2015 MERCEDES-BENZ C-CLASS COUPE engine

R
DISTRONI CPLUS(Ypage 184)
R Traffi cSignA ssist (Y page 216)
R Distance warning functio nand autono-
mou sbraking system of COLLISION PRE-
VENTION ASSIST PLU S(Ypage 69)
R PRE-SAFE ®
Brake (Y page 75)
R Blind Spo tAssist (Y page 218 )orActive
Blind Spo tAssist (Y page 221)
R ATTENTION ASSIST (Y page 215)
R Lane Keeping Assist (Y page 219)orActive
Lane Keeping Assist (Y page223)
X Press :to display the ATTENTION ASSIST
assessment. Servic
emenu
Introduction Depending on the equipment fitted in the vehi-
cle, you have the following options in the Ser‐
Ser‐
vice
vice menu:
R Calling up display messages in the message
memory (Y page253)
R Restarting the tyre pressure loss warning sys-
tem (Y page358) or checking the tyre pres-
sure electronically (Y page360)
R Calling up the service due date
(Y page3 25)
R Displaying the AdBlue ®
level and range
(Y page2 44) (BlueTEC vehicles only)
Displayin gthe AdBlue ®
level and range The
AdBlue
AdBlue menu is only available in BlueTEC
vehicles.
X Press òon the steering whee ltoopen the
menu list.
X Press :or9 on the steering whee lto
select the Service
Service menu.
X Confirm by pressing aon the steering
wheel.
X Press :or9 to select the AdBlue AdBlue
submenu.
X Press ato confirm yours election.
The range and AdBlue ®
level appear in abar
grap hint he multifunction display.
Observe the informatio nand notes on "Refuel-
ling" (Y page169). Setting
smenu
Introduction Depending on the equipment fitted in the vehi-
cle, you have the following options in the
Set‐ Set‐
tings
tings menu:
R Changing assistance settings (Y page244)
R Changing head-up display settings
(Y page2 46)
R Changing the light settings (Y page247)
R Changing the instrument cluster settings
(Y page2 48)
R Changing the vehicl esettings (Y page248)
R Restoring the factory settings (Y page249)
Assistanc esubmenu Deactivating/activating ESP
®
Observe the "Important safety notes" section in the description of ESP ®
(Y page7 2). G
WARNING
If you deactivate ESP ®
,E SP ®
no longer sta-
bilises the vehicle. There is an increase drisk
of skidding and an accident.
Only deactivate ESP ®
in the situations descri-
bed in the following.
It may be best to deactivate ESP ®
in the follow-
ing situations:
R when using snow chains
R in deep snow
R on sand or gravel
Deactivating/activating ESP ®
on Mercedes-
AMG vehicles (Y page73).
For further informatio nabout ESP ®
,s ee
(Y page7 1).
X Start the engine.
X Press òon the steering whee ltoopen the
menu list.
X Press :or9 on the steering whee lto
select the Settings
Settings menu.
X Confirm by pressing aon the steering
wheel.
X Press :or9 to select the Assistance Assistance
submenu.
X Press ato confirm.
X Select ESP
ESPwith : or9. 244
Menus and submenusOn-board computer and displays

X
Press :or9 to adjust permanent
SPEEDTRONIC in increments of ten ( 240
240km/
km/
h
h to 160
160 km/h
km/h). The Off
Offsetting switches per-
manent SPEEDTRONIC off.
X Press the abutton to store the entry.
For further information on permanen tSPEED-
TRONIC (Y page 184).
Restoring the factor ysettings X
Press the òbutton on the steerin gwheel
to open the menu list.
X Press :or9 on the steerin gwheel to
select the Settings
Settings menu.
X Confirm by pressing aon the steering
wheel.
X Press :or9 to select the Factory
Factory
settings
settings submenu.
X Press ato confirm.
The Reset all settings?
Reset all settings? function
appears.
X Press :or9 to select No
NoorYes
Yes.
X Press the abutton to confirm the selec-
tion.
If you have selected Yes
Yes,t he multifunction
display shows aconfirmation message.
For safety reasons, not all functions will be
reset: the Limit speed (winter tyres)
Limit speed (winter tyres) per-
manent SPEEDTRONIC function can only be set
in the Vehicle
Vehicle submenu. AMG menu (Mercedes-AMG vehicles)
WARMUP :
Digital speedometer
; Gear indicator
= Charge-air pressure ?
Engine oil temperature
A Transmission oil temperature
X Press the òbutton on the steerin gwheel
to open the menu list.
X Press :or9 on the steerin gwheel to
select the AMG AMGmenu.
X Confirm by pressing aon the steering
wheel.
Engine and transmission oil tempera-
tures: when the engine and transmission are
at normal operating temperature, oil temper-
atures ?and Aare displayed in white in the
multifunction display.
If the multifunction display shows oil temper- ature ?orA in blue, the engine or the
transmission are not yet at normal operating
temperature. Avoid using the full output of the engine during this time.
Traffic Sign Assist display X
Switc hont he display function for notes and
traffic signs (Y page 245).
X Press the òbutton on the steerin gwheel
to open the menu list.
X Press the :or9 button on the steering
wheel to select the AMG AMGmenu.
X Confirm by pressing aon the steering
wheel.
X Press the 9button repeatedly until Traffic
Sign Assist appears. Menus and submenus
249On-board computer and displays 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