MERCEDES-BENZ C-Class SEDAN 2016 W205 Owner's Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2016, Model line: C-Class SEDAN, Model: MERCEDES-BENZ C-Class SEDAN 2016 W205Pages: 398, PDF Size: 9.57 MB
Page 261 of 398
Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp and th ered F (USAonly) or !
(Canada only) indicator lamp ligh tup.
The electric parking brak eis malfunctioning .
To release:
XSwitc hoff th eignition and tur nit bac kon .
XReleas eth eelectric parking brak emanually.
or
XReleas eth eelectric parking brak eautomatically (Ypage 178).
If th eelectric parking brak estill canno tbe released:
XDo no tdrive on .
XConsult aqualified specialist workshop .
The redF(USAonly) or !(Canada only) indicator lamp flashes
and th eyellow !warning lamp lights up.
The electric parking brak eis malfunctioning .
To release:
XSwitc hoff th eignition and tur nit bac kon .
XReleas eth eelectric parking brak emanually.
To apply :
XSwitchoff th eignition and tur nit bac kon .
XApply th eelectric parking brak emanually.
If th ered F (USAonly) or !(Canada only) indicator lamp con-
tinue sto flash:
XDo no tdrive on .
XSecureth evehicl eagainst rollin gaway (Ypage 380).
XShift th etransmission to position P.
XTurn thefron twheels toward sth ecurb.
XConsult aqualified specialist workshop .
Display messages259
On-board computer and displays
Z
Page 262 of 398
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 dor released. It then
goe sout or remain slit .
The electric parking brak eis malfunctioning .
XSwitchoff th eignition and tur nit bac kon .
XApply th eelectric parking brake.
If it is no tpossibl eto engage th eelectric parking brake:
XShift th etransmission to position P.
XVisitaqualified specialist workshop .
If it is no tpossibl eto release th eelectric parking brak emanually:
XReleas eth eelectric parking brak eautomatically (Ypage 178).
If th eelectric parking brak estill canno tbe released:
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 eis malfunctioning .It is no tpossibl eto apply
th eelectric parking brak emanually.
XShift th eselector lever to P,as th eelectric parking brak eis no t
applie dautomatically.
XVisit aqualified specialist workshop .
If it is no tpossibl eto release th eelectric parking brak emanually:
XReleas eth eelectric parking brak eautomatically (Ypage 178).
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 dor released. It then
goe sout or remain slit .
The electric parking brak eis malfunctioning ,e.g. because of over-
voltag eor undervoltage.
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 nit bac kon .
XEngage or release th eelectric parking brake.
If th eelectric parking brak estill canno tbe released:
XConsult aqualified specialist workshop .
If th eelectric parking brak estill canno tbe applied:
XVisit aqualified specialist workshop .
260Display messages
On-board computer and displays
Page 263 of 398
Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp lights up and th ered F (USAonly)
or ! (Canada only) indicator lamp flashes .
It is no tpossibl eto apply th eelectric parking brak emanually.
XShift th etransmission to position P.
XVisitaqualified specialist workshop .
$(USA
only)
J( Canada
only)
Check Brake Fluid
Level
There is no tenough brak eflui din th ebrak efluid reservoir .
In addition ,th e$ (USAonly) or J(Canada only) warning lamp
lights up in th einstrumen tcluste rand awarning tone sounds.
GWARNIN G
The braking effec tmay be impaired.
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinu edrivin g
under any circumstances.
XSecur eth evehicl eagainst rollin gaway (Ypage 177).
XConsult aqualified specialist workshop .
XDo notadd brak efluid .This does no tcorrec tth emalfunction .
#
CheckBrakePadWear
The brak epads/linings hav ereached their wear limit.
US Aonly: th e$ red brak esystem warning lamp is lit while th e
engin eis running.
XVisit aqualified specialist workshop .
G
Inoperative
Oneor mor emain features of th embrace system are malfunctioning .
XVisitaqualified specialist workshop .
Collision Preven‐tionAssist Plu sCurrently Unavaila‐ble See Operator' sManual
COLLISION PREVENTION ASSIST PLU Sis temporarily no toperational.
Possibl ecauses are:
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
COLLISION PREVENTION ASSIST PLU Sis 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 177).
XRestart th eengine.
Display messages26 1
On-board computer and displays
Z
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Display messagesPossible causes/consequences andMSolutions
Collision Preven‐tionAssist Plu sInoperative
COLLISION PREVENTION ASSIST PLU Sis temporarily inoperative due
to amalfunction .Adaptive Brake Assis tmay also hav efailed.
XVisit aqualified specialist workshop immediately.
PRE-SAFE Inopera‐tiv eSeeOperator' sManual
Importantfunction sof PRE-SAF E®havefailed. Al lother occupant
safet ysystems ,e.g. air bags ,remain available.
XVisit aqualified specialist workshop immediately.
PRE-SAFE FunctionsCurrently Limite dSee Operator'sMan ‐ual
PRE ‑S AF E®PLU Sor PRE‑SAFE®Brake is temporarily inoperative.
Possibl ecauses are:
Rfunction is impaire ddue to heav yrain or snow.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
RMercedes-AMG vehicles: ES P®is deactivated
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
PRE ‑S AF E
®PLU Sand PRE ‑S AF E®Brake are 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 177).
XRestart th eengine.
XMercedes-AMG vehicles: switch ES P®on again(Ypage 74).
PRE-SAFE FunctionsLimitedSee Opera‐tor's Manual
PRE ‑S AF E®PLU Sor PRE‑SAFE®Brake is unavailable due to amal-
function .BA SPLU Swit hCross-Traffic Assis tmay also hav efailed.
XVisit aqualified specialist workshop immediately.
262Display messages
On-board computer and displays
Page 265 of 398
Display messagesPossible causes/consequences andMSolutions
RadarSensorsDirtySee Operator' sMan ‐ual
At least on eof th efollowin gdrivin gsystems or drivin gsafet ysystems
is temporarily restricted or inoperative:
RPRE-SAF E®PLUS
RPRE-SAF E®Brake
RCOLLISION PREVENTION ASSIST PLU S
RActive LaneKeepin gAssis t
RActive Blind Spot Assis t
RDISTRONICPLU Swit hSteering Assis tand Stop&Go Pilo t
If th eradar sensor system in fron tis dirty, Active Blind Spot Assis twill
no tperfor m acourse-correcting brak eapplication .
Possibl ecauses are:
Rth esensor sin th eradiato rtrim and/o rin th ebumpers are dirty
Rth efunction of th edrivin gsystem or drivin gsafet ysystem is
impaire ddue to heav yrain or snow
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears. Al ldrivin gsystems or drivin gsafet ysystems are operative
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 177).
XSwitchoff th eengine.
XClean th esensor sin th efollowin glocation s (Ypage 339):
Rin theradiato rtrim
Rin th efron tbumper
Rin th erear bumper, particularly in th emiddle of th erear bumper
XRestart th eengine.
The display message disappears.
6
SRSMalfunctionSer ‐viceRequired
The restrain tsystem is faulty. The 6warning lamp also lights up in
th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
Fo rfurther information about th erestrain tsystem, see (
Ypage 46).
Display messages263
On-board computer and displays
Z
Page 266 of 398
Display messagesPossible causes/consequences andMSolutions
6
Front LeftMalfunc‐tio nServic eRequiredorFrontRight MalfunctionServic eRequired
The restrain tsystem has malfunctioned at th efron ton th elef tor right .
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Rea rLef tMalfunc‐tio nServic eRequiredorRea rRight MalfunctionServic eRequired
The rear left-han dor right-hand restrain tsystem has malfunctioned.
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Rea rCenterMalfunc‐tionServic eRequired
The rear center restrain tsystem has malfunctioned. The 6warning
lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Lef tSid eCurtai nAirbag MalfunctionServiceRequiredor
Right Sid eCurtai n
Airbag MalfunctionServiceRequired
There is amalfunction in th eleft-han dor right-hand window curtai nair
bag. The 6warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The lef tor right window curtai nair bag may either be triggered unin-
tentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
264Display messages
On-board computer and displays
Page 267 of 398
Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Disabled SeeOperator' sManual
The front-passenger air bag is deactivated during th ejourney, eve n
though :
Ran adult
or
Raperson of th ecorrespondin gstatur eis on th efront-passenger seat
If additional force sare applie dto th eseat ,th esystem may interpret
th eoccupant's weigh tas lower than it actually is.
GWARNIN G
The front-passenger air bag does no tdeploy during an accident.
There is an increased ris kof injury.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 177).
XSwitchth eignition off .
XHaveth eoccupant get out of th evehicle.
XKee pth eseat unoccupied ,close th efront-passenger door and
switch on th eignition .
XObserveth ePASSENGER AI RBA Gindicator lamp sin th ecenter
console and th emultifunction display and chec kth efollowing:
Seat unoccupied and ignition switched on :
Raself-diagnosis is carrie dout .The PASSENGER AI RBA GOF Fand
PASSENGER AI RBA GON indicator lamp smus tligh tup simulta-
neousl yfor approximately six seconds
Rth ePASSENGER AI RBA GOF Findicator lamp mus tthen ligh tup
and remain lit after th eself -diagnosis .If th eindicator lamp is on ,
OCS (Occupant Classification System) has disabled th efront-
passenger fron tair bag (
Ypage 54 )
Rthedisplay message sFront Passenger Airbag Enable dSee Operator'sManualor Front Passenger Airbag Dis ‐abled See Operator'sManualmus tno tappear in th emulti-
function display
XWait for aperiod of at least 60 seconds until th enecessar ysystem
checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappear in th emulti-
function display.
If these condition sare fulfilled ,th efront-passenger seat can be occu-
pied again .Whether th ePASSENGER AI RBA GOF For ON indicator
lamp remain slit or goe sout depend son how OCS classifies th eoccu-
pant.
If th econdition sare no tfulfilled ,th esystem is no toperating correctly.
XVisit aqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 54).
Display messages26 5
On-board computer and displays
Z
Page 268 of 398
Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable dSeeOperator' sManual
The front-passenger air bag is enabled during th ejourney, eve n
though :
Rachild, asmall adult or an objec tweighing less than th esystem' s
weigh tthreshold is locate don th efront-passenger seat
or
Rth efront-passenger seat is unoccupied
The system may detec tobjects or force sapplyin gadditional weigh ton
th eseat .
GWARNIN G
The air bag may deploy unintentionally.
There is an increased ris kof injury.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 177).
XSwitchth eignition off .
XOpenth efront-passenger door .
XRemove thechild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethat there are no objects on th eseat addin gto th e
weight.
The system may otherwise detec tth eadditional weigh tand inter-
pre tth eseat occupant's weigh tas greate rthan it actually is.
XKee pth eseat unoccupied ,close th efront-passenger door and
switch on th eignition .
XObserveth ePASSENGER AI RBA Gindicator lamp sin th ecenter
console and th emultifunction display and chec kth efollowing:
Seat unoccupied and ignition switche
d on
:
Raself-diagnosis is carrie dout .The PASSENGER AI RBA GOF Fand
PASSENGER AI RBA GON indicator lamp smus tligh tup simulta-
neousl yfor approximately six seconds
Rth ePASSENGER AI RBA GOF Findicator lamp mus tthen ligh tup
and remain lit after th eself-diagnosis .If th eindicator lamp is on ,
OCS has disabled th efront-passenger fron tair bag (
Ypage 54)
Rthedisplay message sFront Passenger Airbag Enable dSee Operator'sManualor Front Passenger Airbag Dis ‐abled See Operator'sManualmus tno tappear in th emulti-
function display
XWait for aperiod of at least 60 seconds until th enecessar ysystem
checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappear in th emulti-
function display.
If these condition sare fulfilled ,th efront-passenger seat can be occu-
pied again .Whether th ePASSENGER AI RBA GOF For ON indicator
lamp remain slit or goe sout depend son how OCS classifies th eoccu-
pant.
If th econdition sare no tfulfilled ,th esystem is no toperating correctly.
266Display messages
On-board computer and displays
Page 269 of 398
Display messagesPossible causes/consequences andMSolutions
XVisitaqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 54).
Lights
Display messagesPossible causes/consequences and MSolutions
b
CheckLeftLowBeam(Example)
The correspondin gbulb is faulty.
XVisit aqualified specialist workshop .
or
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 122).
iLE Dligh tsources: th edisplay message for th ecorrespondin g
lamp only appear swhen all th eLEDs in th elamp hav efailed.
b
Active HeadlampsInoperative
The active ligh tfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction SeeOperator’sManual
The exterio rlighting is defective.
XVisit aqualified specialist workshop .
b
AutoLam pFunctionInoperative
The ligh tsensor is faulty.
XVisit aqualified specialist workshop .
b
Switch Off Lights
You leaveth evehicl eand th elights are switched on . Awarning tone
also sounds.
XTurn th eligh tswitch to th eà position .
b
Switch On Headlamps
You are drivin gwit hlow-beam headlamp sswitched off .
XTurn theligh tswitch to th eL orà position .
Display messages267
On-board computer and displays
Z
Page 270 of 398
Display messagesPossible causes/consequences andMSolutions
Adaptive HighbeamAssist InoperativeAdaptive HighbeamAssis tis faulty.
XVisit aqualified specialist workshop .
Adaptive HighbeamAssist CurrentlyUnavailable SeeOperator'sManual
Adaptive Highbea mAssis tis deactivated and temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
XClean thewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive
HighbeamAssistNowAvailablemessage is displayed.
Adaptive Highbea mAssis tis operational again .
Engine
Display messagesPossible causes/consequences and MSolutions
+
CheckCoolantLevelSee Operator' sMan ‐ual
The coolan tlevel is to olow.
!Avoid making lon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observing th ewarning note sbefore doin gso
(Ypage 333).
If you have to ad dcoolant frequently:
XContac t aqualified specialist workshop and hav eth eengin ecoolin g
system checked.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8‡( 120 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic.
268Display messages
On-board computer and displays