2015 MERCEDES-BENZ C-CLASS COUPE open bonnet

Rocking th
evehicl efree. .............. .161
Startin gthe engin e....................... .147
Steerin gwhee lgearshift paddles .. .163
Trailer towing ................................. 161
Transmissio nposition display
(DIREC TSELECT lever) ................... 159
Transmissio npositions .................. 160
Automatic transmission emer-
gency runnin gmode ......................... 166
Auxiliary heating/ventilation
Display message ............................ 282
Important safety notes .................. 138
Problem (display message) ............ 143
Remote control .............................. 140
Setting the departur etime ............. 141
Switching on/off (on the centre
console )......................................... 139
Axl eload, permissible (traile rtow-
ing) ...................................................... 380 B
Back button ....................................... 297
Bag hook ............................................ 312
Ball coupling
Folding in ....................................... 228
Folding in/ou t................................ 228
Folding out ..................................... 228
BAS (Brake Assist System) ................. 67
BAS PLU SwithC ross-Traffic Assist
(Brake Assist PLU SwithC ross-
Traffic Assist)
Function/notes ................................ 67
Important safety notes .................... 68
Battery (key)
Checking .......................................... 83
Important safety notes .................... 83
Replacing ......................................... 83
Battery (vehicle)
Charging ........................................ 343
Display message ............................ 267
Important safety notes .................. 341
Jump starting ................................. 345
Belt
see Seat belts
Belt tensioner
Activatio n......................................... 52 Blin
dSpot Assist
Activating/deactivating (on-
board computer) ............................ 245
Display message ............................ 272
Notes/function .............................. 218
see Active Blind Spot Assist
BlueTEC
see AdBlue ®
Bluetooth ®
Connecting another mobile
phone ............................................ 303
Searching for amobile phone ....... .303
See also Digita lOwner' sManual ... 296
Telephony ...................................... 302
Bonnet
Active bonnet (pedestrian protec-tion) ............................................... 321
Closing .......................................... .322
Display message ............................ 281
Important safety notes .................. 321
Opening ......................................... 322
Boot
Important safety notes .................... 89
Locking separatel y........................... 93
Opening/closing (automatically
from inside) ...................................... 92
Opening/closing (automatically
from outside) ................................... 90
Opening/closing (from the out-
side, HANDS-FREE ACCESS) ............ 91
Opening/closing (manually from
outside) ............................................ 89
Boot lid
Display message ............................ 281
Obstacle recognition ........................ 89
Opening dimensions ..................... .377
Opening/closing .............................. 89
Boot load (maximum) ........................ 377
Brake
EBD ................................................. .75
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Displa ymessage ............................ 259
Note s............................................. 376 Index
5

Cockpit
Function Page
:
Steering wheel gearshif
tpad-
dles 163
;
Combination switch 120
=
Horn
?
Instrumen
tcluster 32
A
DIRECT SELECT lever 158
B
Climat
econtrol systems 129
C
Overhead control panel 37
D
Control panel for multimedia
system and vehicle functions
34
E
Ignition lock 145
Start/Sto
pbutton 145
F
Adjust
sthe steering wheel 110
G
Cruis
econtrol lever 181 Function Page
H
Electric parking brake 174
I
Diagnostics connection 27
J
Open
sthe bonnet 322
K
Ligh
tswitch 118
L
Control panel for:
Activatin
gSteering Assist 191
Activatin
gActiveL aneK eep-
ing Assist 223
Deactivating PARKTRONIC 197
Activatin
gthe 360° camera 210
Switching on th
ehead-up
display 235
Vehicle
swithout adriver
assistance system: card/
coi nh older 30
CockpitAt
ag lance

Function Page
:
Overhead control panel 37
;
Climat
econtrol systems 129
=
Combination switch 120
?
Instrument cluster 32
A
Horn
B
DIRECT SELECT lever 158
C
Steering wheel gearshif
tpad-
dles 163
D
Control pane
lfor: Activatin
gSteering Assist 191
Activatin
gActiveL aneK eep-
ing Assist 223
Deactivating PARKTRONIC 197
Activatin
gthe 360° camera 210
Switching on th
ehead-up
display 235
Vehicle
swithout adriver
assistance systems :card/
coi nh older Function Page
E
Ligh
tswitch 118
F
Open
sthe bonnet 322
G
Diagnostics connection 27
H
Electric parking brake 174
I
Ignition lock 145
Start/Sto
pbutton 145
J
Adjust
sthe steering wheel 110
K
Cruise control lever 181
L
Control pane
lfor multimedia
system and vehicle functions 34Cockpit
31Atag lance

X
To activate with the key: remove the key
from the ignition lock.
X To activate with KEYLESS-GO start-func-
tio norK EYLESS -GO:switch the ignition off
and open the driver's door.
X To deactivate: switch on the ignition.
Whe nleaving the vehicle, always take the key
with yo uand lock the vehicle. Anyone can start
the engine if avalid key ha sbeenleftinsid ethe
vehicle.
i The immobiliser is always deactivate
dwhen
yo us tart the engine. ATA (Anti-Theft Alarm system)
X
To prime: lock the vehicl ewitht he key or
KEYLESS-GO.
Indicato rlamp :flashes. The alarm system
is primed afte rapproximatel yten seconds.
X To switc hoff:unlock the vehicl ewitht he key
or KEYLESS-GO.
or X Insert the key into the ignition lock.
Av isua land audibl ealarm is triggered if the
alarm system is primed and yo uopen:
R ad oor
R the vehicl ewitht he emergency key element
R the boot lid
R the bonnet
X To deactivate the alarm with the key: press
the % or& button on the key.
The alarm stops.
or X
Vehicles with KEYLESS-GO start-function
or KEYLESS-GO: remove the Start/Stop but-
ton from the ignition lock (Y page 145).
X Insert the key into the ignition lock.
The alarm stops.
X To sto
pthe alarm using KEYLESS-GO:
grasp the outsid edoorh andle. The key must
be outsid ethe vehicle.
The alarm stops.
or X Press the Start/Stop button on the dash-
board .The key must be insid ethe vehicle.
The alarm stops.
The alarm does not switch off, eve nifyouclose
the open door tha thas triggered it, for example.
i If the alarm stays on for more than
30 seconds ,the Mercedes‑Be nz emergency
cal lsys tem automaticall ysend sam essage to
the Customer Assistance Centre. Thi sisdone
by means of atext message or adatac on-
nection.
The emergency cal lsystem send samessage
or establishes adatac onnectio nprovided
that:
R youh aves ubscribed to the Mercedes ‑Benz
emergency cal lsystem
R the Mercedes‑Be nz emergency cal lsys tem
ha sb eena ctivate dproperly
R the necessary mobil ephone network is
available Tow-away protection
Function An audibl
eand visua lalarm is triggered if your
vehicle's angle of inclinatio nisa ltere dw hile
tow-away protection is primed .Thisc an occu rif
the vehicl eisjacke dupono ne side,for exam-
ple.
Priming X
Make sure that:
R the doors are closed
R the boot li disclosed
Onl ythen is tow-away protection activated.
X Lock the vehicl ewitht he key or KEYLESS-GO.
Tow-away protection is activate dafter
approximatel y60s econds. 78
Protectio
nagains ttheftSafety

If the wiper blades are worn, the windscreen will
no longer be wiped properly. This could mean
you are unabletoo bserve the traffic conditions. Replacin
gthe wiperb lades
Important safety notes G
WARNING
If the windscree nwipers begin to move while
you are changing the wiper blades, you can be trapped by the wiper arm. There is arisk of
injury.
Alwayss witch off the windscreen wipers and
ignition before changing the wiper blades.
! Never open the bonnet/tailgate if
awiper
arm is folded awayf rom the windscreen/rear
window.
Never fold awindscreen wiper arm withou ta
wiper blade back onto the windscreen/rear
window.
Hold the windscree nwiper arm firmly when
you change the wiper blade. If you release the
wiper arm withou tawiper blade and it falls
onto the windscreen/rear window ,the wind-
screen/rear window may be damaged by the
force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at aqualifieds pe-
cialist workshop.
! To avoid damaging the windscreen wiper
blades, make sure that you touch only the
wiper arm of the windscreen wiper.
Replacing the windscreen wiperb ladesMovingt
he wiperb lades to the vertical
position
On vehicles without KEYLESS-GO:
X Turn the key to position 1or 2in the ignition
lock (Y page 145).
X Set the windscree nwipers to the °posi-
tion.
X When the wiper arms have reached the verti-
cal position, turn the key to position 0and
remove it from the ignition lock.
X Fold the wiper arm awayf rom the windscreen.On vehicles with KEYLESS-GO:
X Switch off the engine.
X Remove yourf oot from the brake pedal.
X Set the windscree nwipers to the °posi-
tion.
X Press the Start/Stop button repeatedly until
the windscree nwipers start.
X When the wiper arms have reached the verti-
cal position, press the Start/Stop button.
X Fold the wiper arm awayf rom the windscreen.
Removing the wiperb lades X
Hold onto the wiper arm with one hand. With
the other hand, turn the wiper blade in the
direction of arrow :awayf rom the wiper arm
as far as it willg o.
X Slide catch ;in the direction of arrow =
until it engages in the removal positio nwith a
noticeable click. X
Remove the wiper blade in the direction of
arrow ?awayf rom the wiper arm. 126
Windscreen wipersLights and windscreenw
ipers

Problems with the auxiliary heating/ventilation
Problem
Possible causes/consequences and
M
MSolutions FAIL¨ The signal transmission between the transmitter and the vehicle is
faulty.
X
Change your position in relation to the vehicle, moving closer if
necessary. FAIL The auxiliary heating/ventilation cannot be switched on or has
switched itself off.
The starter battery is not sufficiently charged.
X Charge the starter battery. The fuel tank content is below the reserve fuel level.
X Refuel at the nearest filling station. FAIL
¯ The auxiliary heating/ventilation is malfunctioning.
X Have the auxiliary heating/ventilation checked at aqualified spe-
cialist workshop. Air vents
Important safety notes
G
WARNING
Very hot or very cold air can flow from the air vents. This could result in burns or frostbit ein
the immediate vicinity of the air vents. There
is ar isk of injury.
Make sure that all vehicle occupants always
maintain asufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air ventsi nto the vehicle interior,
please observe the following notes:
R keep the air inlet between the windscreen and
the bonnet free of blockages, such as ice,
snow or leaves
R never cover the ventsorv entilation grilles in
the vehicle interior Adjusting the air vents
Example
:
Side window demister vent
; Side air vent,l eft
= Control for left side air vent
X To open or close: turn thumbwheel=to the
left or right as far as it will go.
X To adjust the air direction: hold side air
vent ;by thumbwheel =and move it up or
down or to the left or right. Air vents
143Climatecontrol Z

R
the bonnet is closed
R the driver's door is close dand the driver's
seat belt is fastened
If the conditions for automatic engine switch-off
ar en ot al lfulfilled ,the è ECO symbo lis
shown in yellow.
All of the vehicle' ssystems remai nactive when
the engine is switched off automatically.
Al lv eh icle s(exce pt Mercedes-AMG vehi-
cles): automatic engine switch-off can take
place amaximum of fou rtimes in arow (initial
switch-off ,the nt hre esubsequen tswitch-offs).
The è ECO symbo lisshown in yellow in the
multifunctio ndisplay after the engine ha sbeen
started automaticall yfor the fourth time. When
the è ECO symbo lisshown in green in the
multifunctio ndisplay ,automatic engine switch-
off is agai npossible.
Mercedes-AMG vehicles: the numberofcon-
secutive automatic engine stop sisunlimited.
Vehicle swithm anual transmission The ECO start/sto
pfunctio nswitches off the
engine automaticall yatlowspeeds.
X Brake the vehicle.
X Shift to neutral N(follow gearshift instruc-
tion :to shift to neutral N,ifnecessary).
X Releas ethe clutch pedal.
The engine is switched off automatically.
Vehicle switha utomatic transmission
If the vehicl eisbraked to astandstil lwitht he
transmission in Dor N,t he ECO start/sto pfun c-
tio ns witches off the engine automatically.
The HOLD functio ncan be activated if the
engine ha sbeens witched off automatically. It is
the nnot necessary to continue applying the
brakes durin gthe automatic stop phase. When
yo ud epress the accelerator pedal, the engine
starts automaticall yand the braking effect of
the HOLD functio nisd eactivated. Automati
cengin estart General notes
The engine is started automaticall yif:
R yous witch off the ECO start/sto pfun ctio nby
pressing the ECO button
R youd epress the accelerator pedal
R youe ngag erevers egear R
R youu nfasten your seat belt or open the driv-
er' sd oor
R the vehicl estarts to roll
R the brake syste mrequires this
R the temperatur einthe vehicl einterio rdevi-
ate sfromt he se tran ge
R the syste mdetects moisture on the wind-
screen when the air-conditioning syste mis
switched on
R the battery's charge status is too low
Vehicle swithm anual transmission
! Onl
yengag egearw hent he clutch peda lis
depressed.
The engine is started automaticall ywheny ou
depress the clutch pedal.
Vehicle switha utomatic transmission
The engine is started automaticall yif:
R yous witch to drive program S+(all vehicles
except Mercedes-AM Gvehicles)
R yous witch to drive program RACE
(S‑MO DEL),S+orS(Mercedes-AMG vehicles)
R youp ermanentl yactivate manua lgears hifting
(Y page 163 )(Me rcedes-AMG vehicles)
R in transmission position Dor N,t he brake
peda lisrelease dand the HOLD functio nisn ot
active
R yous hift fro mtransmission position P
Shiftin gthe transmission to position Pdoes not
start the engine.
If yo ushift the transmission from Rto D,t he
ECO start/sto pfunctio nisa vailable againonce
the è ECO symbo lreappears in green in the
multifunctio ndisplay. 150
DrivingDriving an
dparking

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