays

Loading guidelines
GWARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip
over or be flun garounda nd thereb yhit vehicle
occupants. Thereisar isk of injury, particu-
larly in th eeventofs udden braking or asud-
den change in direction.
Always store object ssothatthe yc annot be
flun garound. Secure objects, luggage or
loads against slippingort ipping before the
journey.
GWARNING
Combustio nengine semit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter th evehicle interio rifthe
trunk lid is open when th eengine is running,
especially if th evehicle is in motion.T hereisa
risk of poisoning.
Always switch off th eengine before opening
th et runk lid. Never drivew ith thetrunk lid
open.
GWARNING
The exhaust tail pipe and tail pipe trim can
become veryh ot.Ifyou com eintoc ontact
with these partsoft hevehicle ,you could burn
yourself. Thereisar isk of injury.
Always be particularly careful aroundt he
exhaust tail pipe and th etail pipe trim. Allow
these component stocooldown before touch-
ing them.
The handlingc haracteristicsofaladen vehicle
are dependentont hedistribution of th eload
within th evehicle.
Observe th efollowing notes when loadinga nd
transporting aload:
RNever exceed th emaximum permissible
gross vehicle mass or th egross axle weight
rating for th evehicle (includingo ccupants).
The values are specified on th evehicle iden- tification plateont
heB-pillar of th edriver's
door.
RThe trunk is th epreferred place to carry
objects.
RPosition heavy loads as far forwards as pos-
sible and as low down in th etrunk as possible.
RThe load must not protrude above th eupper
edge of th eseat backrests.
RAlways place th eload against th erear or front
seat backrests .Makes ure that th eseat
backrests are securely locked int oplace.
RAlways place th eload behindu noccupied
seatsifp ossible.
RUse thecargo tie-down rings and th eparcel
net stot ransport loads and luggage.
RUse cargo tie-down rings and fastening mate-
rials appropriatef or theweight and sizeoft he
load.
RSecure th eload with sufficiently stronga nd
wear-resistant tie -downs.Pad sharpe dges for
protection.
Stowage areas
Stowage spaces
Important safety notes
GWARNING
If object sinthepassenge rcompartmenta re
stowed incorrectly, they can slide or be
thrown arounda nd hit vehicle occupants. In
addition,c upholders, open stowage spaces
and mobile phoneb racketscannot always
retain all object stheyc ontain .Thereisar isk
of injury, particularly in th eeventofs udden
braking or asudden change in direction.
RAlways stow object ssothatthe yc annot be
thrown aroundins uch situations.
RAlways makesure that objectsdonot pro-
trude fro mstowage spaces, parcel net sor
stowage nets.
RClose th elockable stowage spaces before
starting ajou rney.
RAlways stow and secure heavy, hard, poin-
ted ,sharp-edged, fragile or bulky object sin
th et runk.
Observe th eloadingg uidelines (
Ypage 237).
Stowage areas237
Stowage and features
Z

Stowage compartment under the armrest
XTo open:on vehicles with movable armrests,
make sure that the armrest is in the rearmost
position.
XPress button :and fold the armrest up.
Depending on the vehicle equipment, the arm-
rest can be moved backwards or forwards in a
longitudinal direction.
Depending on the vehicle's equipment, the fol-
lowing may be in the stowage compartment: a
multimedia connector unit with an SD card slot
and 2USB ports, e.g. for use with an iPod
®,
iPhone®or MP3 player; see the separate oper-
ating instructions.
Stowage space in the rear
Stowage compartment in the rear center
console
XTo open: pull down the top of stowage com-
partment :by the edge of the handle.
iDepending on the vehicle's equipment,
there may be an open stowage space above
the stowage compartment.
Parcel nets
Stowage nets are located:
Rin the front-passenger footwell
Ron the back of the driver's and the front-
passenger seat
Ron the left and right-hand side in the trunk
Observe the loading guidelines (
Ypage 237)
and the safety notes regarding stowage spaces
(
Ypage 237).
Through-loading facility in the rear
XTo open: fold down seat armrest :.
XPull the center head restraint on the rear
bench seat into the uppermost position
(
Ypage 93).
XSlide locking mechanism =in the direction
of the arrow.
XSwing flap ;fully to the side.
Flap ;is held open by amagnet.
XTo close: swing flap ;in the trunk back until
it engages.
XFold armrest :up fully if necessary.
Observe the loading guidelines (
Ypage 237).
Stowage areas239
Stowage and features
Z

Cargo compartment enlargement
Important safety notes
GWARNING
If th erear bench seat/rear seat and seat
backres tare no tengaged they coul dfold for-
wards ,e.g.w hen braking suddenly or in the
event of an accident.
RThe vehicle occupant would thereby be
pushedi ntot he seat belt by th erear bench
seat/rear seat or by th eseat backrest. The
seat belt can no longer offer th eintended
leve lofp rotection and coul devenc ause
injuries.
RObject sorloads in th etrunk canno tbe
restraine dbytheseat backrest.
Thereisani ncreased ris kofinjury.
Before every trip, mak esure that th eseat
backrests and th erear bench seat/rear seat
are engaged.
!Before folding th ebackres tintherear com-
partmen tforwards ,makes ure that th erear
compartmen tarmres tand th ecupholder are
folded in. They may otherwise be damaged.
Observ ethe loadingg uidelines(
Ypage 237).
The left-hand and right-handr ear seat backrests
can be folded forwards separately to increase
th et runk capacity.
Folding th erears eat backres tforwards
and back
Folding th erears eat backrests forward
XFully insert th ebackres thead restraint sif
necessary (Ypage 93).
XMovet hedriver'sorf ront-passenger seat
forward if necessary.
XPull left-hand or right-handr elease handle;
of th eseat backres tforward.
Corresponding seat backrest :is released.
XFoldb ackrest :forward.
XMovet hedriver'sorf ront-passenger seat
back if necessary.
XInsertt heseat belt int oseat-belt holder :.
Folding therears eat backres tback
!Makes ure that th eseat belt does not
become trapped when folding th erear seat
backres tback .Otherwise, it coul dbedam-
aged.
XMovet hedriver'sorf ront-passenger seat
forward if necessary.
XFol dseat backrest :back until it engages.
Red locks tatus indicator ;is no longer visi-
ble.
XAdjust th ehead restraint sifnecessary
(Ypage 93).
XMovet hedriver'sorf ront-passenger seat
back if necessary.
240Stowage areas
Stowage and features