2015 MERCEDES-BENZ C-CLASS COUPE cooling

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Page 269 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual 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 LorÃ position. A

Page 271 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Display messages
Possible causes/consequences and
M
MSolutions #
Sto
pv ehicl eSee
Sto pv ehicl eSee
Owner' sManual
Owner' sManual The battery is no longer bein
gcharged and th ebattery charg

Page 272 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Display messages
Possible causes/consequences and
M
MSolutions 4
Add
1litre engine
Add 1litre engine
oil whe nnextr efu‐
oil whe nnextr efu‐
elling elling The engin
eoil level has dropped to th em

Display messages
Possible causes/consequences and
M
MSolutions 4
Add
1litre engine
Add 1litre engine
oil whe nnextr efu‐
oil whe nnextr efu‐
elling elling The engin
eoil level has dropped to th eminimum level.
! Avoid lon
gjou rneys when there is to olittl ec oolan tint hecooling
system. Otherwise th eenginew ill be damaged.
X Chec kthe oil level when next refuelling, at th elatest (Y page 323).
X If necessary, to puptheengin eoil (Y page 323).
If you have to top up th eengin eoil frequently:
X Contac taqualified specialist workshop and hav ethe engine
checked.
Information on approve dengineo ils can be obtained from aqualified
specialist workshop or on th eInterne tath ttp:// bevo.mercedes-
benz.com. 4
Engine oil level Engine oil level
Stop Stop
vehicle
vehicle Switch
Switch
engine off
engine off The engin
eoil level is to olow. There is ariskofe ngined amage.
X Stop th evehicl eimmediately, payin gattention to roa dand traffic
conditions, and switch off th eengine.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 172).
X Chec kthe engin eoil level (Y page 323).
X If necessary, to puptheengin eoil (Y page 323). 8
Reserv
efuell evel
Reserv efuell evel The fuel level has dropped int
othe reserv erange.
Operation of th eauxiliar yheating is deactivated if th efuel level drops
int ot he reserv erange.
X Refue lattheneares tfilling station. C There is ver
ylittl efuel in th efuel tank.
The auxiliary heating canno tbeoperated.
X Refue lattheneares tfilling station without fail. ¸
Replac
eair cleaner
Replac eair cleaner Vehicles wit
hadiesel engine: th eenginea ir filter is dirty and mus tbe
replaced.
X Consult aqualified specialist workshop. !
Clean the fue
lfil‐
Clean the fue lfil‐
ter ter Vehicles wit
hadiesel engine: there is water in th efuel filter. The water
mus tbed rainedoff.
X Consult aqualified specialist workshop. Refill AdBlue See
Refill AdBlue See
Owner’
sManual
Owner’ sManual The AdBlue
®
level has fallen belo wthe reserv erange. Awarning tone
also sounds.
X Refill AdBlue ®
as soo naspossible(Ypage 169). Refill AdBlue No Refill AdBlue No
start in ... mi start in ... mi
The AdBlue
®
level is only sufficien tfor th eindicated distance. Awarn-
ing tone also sounds.
X Refill AdBlue ®
immediately (Y page 169).
i If you drive th
evehicl efaste rtha n15k m/hthe Refill Refill AdBlue
AdBlue
No start in ... mi No start in ... mi message goesout after approximately one
minute. Display
messages
269On-boardcomputer an ddisplays Z

Page 295 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Warning/
indicator
lamp
N N
Signal type
Possiblec auses/consequences and M
M Solutions ?
N
The red coolant warning lamp comes on while the engine is running.
The coolant leve listoo low.
If the coolan

Warning/
indicator
lamp
N N
Signal type
Possiblec auses/consequences and M
M Solutions ?
N
The red coolant warning lamp comes on while the engine is running.
The coolant leve listoo low.
If the coolant leve liscorrect, the airflow to the engine radiator may be blocked or
the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is no longer being coole dsufficiently.
X Observe the additiona ldisplay messages in the multifunction display.
X Stop the vehicl eimmediately, paying attention to road and traffic conditions,
and switch off the engine.
X Safeguard the vehicl eagainst rolling away( Ypage1 72).
X Leave the vehicl eand keep asafe distance from the vehicl euntil the engine has
coole ddown.
X Check the coolant leve land top up the coolant, observing the warning notes
(Y page3 24).
X If you have to top up the coolant frequently, have the engine cooling system
checked.
X Make sure that the air supply to the engine radiator is not blocked ,e.g. by frozen
slush.
X Do not start the engine again until the coolant temperature is below 120 †. The
engine may otherwise be damaged.
X Drive to the neares tqualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-start traffic. ?
N
The red coolant warning lamp comes on while the engine is running. Awarning
tone alsos ounds.
The coolant temperature has exceede d120 †. The airflow to the engine radiator
may be blocked or the coolant leve lmay be too low.
G WARNING
The engine is not being coole dsufficiently and may be damaged.
Never drive with an overheated engine. Driving when youre ngine is overheated
can caus esome fluids which may have leaked into the engine compartment to
catch fire.
In addition, steam from an overheated engine can caus eserious burns, which can
occur just by opening the bonnet.
There is arisk of injury.
X Observe the additiona ldisplay messages in the multifunction display.
X Stop the vehicl eimmediately, paying attention to road and traffic conditions,
and switch off the engine.
X Safeguard the vehicl eagainst rolling away( Ypage1 72).
X Leave the vehicl eand keep asafe distance from the vehicl euntil the engine has
coole ddown.
X Check the coolant leve land top up the coolant, observing the warning notes
(Y page3 24).
X If you have to top up the coolant frequently, have the engine cooling system
checked. 292
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Page 304 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Settings in the bottom bar of the cli-
matec ontrol menu Activating/deactivating cooling with air
dehumidification
X Call up the climate control menu
(Y page 300).
X Slide 6the controller repeatedly u

Settings in the bottom bar of the cli-
matec ontrol menu Activating/deactivating cooling with air
dehumidification
X Call up the climate control menu
(Y page 300).
X Slide 6the controller repeatedly until the
bottom bar is activated.
X To select O
O A/C
A/C:t urn and press the control-
ler.
X Switch cooling with air dehumidification on
O or off ª.
i The current status of the cooling function is
displayed in the climate control bar: A/C ON
–a ctivated, A/C OFF –deactivated.
i Deactivating the cooling with air dehumidi-
fication function reduces fuel consumption.
Synchronising the climate control set-
tings Use O
O Sync. Sync. (synchronisation )toselect the
climate control settingf or all zones togetherO
or separately ª.
X Call up the climate control menu
(Y page 300).
X Slide 6the controller repeatedly until the
bottom bar is activated.
X To select O
O Sync. Sync.:t urn and press the con-
troller.
X Switch the synchronisation function on Oor
off ª.
For further information on synchronising cli-
mate control settings, see (Y page 133).Navigation mode
Important safety notes G
WARNING
Operating the integrated information systems and communications equipment in the vehicle
while driving will distract you from traffic con-
ditions. You could then lose control of the
vehicle. There is arisk of an accident.
Only operate these devices if road traffic con-
ditions permit. If you are unsure about the surrounding conditions, pull over to
asafe
location and make entries only while the vehi- cle is stationary.
You must observe the legal requirements for the countryinw hich you are currently driving when
operating the navigation system.
General notes Correct functioning of the navigation system
depends, amongst other things, on GPS recep-
tion. In certain situations, GPS reception may be
impaired, there may be interference or there
may be no reception at all, e.g. in tunnels or
multi-storey car parks.
Audio 20 is equippedw ith Garmin®
MAP PILOT
(see the manufacturer's operating instructions).
The Garmin ®
MAP PILOT operating instructions
are stored on the SD memory card as aPDF file.
The SD card box contains aquick guide.
The following descriptions apply to navigation
with COMAND Online. Further information can
be found in the Digital Owner's Manual.
Selecting aroute type and route options Multimedia system:
X Select Navi NaviQNavigation Navigation.
The map displayst he current vehicle position.
X Slide 6the controller.
X Select Options
OptionsQRoute settings Route settings.
Notes for route types:
R Eco route
Eco route
R Dynamic route
Dynamic route
Traffic reports on the route for the route guid-
ance are taken into account.
R Calculate alternative routes Calculate alternative routes
Differen troutes are being calculated. Instead
of Start Start select the Continue Continue menu item.
Notes for route options:
R Use toll roads
Use toll roads
The route calculation includes roads which
require you to pay ausage fee (toll).
R Use vignette roads
Use vignette roads (not available in all
countries)
The route calculation includes roads which
require you to pay atime-based fee (vignette).
Av ignett eallowst emporary use of the route
network,e .g.10d ays or 1year. Operating system
301Multimedia system Z

Page 327 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual engine or to the catalytic converter. Have
exces
sengine oil siphoned off. Example
X Turn cap :anti-clockwise and remove it.
X Top up the engine oil.
If the oil level is at or below the MIN mark on
th

engine or to the catalytic converter. Have
exces
sengine oil siphoned off. Example
X Turn cap :anti-clockwise and remove it.
X Top up the engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick ,top up with 1.0 lofe ngine oil.
X Replace cap :on the filler neck and turn
clockwise.
Make sure that the cap locks securely into
place.
X Check the oil leve lagain with the oil dipstick
(Y pag e323).
For further information on engine oil ,see
(Y pag e375). Other service products
Important safety notes G
WARNING
Certain components in the engine compart-
ment coul dbevery hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is arisk of injury when accessing the
engine compartment.
As far as possible ,allow the engine to cool
dow nand only touch the components descri-
bed in the following. G
WARNING
The cooling system is pressurised, particu-
larl yw hen the engine is warm. If you open the
cap, you coul dbescalded if hot coolant
sprays out. There is arisk of injury. Let the engine cool dow
nbefore you open the
cap. Wea rglove sand eye protection. Open
the cap slowly to release the pressure. G
WARNING
If windscreen washer concentrate comes into contact with hot components of the engine or
the exhaust system, it can ignite. There is a
risk of fire and injury.
Make sure the windscreen washer concen-
trate does not come into contact with the filler neck.
Checking the coolan tlevel X
Park the vehicl eonalevelsurface.
Only check the coolant leve lifthe vehicl eis
on aleve lsurface and the engine has cooled
down.
X Turn the key to position 2in the ignition lock
(Y pag e145).
or
X On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page145).
X Check the coolant temperature display in the
instrument cluster (Y page233).
The coolant temperature must be below
70 †.
X Turn the key to position 0(Y pag e145).
or
X On vehicles with KEYLESS-GO, pul lthe Start/
Stop button from the ignition lock
(Y pag e145).
X Slowl yturn cap :halfat urn anti-clockwise
to allow excess pressure to escape. 324
Engine compartmentMaintenance and care

Page 379 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Additives
!
Do no
tuse any additive switht he engin eoil.
This could damag ethe engine. Brak
efluid G
WARNING
The brak efluid continuously absorbs mois-
tur efromt heair. This result sintheboiling
poi

Additives
!
Do no
tuse any additive switht he engin eoil.
This could damag ethe engine. Brak
efluid G
WARNING
The brak efluid continuously absorbs mois-
tur efromt heair. This result sintheboiling
poin toft hebrak efluid lowering .Iftheboiling
poin toft hebrak efluid is to olow, vapour
pockets may for mwhen th ebrakes are sub-
jected to aheav yload. This would impair brak-
ing efficiency. There is ariskofana ccident.
Hav ethe brak efluid renewed at th eprescri-
bed intervals.
When handlin gbrak efluid ,observ ethe impor-
tan tsafet ynotes on servic eproducts
(Y page 371).
The brak efluid chang eintervals can be foun din
th eS ervic eBooklet.
Only use brak efluid approve dbyMercedes-
Benz in accordanc ewithM B-Freig abe or MB-
Approval 331.0.
Information about approve dbrak efluid can be
obtained at any qualified specialis tworkshop or
on th eInterne tat
http://bevo.mercedes-benz.co m.
i Have the brake fluid regularly replaced at a
qualified specialist workshop in accordance
with the replacement intervals and the
replacement confirmed in the Service Book-
let. Coolant
Importan tsafety notes G
WARNING
If antifreeze comes into contact with hot com- ponents in the engine compartment, it may
ignite. There is arisk of fire and injury.
Let the engine cool dow nbefore yo utop up
the antifreeze .Make sur ethat antifreeze is
not spilled next to the filler neck. Thoroughly clea
nthe antifreeze from components before
starting the engine.
! Only ad
dcoolant that has bee npremixed
with the desire dantifreeze protection. You
coul dotherwise damag ethe engine.
Furthe rinformatio noncoolants can be found
in the Mercedes-Benz Specifications for Ser-
vice Products, MB Specifications for Service
Products 310.1, e.g. on the Internet at
http://bevo.mercedes-benz.com .Orcontact
aq ualifie dspecialist workshop.
! Always use
asuitabl ecoolant mixture, even
in countries where hig htemperatures prevail.
Otherwise ,the engine cooling system is not
sufficiently protected from corrosion and
overheating.
i Have the coolant regularly replaced at a
qualified specialist workshop and the replace- ment confirmed in the Service Booklet.
Comply with the important safety precautions
for service products whe nhandling coolant
(Y page 371).
The coolant is amixture of water and anti-
freeze/corrosion inhibitor. It is responsible for
the following:
R anti-corrosion protection
R antifreeze protection
R raising the boiling point
If antifreeze/corrosion inhibito rispresent in the
correct concentration, the boiling point of the
coolant during operation will be approximately
130 †.
The antifreeze concentrate/corrosion inhibitor
concentration in the engine cooling system
should:
R be at least 50%. Thi swillp rotect the engine
cooling system against freezing dow nto
approximatel y-37 †.
R not excee d55% (antifreeze protection down
to -45 †). Hea twillo therwise not be dissipa-
ted as effectively.
Mercedes-Benz recommends an antifreeze/
corrosion inhibito rconcentrate in accordance
with MB Specifications for Service Products
310.1.
i Whe
nthe vehicle is first delivered, it is filled
with acoolant mixtur ethat ensures adequate
antifreeze and corrosion protection. 376
Service products and capacitiesTechnical data

Page 381 of 385

MERCEDES-BENZ C-CLASS COUPE 2015 Owners Manual Mercedes-AMG vehicles
Vehicle height, Mercedes
AMG
C63 1400 mm
Vehicle height, Mercedes
AMG
C63S 1402 mm
Wheelbase
2840 mm
Maximum roof load
75 kg
Maximum bootl
oad 100 kg
All other models
Vehicle len

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