2015 MERCEDES-BENZ C-CLASS COUPE stop start

transmission (shiftin
gmanually)
(Y page 163)
R j Activ eParking Assist (Y page 201)
R ¯ Cruise contro l(Ypage 180)
R È SPEEDTRONIC (Y page 182)
R _ Adaptive Highbea mAssist Plus
(Y page 121)
R è ECO start/sto pfunctio n(Ypage 149)
R ë HOLD functio n(Ypage 192)
R a DISTRONI CPLUSS teerin gAssist and
Stop&Go Pilo t(Y page 191)
R 120 km/h! 120 km/h! Maximum permissibl espeed
exceeded (only for certain countries) Head-up display
General notes The head-up displa
yprojects information from
the navigation syste mand the driver assistance
syste mabove the dashboard into the driver's
field of vision. Thi sallow sthe head-up displa yto
collect information withou tyou havin gtotake
your eyes off of the road.
Ar equirement for the displa yofthe contents is
tha tthe following functions ar eavailable in the
vehicl eand ar eswitched on:
R Cruise contro land SPEEDTRONIC
R DISTRONI CPLUS
R Traffi cSignA ssist
R Navigation
Important safety notes The head-up displa
yisonlyana idand is not a
substitute for attentiv edriving.
Speed limits and overtaking restrictions ar enot
always correctl ydisplayed .Traffi csigns always
have priority ove rthe Traffi cSignA ssist display.
The visibility of the head-up displa yisinfluenced
by the following conditions:
R the driver's seat position
R the positioning of the displa yimage
R the genera llig ht conditions
R sunglasse swithp olarisation filters
R We troa ds urfaces
R blocking of sunlight by objects on the display
cover In the event of extreme sunlight, sections of the
displa ymayfade .This ca nbereversed by
switching the head-up displa yoff and on again.
i Vehicles with the head-up displa
yareequip-
pe dw ithas pecial windscreen. Shoul drepairs
be necessary ,havet he windscreen replaced
at aq uali fied specialis tworkshop.
Displays and operation Switchin
gthe head-up displa yon/off X
Press button :.
When the head-up displa yisswitched on, the
displa yappears in the driver's field of vision.
Standard displays in the head-up display
Th eh ead-u pdisplay shows the following con-
tents and information: :
Navigation messages
; Current speed
= Cruise control ,SPEEDTRONIC or
DISTRONI CPLUSs etspeed
? Detected instructions and traffi csigns Displays an
doperation
235On-boardcompu tera nd displays Z

Accepting
acall If someon
ecallsy ou when you are in the Tele‐
Tele‐
phone
phone menu,adisplay message appear sinthe
multifunction display.
You can accept acall at any time, eve nifyou are
no tint heTelephone
Telephone menu.
X Press the 6buttonont hesteering wheel
to accept an incoming call.
Rejecting or ending acall You can en
dorrejectac all at any time eve nif
you are no tintheTelephone Telephone menu.
X Press the ~buttonont hesteering wheel
to rejec torendan incoming call.
Selecting an entry in th ephone book X
Press òon thesteering whee ltoo pen the
men ulist.
X Press :or9 on thesteering whee lto
select the Telephone
Telephone menu.
X Confir mbyp ressing aon thesteering
wheel.
X Press :, 9ora to switch to the
phone book.
X Press :or9 to select th enames one
after th eother.
or X To star trap id scrolling: press and hold :
or 9 for longer than on esecond.
The names in th ephone book are displayed
quickl yone after th eother.
If you press and hold the :or9 button
for longer than fiv eseconds, th ename
appear switht he next or previous lette rinitial
lette rint healphabet.
Rapid scrollin gstops when you release the
butto norr eachthe endoft helist.
X If only one telephone number is store
dfor
an ame: press the 6ora buttonto
start dialling.
or
X If there is mor
ethano ne number for a
particular name: press the6ora
butto ntod isplay th enumbers.
X Press :or9 to select th enumber you
want to dial.
X Press the 6ora buttontos tart dial-
ling. or
X To exit th etelephone book: press the~
or % button.
Redialling The on-board computer saves th
elast names or
number sdialle dint heredial memory.
X Press òon thesteering whee ltoo pen the
men ulist.
X Press :or9 on thesteering whee lto
select the Telephone
Telephone menu.
X Confir mbyp ressing aon thesteering
wheel.
X Press the 6buttontos witch to th eredial
memory.
X Press :or9 to select th edesired
nam eorn umber.
X Press the 6ora buttontos tart dial-
ling.
or X To exit th eredial memory: press the~
or % button. Assistance graphic menu
X
Press òon thesteering whee ltoo pen the
men ulist.
X Press :or9 on thesteering whee lto
select the Assistanc egraphic
Assistanc egraphic menu.
X Confir mbyp ressing aon thesteering
wheel.
The multifunction display shows the
DISTRONI CPLUSd istanc edisplay in the
assistanc egraphic.
The assistanc egraphic shows you th estatus
of and/o rinformation from th efollowin gdriv-
ing systems or drivin gsafet ysystems: Menu
sand sub menus
243On-boardcomputer an ddisplays Z

RACETIMER
Displaying and startin
gthe RACETIMER :
Lap
; RACETIMER
The RACETIMER is only intended for us eona
closed race circuit. Do not us ethe function on
public roads.
Yo uc an star tthe RACETIMER when the engine is
running or if the key is in position 2in the ignition
lock.
X Use ò on the steering wheel to cal lupthe
list of menus.
X Press the :or9 button on the steering
wheel to select the AMG
AMG menu.
X Confirm by pressing aon the steering
wheel.
X Press the :or9 button repeatedly
unti lthe RACETIMER is shown.
X To start: press the abutton to star tthe
RACETIMER.
Startin ganewlap :
Lap
; RACETIMER
= Quickest la ptime X
Press the :or9 button to select New New
Lap Lap.
X Press ato confirm.
Am aximum of 32 laps may be stored.
Stoppin gthe RACETIMER X
Press :or9 to select Stop
Stop.
X Press ato confirm.
Continuin gthe RACETIMER X
Press :or9 to select Continue
Continue .
X Press ato confirm.
Resetting the RACETIMER Menus and submenus
251On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions T!
÷
inoperative inoperative See
SeeOwn‐
Own‐
er' sM anual
er' sM anual EB
D( electronic brak eforce distribution), AB Sand ESP ®
are faulty.
Other drivin gand drivin gsafet ysystems may also be faulty.
In addition ,the ÷ and! warning lamp sligh tupint heinstru-
men tcluste rand aw arning tone sounds.
G WARNING
The brak esystem continues to function normally, but without the
function slisted above. The fron tand rear wheels could therefor elock,
for example, if you brak ehard.
The steerabilit yand braking characteristics may be severely affected.
The braking distanc emay increas einanemergenc ybraking situation.
If ESP ®
is no toperational, ESP ®
is unable to stabilis ethe vehicle.
There is an increased danger of skiddin gand ris kofana ccident.
X Drive on carefully.
X Consult aqualified specialist workshop immediately. J
Brake immediately Brake immediately Vehicles wit
hmanual transmission :amalfunction has occurred while
th eH OLDf unction was activated.
At onem ay also soun datregular intervals. If you attemp ttolockt he
vehicle, th etoneb ecome slouder.
You canno tstart th eengine.
X Payin gattention to th etraffic situation ,immediately depress the
brak epedal firmly and hold until th edisplay message disappears.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
You can restar tthe engine. !
Tur
nont he igni‐
Tur nont he igni‐
tion tion to
torelease
release the
the
parkin gbrake
parkin gbrake The red
!indicator lamp lights up.
You attempte dtorelease th eelectric parking brak ewhile th eignition
was switched off.
X Switc hthe ignition on. !
Releas
eparking
Releas eparking
brake brake The red
!indicator lamp flashes and awarning tone sounds. A
condition for automatic release of th eelectric parking brak eisnot
fulfilled (Y page 174).
You are drivin gwitht he electric parking brak eapplied.
X Releas ethe electric parking brak emanually. The red
!indicator lamp flashes and awarning tone sounds.
You are making an emergenc ystopu singthe electric parking brake
(Y page 174). 256
Display
messagesOn-boardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions !
Parkin
gbrake inop‐
Parkin gbrake inop‐
erative erative The yellow
!warning lamp lights up. The red !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.
X Rectify th ecaus eoft heovervoltage or undervoltage, e.g. by charg-
ing th ebattery or restarting th eengine.
X Apply or release th eelectric parking brake.
If th eelectric parking brak estill canno tbeappliedorr eleased:
X Switc hoff th eignition and tur nitbacko n.
X Apply or release th eelectric parking brake.
If th eelectric parking brak estill canno tbereleased:
X Consult aqualified specialist workshop.
If it is still no tpossibl etoapply th eelectric parking brake:
X Consult aqualified specialist workshop. The yellow
!warning lamp lights up and th ered ! indicator
lamp flashes.
It is no tpossibl etoapply th eelectric parking brak emanually.
X Vehicles wit hmanua ltra nsmission: engage first gear.
X Vehicles wit hautomatic transmission: shift thetransmission to
position P.
X Consult aqualified specialist workshop. J
Check brake fluid Check brake fluid
level level There is insufficien
tbrak efluid in th ebrak efluid reservoir.
In addition ,the red J warning lamp lights up in th einstrument
cluste rand aw arning tone sounds.
G WARNING
Braking efficiency may be impaired.
There is ariskofana ccident.
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions. Do no tcontinue driving
under any circumstances.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
X Consult aqualified specialist workshop.
X Do no ttop up th ebrak efluid .This does no tcorrect thef ault. #
Check Check
brake
brakepad
padwear
wear The brak
epads/linings hav ereached their wear limit.
X Consult aqualified specialist workshop. G
Inoperative Inoperative On
eorm orem ain features of th eMercedes-Ben zContac tsystem are
malfunctioning.
X Consult aqualified specialist workshop. Display
messages
259On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions Collision Preven‐
Collision Preven‐
tio
nA ssist Plus
tio nA ssist Plus
currently unavaila‐ currently unavaila‐
ble ble See
SeeOwner's
Owner's Man‐
Man‐
ual
ual COLLISION PREVENTION ASSIST PLU
Sistemporarily inoperative.
Possibl ecauses:
R ther adar sensor system is temporarily inoperative, e.g. due to elec-
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation
R thes ystem is outside th eoperating temperature range
R theo n-bo ardv oltag eistoolow.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout.
COLLISION PREVENTION ASSIST PLU Sisoperational again.
If th edisplay message does no tdisappear:
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
X Restart th eengine. Collision Preven‐
Collision Preven‐
tio
nA ssist Plus
tio nA ssist Plus
inoperative inoperative COLLISION PREVENTION ASSIST PLU
Sistemporarily inoperative due
to am alfunction .Adaptive Brake Assis tmay also hav efailed.
X Consult aqualified specialist workshop immediately. PRE-SAFE inopera‐
PRE-SAFE inopera‐
tiv
eS ee Owner's
tiv eS ee Owner's
Manual Manual Importan
tPRE-SAFE ®
function shavef ailed. Al lother occupant safety
systems ,e.g.a irbags, remain available.
X Consult aqualified specialist workshop immediately. PRE-SAFE Functions
PRE-SAFE Functions
currently limited currently limited
See Owner'
sManual
See Owner' sManual PRE
‑SAFE ®
PLU SorP RE‑SAFE ®
Brake is temporarily inoperative.
Possibl ecauses:
R thef unction is impaire ddue to heav yrain or snow
R ther adar sensor system is temporarily inoperative, e.g. due to elec-
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation
R Mercedes-AMG vehicles: ESP ®
is deactivated
R thes ystem is outside th eoperating temperature range
R theo n-bo ardv oltag eistoolow.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout.
PRE ‑SAFE ®
PLU Sand PRE ‑SAFE®
Brake are operational again.
If th edisplay message does no tdisappear:
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
X Restart th eengine.
X Mercedes-AMG vehicles: reactivat eESP®
(Y page 73). 260
Display
messagesOn-boardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions PRE-SAFE Functions
PRE-SAFE Functions
limited limited
See
SeeOwner's
Owner's
Manual
Manual PRE
‑SAFE ®
PLU SorP RE‑SAFE ®
Brake is unavailable due to amal-
function .BAS PLU SwithC ross-Traffic Assis tmay also hav efailed.
X Consult aqualified specialist workshop immediately. Radar
Radar
sensors
sensors dirty
dirty
See Owner' sManual
See Owner' sManual At least on
eofthefollowin gdrivin gsystems or drivin gsafet ysystems
is temporarily restricted or inoperative:
R PRE-SAFE ®
PLUS
R PRE-SAFE ®
Brake
R COLLISION PREVENTION ASSIST PLUS
R Active Lan eKeepin gAssist
R Active Blind Spot Assist
R DISTRONI CPLUSw ithS teering Assis tand Stop&Go Pilot
If th eradar sensor system in fron tisdirty, Active Blind Spot Assis twill
no tp erfor mac ourse-correcting brak eapplication.
Possibl ecauses:
R thes ensor sintheradiato rtrima nd/o rinthebumpers are dirty
R thef unction of th edrivin gsystem or drivin gsafet ysystem is
impaire ddue to heav yrain or snow
Aw arning tone also sounds.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout.A lldrivin gsystems or drivin gsafet ysystems are operative
again.
If th edisplay message does no tdisappear:
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
X Switc hoff th eengine.
X Clean th esensor s(Ypage 330) in th efollowin glocations:
R in th eradiato rtrim
R in th efront bumper
R in th erear bumper, particularly in th emiddle of th erear bumper
X Restart th eengine.
The display message disappears. 6
Restraint sys
.mal‐
Restraint sys .mal‐
function Consult function Consult
workshop workshop The restrain
tsystem is faulty. The 6warning lamp also lights up in
th ei nstrumen tcluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in th eevent of an accident, may no tbetriggered.
This poses an increased ris kofinjury.
X Consult aqualified specialist workshop immediately.
Fo rfurther information about th erestrain tsystem, see (Y page 39). Display
messages
261On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions b
Switch on headlamps Switch on headlamps You are drivin
gwithout dipped-beam headlamps.
X Turn th eligh tswitch to the Lorà position. Adaptive Highbeam
Adaptive Highbeam
Assist Plu
sinoper‐
Assist Plu sinoper‐
ative ative Adaptive Highbea
mAssistisf aulty.
X Consult aqualified specialist workshop. Adaptive Highbeam
Adaptive Highbeam
Assist Plu
scur‐
Assist Plu scur‐
rently unavailable rently unavailable
See Owner' sManual
See Owner' sManual Adaptive Highbea
mAssistP lus is deactivated and temporarily inop-
erative .Possibl ecauses:
R thew indscree nisdirty in th ecamera' sfield of vision
R visibilit yisimpaire ddue to heav yrain ,sno worf og
X Clean th ewindscreen.
If th esystem detects that th ecamera is full yoperational, the Adap‐
Adap‐
tiv eH ighbeam Assist Plu savailable again
tiv eH ighbeam Assist Plu savailable again display message
is shown.
Adaptive Highbea mAssistP lus is operational again. Engine
Display messages
Possible causes/consequences and
M MSolutions +
Top up coolan
tSee
Top up coolan tSee
Owner’ sManual
Owner’ sManual The coolan
tlevel is to olow.
! Avoid making lon
gjou rneys wit htoo littl ecoolan tint heengine
coolin gsystem. The engin ewill otherwise be damaged.
X Top up th ecoolant, observing th ewarning note sbefore doin gso
( Ypage 324).
If you have to top up th ecoolant frequently:
X Contac taqualified specialist workshop and hav ethe engin ecooling
system checked. ? The fan motor is faulty.
X If th ecoolan ttem perature is belo w120†, you can continu edriving
to th eneares tqualified specialist workshop.
X Avoid heav yloads on th eengineasy ou do so, e.g. drivin ginmoun-
tainous terrain and stop-start traffic. 266
Display
messagesOn-boardcomputer an ddisplays