2015 MERCEDES-BENZ C-CLASS COUPE Owners Manual

Both can be obtained at
aquali fied specialist
workshop.
Fitting the adapter !
Make sur
ethat there is sufficient cable play
so that the cable cannot become detached
whe ncornering.
! Remove the installed adapter cable before
folding in the ball coupling. Otherwise, dam-
ag em ay occu rtothe rea rbum pera nd the
adapter cable. X
Ope nthe socket cover.
X Insert the plug connector with lug :into
groove =on the socket.
X Turn bayonet connection ;around clock-
wise to the stop.
X Let the cover engage.
X If yo uare using an adapter cable, secure the
cable to the trailer with cable ties. 230
Towingat
railerDrivingand parking

Problems with trailer towing
Problem
Possible causes/consequences and
M
MSolutions The unlocked ball cou-
pling cannot be
engaged. X
Consult aqualified specialist workshop. The ball coupling does
not unlock, even though:
R the vehicle is station-
ary
R no trailer cable is con-
nected
R the release button to
unlock the ball cou-
pling has been pulled
for more than asec-
ond The on-board voltage is insufficient.
X Start the engine.
If the ball coupling still does not unlock: X Consult aqualified specialist workshop. Towing
atrailer
231Driving and parking Z

Important safety notes
G
WARNING
Operating th eintegrate dinformation systems
and communication sequipmen tinthevehicle
while driving will distrac tyou from traffic con-
ditions. You could then lose control of the
vehicle. Ther eisariskofana ccident.
Only operate these device sifroad traffic con-
dition spermit .Ifyou are unsure about the
surroundin gconditi ons, pull ove rtoasafe
location and mak eentrie sonlyw hile th evehi-
cle is stationary.
You must observ ethe legal requirements for the
country in whic hyou are currentl ydriving when
operating th eon-bo ard computer. G
WARNING
If th einstrumen tcluste rhas faile dormal-
functioned, you may no trecognise function
restriction srelevan ttosafety. The operating
safet yofy our vehicl emay be impaired .There
is ar iskofana ccident.
Drive on carefully. Hav ethe vehicl echecked
at aq ualified specialist workshop immedi-
ately.
If th eoperating safet yofyour vehicl eis
impaired ,park th evehicl esafely as soo naspos-
sible .Contac taqualified specialist workshop.
The on-board computer only shows message sor
warning sfromc ertai nsystems in th emultifunc-
tion display. You should therefor emakes ure
your vehicl eisoperating safely at all times.
Fo rano verview, see th einstrumen tcluste rillus-
tration (Y page 32). Display
sand operation Instrumen
tcluster lighting The lighting in th
einstrumen tcluster, in th edis-
plays and th econtrols in thevehicl einterior can
be adjusted usin gbrightness control knob :.
X Turn brightness control knob :up or down.
If you tur nthe ligh tswitch (Y page 118) to the
T, ÃorL position ,the brightness
will depend upon th ebrightness of th eambi-
en tlight.
i The ligh
tsensor in th einstrumen tcluster
automatically control sthe brightness of the
multifunction display.
In daylight, th edisplays in th einstrument
cluste rare lit .Adimming function is no tpos-
sible in daylight. Speedometer with segments
The speedometer is divided int osegments on
Mercedes-AM Gvehicles or vehicles with
DISTRONI CPLUS.
The segments in th espeedometer indicate
whic hspee drange is available.
R Cruis econtro lactivated (Y page 180):
The segments ligh tupfromt hestore dspeed
to th etype-tested maximum speed.
R Variable SPEEDTRONI Cactivated
(Y page 182):
The segments ligh tupfromt hestart of the
scale to th eselected limi tspeed.
R DISTRONI CPLUSa ctivated (Y page 184):
On eort wo segments in th eset spee drange
ligh tup.
R DISTRONI CPLUSd etects avehicl einf ront
moving mor eslowly than th estoreds peed: 232
Display
sand operationOn-boar dcomputer and displays

The segment
sbetween the speed of the vehi-
cle in front and the stored speed light up. Rev counter
! Do not drive in the overrevving range. Doing
so will damage the engine.
The red band in the rev counter indicates the
engine's overrevving range.
The fuel supply is interrupted to protec tthe
engine when the red band is reached. Outside temperature display
You should pay special attention to road condi-
tions when temperatures are around freezing
point.
Bear in mind that the outside temperature dis-
play indicates the measured air temperature
and not the road surface temperature.
The outside temperature display is in the multi-
function display (Y page 234).
Changes in the outside temperature are dis-
played after ashort delay. Coolant temperature gauge
G
WARNING
If you open the bonnet while the engine is
overheatin gorwhile there is afire in the
engine compartment,y ou could come into
contact with hot gases or other leaking ser-
vice products. There is adanger of injury.
Allow an overheatin gengine to cool down
before opening the bonnet .Ifthere is afire in
the engine compartment,l eave the bonnet
closed and notify the fire brigade.
The multifunction display shows the coolant
temperature gauge in the lower section of the
rev counter (Y page 32).
At high outside temperatures and when driving
uphill, the coolant temperature may rise to the
end of the scale.
Under normal operating conditions and with the
specified coolant level, the coolant temperature may rise to 120 †. Operating the on-board computer
:
Multifunction display
; Right control panel
= Left control panel
X To activat ethe on-board computer: turn
the key to position 1in the ignition lock.
Vehicles with manual transmission: if you
remove the key, then quickly re-insert it and turn
to position 1,the instrument cluster and, as a
result, the on-board computer as well, are not
activated.
You can control the multifunction display and
the settings in the on-board computer using the button sonthe multifunction steerin gwheel.
Left control panel ò R
Opens the menu list 9
: Press briefly:
R Scrolls through lists
R Select samenu or function
R In the Radio Radio orMedia
Media menu:
opens the track or station list and
selects astation ,anaudio track or
av ideo scene
R In the Telephone Telephone menu: switches
to the phone book and selects a
name or atelephone number Displays and operation
233On-board computer and displays Z

9
: Press and hold:
R
Scrolls quickly through all lists
R In the Radio Radio orMedia Media menu:
selects astation, audio track or
video scene using rapid scrolling
R In the Telephone
Telephone menu: starts
rapid scrolling if the phone book is open a R
In all menus: confirmst he selected
entryint he list
R In the Radio
Radio orMedia
Media menu:
opens the list of available radio
sources or media
R In the Telephone Telephone menu: switches
to the phone book and starts dial-
ling the selected number ñ R
Vehicles with Audio 20:
Switches off voice-operated con-
trol for navigation (see manufac-
turer's operating instructions)
R Vehicles with COMAND Online:
Switches off LINGUATRONIC (see
the separate operating instruc-
tions) % Press briefly:
R Back
R In the Radio Radio orMedia
Media menu: dese-
lects the track or station list or list
of available radio sources or media
R Hides display messages
R Exitst he telephone book/redial
memory % Press and hold:
R
Callsupt he standard display in the
Trip Trip menu Right control panel
~ R
Rejects or ends acall
R Exitst he telephone book/redial
memory 6 R
Makes or accepts acall
R Switches to the redial memory W
X R
Adjusts the volume 8 R
Mute ó R
Vehicles with Audio 20:
Switches on voice-operated con-
trol for navigation (see manufac-
turer's operating instructions)
R Vehicles with COMAND Online:
Switches on LINGUATRONIC (see
the separate operating instruc-
tions) Multifunction display
Multifunction display (example: vehicles with auto-
matic transmission)
: Drive program (Y page 159)
; Transmission position (Y page 160)
= Additional speedometer (Y page 248)
? Display
A Time
B Outside temperature
Display panel ?shows the selected menu or
submenu and display messages.
X To open the menu list: press theòbut-
ton on the steering wheel.
Display panel ?appears in the menu list.
Possible displays in the multifunction dis-
play:
R ZGearshift recommendation for manual
transmission (Y page 157) or for automatic234
Displays and operationOn-board computer and displays

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

AMG displays in th
ehead-up display
AM Gd isplays are available in Mercedes-AMG
vehicles. The head-up display shows th
efollowing
contents and information:
: Upshif tindicator
; Currently selected gear ,gearshif toptions
when shiftin gmanually
= RACETIMER
? Lap
A Curren tengines peed
B Curren tspeed
Settin goptions
You can mak ethe followin gsettings in th ehead-
up display submenu:
R Adjus tthe positio nofthehead-up display on
th ew indscree n(Ypage 247)
R Adjus tthe brightness of th edisplays in the
head-up display (Y page 247)
R select desired displays in th ehead-up display
(Y page 246)
Usin gthe Displa ycontent
Displa ycontent function ,you
can ,depending on your vehicle's equipment,
choos ebetween four standard displays. The
selected contents then appear in th ehead-up
display.
In Mercedes-AM Gvehicles, you can also
choos ebetween two AM Gdisplays. If you
select an AM Gdisplay, th ehead-up display
shows AMG-specific contents.
If you select adisplay wit htraffic signs, detec-
te dt raffic sign sfromT raffic Sig nAssist
appear in th ehead-up display. Menu
sand submenus Menu overview
Press the òbuttonont hesteering whee lto
open th emenulist.
Operating th eon-bo ard computer (Y page 233).
Dependin gonthevehicl eequipment, you can
select th efollowin gmenus:
R Trip Trip menu(Ypage 236)
R Navi
Navi menu(navigation instructions)
(Y page 238)
R Radio
Radio menu(Ypage 240)
R Media
Media menu(Ypage 240)
R Telephone
Telephone menu(Ypage 242)
R Assistanc egraphic
Assistanc egraphic menu(Ypage 243)
R Service
Service menu(Ypage 244)
R Settings
Settings menu(Ypage 244)
R AMG
AMG men uinM ercedes-AM Gvehicles
(Y page 249) Trip menu
Standar ddisplay X
Press and hold the %buttonont hesteer-
ing whee luntil the Trip Tripmenuwitht rip
meter :and total distanc erecorder ;
appears. 236
Menu
sand submenusOn-boar dcomputer and displays

Displaying th
erange an dcurrent fuel
consumption Mercedes-AMG vehicles
:the men uonlyd is-
plays approximat erange :.
X Press òon thesteerin gwhee ltoo pent he
men ulist.
X Press :or9 on thesteerin gwhee lto
selec tthe Trip
Trip menu.
X Press 9or: to selec tthe display with
approximat erange :and curren tfue lcon-
sumption ;.
Approximat erange :that can be covered is
calculated accordin gtoyour curren tdriving
style and th eamount of fue linthetank .If
there is only asma ll amount of fue llef tint he
fue ltank, avehicle bein grefuelled C
appears instead of approximat erange :.
Recuperation display =shows you if energy
has bee nrecuperated from th ekinetic energy
in overrun mode and saved in th ebattery.
Recuperation display =depend sonthe
engin einstal led and is therefore no tavailable
in all vehicles.
ECO display The EC
Odisplay is no tavailable in Mercedes-
AM Gvehicles.
X Press òon thesteerin gwhee ltoo pent he
men ulist.
X Press :or9 on thesteerin gwhee lto
selec tthe Trip
Trip menu.
X Confir mbyp ressing aon thesteering
wheel.
X Press :or9 to selec tECO display.
If th eignition remain sswitched of ffor longer
than four hours, th eECO display will be auto-
matically reset. Further information on th
eECO display
(Y page 176).
Trip compute r"From start" or "From
reset" :
Distance
; Driving time
= Average speed
? Average fue lconsu mption
X Press òon thesteerin gwhee ltoo pent he
men ulist.
X Press :or9 on thesteerin gwhee lto
selec tthe Trip
Trip menu.
X Confir mbyp ressing aon thesteering
wheel.
X Press :or9 to select Froms tart
Fro ms tart or
Fro mr eset
Fro mr eset.
The values in the From
Fromstart
start submen uare cal-
culated from th estart of ajou rney whilst the
values in the Fromr eset
Fro mr eset submen uare calcu-
lated from th elast time th esubmen uwas reset
(Y page 238).
In th efollowin gcases th etripc om pute risa uto-
matically reset Froms tart
Fro ms tart:
R thei gnition has bee nswitched of ffor more
than four hours.
R 99 9h our shaveb eene xcee ded.
R 9,999 kilometres hav ebeene xcee ded.
Whe n9,999 hour sor99,99 9k ilometres have
bee nexcee ded, th etripc om pute risa utomati-
cally reset Fromr eset
Fro mr eset.
Digital speedometer X
Press òon thesteerin gwhee ltoo pent he
men ulist.
X Press :or9 on thesteerin gwhee lto
selec tthe Trip
Trip menu. Menus an
dsubmenus
237On-boardcompu tera nd displays Z