2016 MERCEDES-BENZ CLA-Class display

Display messagesPossible causes/consequences andMSolutions
b
Check LeftCorner ‐
ing LightorCheck
Right Cornering
Light
The lef tor right-hand cornering ligh tis defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check LeftLow
Bea morCheck
Right Low Bea m
The leftor right-hand low-beam headlamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check RearLef t
TurnSignalor
Check Rea rRight
Tur nSignal
The rear left-han dor rear right-hand tur nsignal is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check Front Left
TurnSignalor
Check Front Right
Tur nSignal
The fron tleft-han dor fron tright-hand tur nsignal is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check LeftMirror
Tur nSignalor
Check
RightMirror
Tur nSignal
The tur nsignal in th eleft-han dor right-hand exterio rmirror is
defective.
XVisit aqualified specialist workshop .
b
CheckCenterBrake
Lamp
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
Check LeftBrake
Lam porCheck
Right Brake Lam p
The leftor right-hand brak elamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
240Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
b
Check LeftTai l
and Brake Lampsor
Check Right Tai l
and Brake Lamps
The leftor right-hand tai llamp/brak elamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check LeftHig h
BeamorCheck
Right Hig hBea m
The lef tor right-hand high beam is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
LicensePlate Lam p
The leftor right-hand license plat elamp is faulty.
XVisit aqualified specialist workshop .
b
Check LeftFog
Lam porCheck Right
Fog Lam p
The leftor right-hand fo glamp is faulty.
XVisit aqualified specialist workshop .
b
Rearfog lam p
The rear fo glamp is faulty.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Check Front Left
ParkingLam por
Check Front Right
Parkin gLam p
The fron tlef tor fron tright parkin gor standin glamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Backup Light
The backup lamp is defective.
XCheckwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
Display messages241
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
Check LeftTai l
LamporCheck
Right Tai lLam p
The lef tor right-hand tai llamp is defective.
XVisit aqualified specialist workshop .
b
Check Front Left
SidemarkerLam por
Check Front Right
Sidemarke rLam p
The fron tleft-han dor fron tright-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check RearLef t
Sidemarke rLam por
Check Rea rRight
Sidemarke rLam p
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
CheckLeftDaytim e
RunningLightor
Check Right Day ‐
timeRunnin gLight
The lef tor right-hand daytime running lamp is faulty.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 120).
or
XVisit aqualified specialist workshop .
b
Active Headlamps
Inoperative
The active lightfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction See
Operator'sManual
The exterio rlighting is defective.
XVisit aqualified specialist workshop .
b
AutoLampFunction
Inoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav eth evehicle. A
warnin gtone also sounds.
XTur nth eligh tswitch to th eà position .
b
SwitchOnHeadlamps
You are drivin gwit hlow-beam headlamp sswitched off.
XTur nth eligh tswitch to th eL orà position .
242Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Adaptive Highbeam
Assist Currently
Unavailable See
Operator'sManual
Adaptive Highbeam Assis tis deactivated and temporarily inoper -
ative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive
HighbeamAssistNowAvailablemessage appears .
Adaptive Highbeam Assis tis operational again .
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assis tis faulty.
XVisit aqualified specialist workshop .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 299).
If you have to ad dcoolant frequently:
XContac t aqualified specialist workshop and hav eth eengin e
coolin gsystem checked.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8 ‡ (120†), drive to th e
neares tqualified specialist workshop .
XAvoid heavyloads on th eengin eas you do so, e.g. drivin gin
mountainous terrain and stop-start traffic.
Display messages24 3
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
?
CoolantToo Hot
Sto pVehicl eTur n
Engine Off
The coolan tis to ohot .
A warnin gtone also sounds.
GWARNIN G
Do notdrive when your engin eis overheated. This can caus esom e
fluids whic hmay hav eleaked into th eengin ecompartmen tto
catch fire.
Steam from th eoverheated engin ecan also caus eserious burn s
whic hcan occur jus tby openin gth ehood.
There is aris kof injury.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 169).
XWait until th eengin ehas cooled down .
XMakesur ethat th eair supply to th eengin eradiato ris no t
blocked, e.g. by snow, slus hor ice .
XDo no tstart th eengin eagain until th edisplay message goe sout
and th ecoolan ttemperature is belo w24 8 ‡ (120†). Other -
wise ,th eengin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
If th etemperatur eincreases again:
XVisit aqualified specialist workshop immediately.
Under normal operating condition sand wit hth especified coolan t
level, th ecoolan ttemperature may ris eto 24 8 ‡(120†) .
#
SeeOperator'sMan‐
ual
Thebattery is not being charged.
A warning tone also sounds.
Possible causes are:
Ra defective alternator
Ra torn poly-V-belt
Ra malfunction in the electronics
!Do not continue driving. The engine could otherwise overheat.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 169).
XConsult a qualified specialist workshop.
244Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
#
StopVehicl eSee
Operator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel
is to olow.
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 169).
XObserv eth einstruction sin th edisplay message #See
Operator' sManual.
XConsult aqualified specialist workshop .
4
Check Engine Oil
At NextRefueling
The engin eoil level has dropped to th eminimum level.
A warnin gtone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 298).
XIf necessary, add engin eoil (Ypage 298).
If th eengin eoil need stopping up more often:
XContac t aqualified specialist workshop and hav eth eengin e
checked.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.co m.
æ
Fuel Level Low
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.
çThere is only a very small amount of fuel in the fuel tank.
XRefuel at the nearest gas station without fail.
æ
Gas Cap Loose
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
XClose the fuel filler cap.
If the fuel filler cap is correctly closed:
XVisit a qualified specialist workshop.
Display messages245
On-board computer and displays
Z

Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
À
Attention Assist :
Take a Break!
Based on certain criteria, ATTENTION ASSIST has detecte dfatigue
or alac kof concentration on th epar tof th edriver . Awarnin gtone
also sounds.
XIf necessary, take abreak .
Durin glon gjourneys, take regular break sin goo dtime so you get
enough rest.
À
Attention Assist
Inoperative
ATTENTION ASSIST is inoperative .
XVisitaqualified specialist workshop .
ë
Off
The HOLD function is deactivated. The vehicle is skidding .
A warnin gtone also sounds.
XReactivat eth eHOLD function later (Ypage 187).
The HOLD function is deactivated. Whe nth ebrake peda lis firmly
depressed, an activation condition is no tfulfilled .
A warnin gtone also sounds.
XChec kth eactivation condition sfo rth eHOLD function
(
Ypage 187).
Lan eKeepin g
Assist Currently
Unavailable See
Operator' sManual
Lan eKeepin gAssis tis deactivated and temporarily inoperative .
Possible causes are :
Rthewindshield in th ecamera's field of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
Rthere hav ebeen no lan emarking sfo ran extended period.
Rth elan emarking sare worn, dar kor covered, e.g. by dir tor snow.
Whe nth ecauses stated abov eno longer apply, th edisplay mes -
sage disappears .
Lan eKeepin gAssis tis operational again .
If th edisplay message doe sno tdisappear:
XPull over and stop th evehicle safely as soo nas possible, payin g
attention to road and traffic conditions.
XSecur eth evehicle against rollin gaway (Ypage 169).
XClean th ewindshield .
LaneKeepin g
Assist Inoperative
LaneKeepin gAssis tis faulty.
XVisit aqualified specialist workshop .
246Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Blind SpotAssist
Currently Unavail‐
abl eSee Opera‐
tor's Manual
Blind Spot Assis tis temporarily inoperative.
Possibl ecauses are:
Rth erada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi osta-
tion sor other source sof electromagnetic radiation .
Rtherada rsensor system is outside th eoperating temperature
range.
The yello w9 indicato rlamp salso ligh tup in th eexterio rmir -
rors.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
Blind Spot Assis tis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 169).
XRestart th eengine.
Blind Spo tAssist
Inoperative
Blind Spot Assis tis defective.
The yello w9 indicato rlamp salso ligh tup in th eexterio rmir -
rors.
XVisit aqualified specialist workshop .
ParkAssist Can ‐
celed
The driver's doo ris open and th edriver's seat belt has no tbeen
fastened.
XRepea tth eparkin gprocess wit hth eseat belt fastene dand th e
driver's doo rclosed .
You hav einadvertentl ytouched th emultifunction steerin gwhee l
while steerin gintervention was active .
XWhilesteerin gintervention is active ,mak esur ethat th emulti-
function steerin gwhee lis no ttouched unintentionally.
The vehicl ehas started to skid and ES P®has intervened.
XUse Active Parking Assistagain later (Ypage 195).
Display messages247
On-board computer and displays
Z