2015 MERCEDES-BENZ C-CLASS COUPE fuel type

R
RAC ESTART (Mercedes-AMG vehi-
cles) .................................................... 194
RACETIMER (on-board computer) .... 251
Radiato rcover ................................... 322
Radio
Selecting astation ......................... 240
Radio mode
See also Digital Owner's Manua l... 296
Radio-based vehicle components
Declaration of conformity ................ 27
Rain closin gfeature
Sliding sunroo f................................. 98
Reading lamp ..................................... 123
Rear compartment
Setting the ai rvents ...................... 143
Rear foglamp
Displa ymessage ............................ 265
Switching on/of f........................... 119
Rear lamps
see Lights
Rear seat (folding the backres tfor-
wards/back) ...................................... 310
Rear windo wheating
Problem (fault) ............................... 135
Switching on/of f........................... 134
Rear-compartment seat belt sta-
tus indicator ........................................ 44
Rear-vie wmirror
Anti-dazzle mod e(automatic) ........ 114
Dipping (manual) ........................... 113
Reflective safety vest ....................... 334
Refuelling
AdBlue ®
......................................... 169
Fue lgauge ....................................... 32
Important safety notes .................. 166
Note sfor Mercedes‑ AMG vehi-
cle s................................................ 373
Refuelling process ......................... 167
see Fuel
Remote control
Auxiliary heating/ventilation .......... 140
Changing the batteries (auxiliary
heating) ......................................... 141
Replacing bulbs
Important safety notes .................. 123
Overview of bulb types .................. 124 Removing/replacing the cover
(front whee
larch) .......................... 124
Replacing the battery (auxiliary
heatin gremote control) .................... 141
Rescue card ......................................... 28
Reserve (fuel tank)
see Fuel
Reserve fuel
Displa ymessage ............................ 269
Warning lamp ................................. 290
Residual hea t(clim ate control) ........ 136
Restrain tsystem
Displa ymessage ............................ 261
Introduction ..................................... 39
Warning lamp ................................. 290
Warning lamp (function) ................... 40
Rev counter ........................................ 233
Revers egear
Engaging (manua ltransmission) .... 156
Reversin gcamera
Cleaning instructions ..................... 330
Displa yinthe multimedi asystem .. 207
Function/note s............................. 206
Switching on/of f........................... 206
Reversin gfeature
Panorama sliding sunroo f................ 97
Roller sunblind s............................... 99
Sid ew indow s................................... 93
Sliding sunroo f................................. 97
Reversin gfunction
Boot li d............................................ 89
Reversin glamp (display message) .. 265
Rolle rsunblind
Panorama sliding sunroo f................ 99
Roo fcarrier ........................................ 313
Roo flinin gand carpets (cleaning
instructions) ...................................... 333
Roo floa d( maximum) ........................ 377
Route guidance
See also Digital Owner' sManual... 296 S
Safety Childre ninthe vehicl e..................... 55
see Occupant safety
see Operating safety Index
17

If you mix dieself
uel with petrol, the flash
point of this fuel mixture is lowert han that of
pure dieself uel. When the engine is running,
components in the exhaust system may over-
heat unnoticed. There is arisk of fire.
Never refuel with petrol. Never add petrol to
dieself uel.
! Do not use dieseltor
efuel vehicleswith a
petrol engine. Do not switch on the ignition if you accidentally refuel with the wrong fuel.
Otherwise ,the fuel wille nter the fuel system.
Even small amounts of the wrong fuel can
resultind amage to the fuel system and the
engine. Notify aqualifieds pecialist workshop
and have the fuel tank and fuel lines drained
completely.
! Do not use petrol to refuel vehicle
swith a
diesele ngine. Do not switch on the ignition if
you accidentally refuel with the wrong fuel.
Otherwise ,fuel can enter the fuel system.
Even small amounts of the wrong fuel could
resultind amage to the fuel system and the
engine. The repairc osts are high. Notify a
qualifieds pecialist workshop and have the
fuel tank and fuel lines drained completely.
! Overfilling the fuel tank could damage the
fuel system.
! Take care not to spilla
ny fuel on painted
surfaces .You could otherwise damage the
paintwork.
! Use
afilter when adding fuel from afuel can.
The fuel lines and/or the fuel injection system could otherwise be blocked by particle sfrom
the fuel can.
If you overfill the fuel tank, some fuel may spray
out when you remove the fuel pump nozzle.
Further information on fuel and fuel quality
(Y page 371). Refuelling
General notes Observe the important safety notes
(Y
page 166).
If you unlock/lock the vehicle from the outside,
the fuel fillerf lap also unlocks/locks. The positio
nofthe8 fuel fillerc ap is dis-
played in the instrument cluster. The arrow next to the filling pump indicates the side of the vehi-
cle.
Openin gthe fuel fillerf lap :
To open the fuel fillerf lap
; To insert the fuel fillerc ap
= Tyre pressure table
? Instruction label on the fuel type to be refu-
elled
X Switch off the engine.
X Remove the key from the ignition lock.
or, on vehicle swith KEYLESS-GO start function
or KEYLESS‑GO:
X Open the driver's door.
The on-board electronics now have status 0.
This is the same as the key having been
removed.
X Press the fuel fillerf lap in the direction of
arrow :.
The fuel fillerf lap swings up.
X Turn the fuel fillerc ap anti-clockwise and
remove it.
X Insert the fuel fillerc ap into the holderont he
inside of fuel fillerf lap;.
X Completely insert the fillern eck of the fuel
pump nozzle into the tank, hook in place and refuel.
X Only fill the tank until the pump nozzle
switches off.
Do not add any more fuel after the pump stops
filling for the first time. Otherwise ,fuel may leak
out.
Vehicle swithadiese lengine: the fillern eck is
designed for refuelling at dieself illing pumps. Refuelling
167Driving and parking Z

Only release the ball coupling if the pivoting
range is unobstructed. Alwaysm ake sure that
the ball coupling engages when folding in.
When reversing the vehicle towards the trailer,
make sure there is nobody between the trailer
and the vehicle.
Couple and uncouple the trailer carefully.Ify ou
do not couple the trailer to the towing vehicle
correctly, the trailer could become detached.
When towing atrailer, your vehicle's handling
characteristics will be different in comparison to when driving without atrailer.
The vehicle/trailer combination:
R is heavier
R is restricted in its acceleration and gradient-
climbing capability
R has an increased braking distance
R is affected more by strong crosswinds
R demands more sensitive steering
R has alarger turning circle
This can impair the vehicle's handling charac-
teristics. Adapt your driving style accordingly.
Maintain asafe distance. Drive carefully.
When towing atrailer, always adjust your speed
to the current road and weather conditions. Do
not exceed the maximum permissibles peed for
your vehicle/trailer combination. Notes on towing
atrailer
General notes Trailer towing is not permissibleont
he following
models:
R Mercedes AMG C63
R Mercedes AMG C63S
When towing atrailer, set the tyre pressure on
the rear axle of the towing vehicle for the max-
imum load. Further information on the tyre pres-
sure table in the fuel filler flap (Y page 356).
On vehicles without level control, the height of
the ball coupling will alter according to the load
placed on the vehicle. If necessary, use atrailer
with aheight-adjustable drawbar.
You will find fitting dimensions and loads under "Technical data" (Y page 378). Driving tips Observe the notes on ESP
®
trailer stabilisation
(Y page 74).
The maximum permissibles peed for vehicle/
trailer combinations depends on the type of
trailer. Before beginning the journey, check the
trailer's documents to see what the maximum
permitted speed is. Observe the legally prescri-
bed maximum speed in the relevant country.
For certain Mercedes-Benz vehicles, the maxi-
mum permissibler ear axle load is increased
when towing atrailer. See the "Technical data"
section to find out whether this applies to your
vehicle (Y page 378). If you utilise any of the
added maximum rear axle load when towing a
trailer, the vehicle/trailer combination may not
exceed amaximum speed of 100 km/h for rea-
sons concerning the operating permit. This also applies in countries in which the permissible
maximum speed for vehicle/trailer combina-
tions is above 100 km/h.
When towing atrailer, your vehicle's handling
characteristics will be different in comparison to
when driving without atrailer and it will con-
sume more fuel.
Change into alower gear in good time on long
and steep downhill gradients.
This also applies if cruise control, DISTRONIC
PLUS or SPEEDTRONIC are activated.
This will use the braking effect of the engine, so
less braking will be required to maintain vehicle speed. This relieves the load on the brake sys-
tem and prevents the brakes from overheating
and wearing too quickly. If you need additional
braking, depress the brake pedal repeatedly
rather than continuously.
Driving tips If the trailer swings from side to side:
X Do not accelerate.
X Do not countersteer.
X Brake if necessary.
R Maintain agreater distance to the vehicle in
front than when driving without atrailer.
R Avoid braking abruptly.Ifp ossible,brake gen-
tly at first to allow the trailer to run on. Then,
increase the braking force rapidly.
R The valuesg iven for gradient-climbing capa-
bilities from astandstill refer to sea level.
When driving in mountainous areas, note that Towing
atrailer
227Driving and parking Z

Warning/
indicator
lamp
N N
Signal type
Possiblec auses/consequences and M
M Solutions !
N
The red indicator lamp for the electric parking brake flashes or is lit and/or the
yellow warning lamp for the electric parking brake is lit.
X Observe the additiona ldisplay messages in the multifunction display. 6
N
The red restraint system warning lamp is lit while the engine is running.
The restraint system is faulty.
G WARNING
The airbags or beltt ensioners may either be triggere dunintentionally or, in the
event of an accident, may not be triggered.
This poses an increased risk of injury.
X Observe the additiona ldisplay messages in the multifunction display.
X Drive on carefully.
X Contact aqualified specialist worksho pimmediatel yand have the restraint sys-
tem checked.
For further information about the restraint system, see (Y page39). Engine
Warning/
indicator
lamp
N N
Signal type
Possiblec auses/consequences and M
M Solutions ;
N
The yellow engine diagnostics warning lamp lights up while the engine is run-
ning.
There may be afault, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignitio nsystem (for vehicles with petrol engines)
R in the fuel system
The emission limi tvalues may be exceede dand the engine may be running in
emergency mode.
X Consult aqualified specialist worksho pimmediately.
Vehicles with adiesel engine: the fuel tank has been run dry (Y page169).
X Start the engine three to four times after refuelling.
If the yellow engine diagnostics warning lamp goes out, emergency running
mode is cancelled. The vehicl eneed not be checked. 8
N
The yellow reserve fuel warning lamp is on while the engine is running.
The fuel leve lhas dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel leve ldrops into the
reserve range.
X Refuel at the neares tfilling station. 290
Warning and indicator lamps in the instrument clusterOn-board computer and displays

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

Important safety notes
G
WARNING
If wheels and tyres of th ewrong siz eare used,
th ew hee lbrakes or suspension components
may be damaged. Ther eisariskofana cci-
dent.
Always replace wheels and tyres wit hthose
that fulfil th especification softheoriginal
part.
When replacing wheels, mak esuretof it the
correct:
R designation
R type
When replacing tyres, mak esuretof it the
correct:
R designation
R manufacturer
R type G
WARNING
Af lat tyr eseverely impairs th edriving ,steer-
ing and braking characteristics of th evehicle.
Ther eisar iskofa ccident.
Tyre swithout run-flat characteristics:
R do no tdrivew ithaf lat tyre.
R immediately replace th eflat tyr ewithy our
emergenc yspar ew hee lors parew heel, or
consult aqualified specialist workshop.
Tyre swithr un-flat characteristics:
R pay attention to th einformation and warn-
ing notice sonMOExtended tyres (tyres
wit hrun-flat characteristics).
Accessories that are no tapprove dfor your vehi-
cle by Mercedes-Ben zorare notbein gused cor-
rectl ycan impair th eoperating safety.
Before purchasing and usin gnon-ap proved
accessories, visit aqualified specialist work-
sho pand enquir eabout:
R suitability
R legal stipulations
R factory recommendations Further information regarding wheels and tyres
can be foun
dunder "Wheel/tyre combinations"
(Y page 366).
You can ask for information regarding permitted
wheel-tyre combination sataMercedes-Benz
Service Centre.
Information on tyr epressur ecan be found:
R in th etyrep ressur etable in th efuel filler flap
(Y page 167)
R under "Tyre pressure" (Y page 356)
Modification wor konthebrak esystem and
wheels is no tpermitted. The use of spacers or
brak edust shields is no tpermitted. This inva-
lidates th egeneral operating permit for th evehi-
cle.
i Further information on wheels and tyres can
be obtained at any qualified specialist work-
shop. Operation
Information on driving
Chec kthe tyrep ressures when th evehicl eis
heavily laden and adjust prio rtoatrip.
While driving ,pay attention to vibrations, noises
and unusual handlin gcharacteristics ,e.g.p ull-
ing to on eside .This may indicat ethatthe
wheels or tyres are damaged. If you suspec tthat
at yreisd efective, reduce your spee dimmedi-
ately. Stop th evehicl eass oonasp ossible to
chec kthe wheels and tyres for damage. Hidden
tyr ed amag ecould also be causing th eunusual
handlin gcharacteristics .Ifyou fin dnos ignsof
damage, hav ethe tyres and wheels checke data
qualified specialist workshop.
When parking your vehicle, mak esuren otto
squas hthe tyres idewalls. If this canno tbeavoi-
ded, driv eslowly ove robstacles, e.g. kerbs ,and
only at an obtuse angle. You could otherwise
damag ethe whee lrim sa nd tyres. Notes on high performance tyres
G
WARNING
Due to th especial tyr etread in combination
wit hthe optimised rubber compound ,the re is
an increased ris kofaquaplaning and skidding
on adamp or wet road surface. Tyre gri pis
also noticeably reduce datlow outside tem- Operation
353Wheels and ty res
Z

components in the exhaus
tsystem may over-
hea tunnoticed. There is ariskoff ire.
Neve rrefuel with petrol. Neve radd petro lto
diese lfuel.
! Whe
nrefuelling, only us ediese lfue lthat
conform stothe Europea nstandard EN 590 or
is of equivalent quality .Fuelthat doe snot
conform to EN 590 can lead to increase dwear
as well as damag etothe engine and exhaust
system.
! Do not us
ethe following:
R marine diesel
R heating oil
R bio-diesel
R vegetable oil
R petrol
R paraffin
R kerosene
Do not mix such fuels with diese lfue land do
not us eany specia laddit ives. Otherwise,
engine damag emay occur.
Usually yo uwillf ind information abou tthe fuel
grade on the pump. If yo ucannot find the label
on the petro lpum p, ask the filling station staff.
Information on refuelling (Y page 167).
Lo wo utside temperatures
In winter months, diese lfue lw ithani mproved
cold flo wquality is available .InEurope, the
EN 590 standard defines variou sclimate-
dependent temperature categories. Malfunc-
tions can be avoided by refuelling with diesel
fue lthat corresponds to the climati cspecifica-
tions outlined in EN 590. At unusually low out-
sid etemperatures, it is possible that the flow
characteristics of the diese lfue lcould be insuf-
ficient. Accordingly ,diese lfue lfrom warmer
areas may not be suitabl efor operation in colder
climati cconditions.
i Further information on country-specific fuel
properties and fue ltypes with low-tempera-
ture resistance can be obtained from oil com- panies ,e.g. at filling stations. AdBlue
®
Important safety notes AdBlue
®
is aw ater-solubl efluid for the exhaust
ga sa ftertreatment of diese lengines. It is:
R non-toxic
R colourless and odourless
R non-flammable
If yo uopent he AdBlue ®
tank, small amounts of
ammonia vapou rmay be released.
Ammoni avapours have apungent odour and are
particularly irritating to the skin, to mucous
membrane sand to the eyes. You may experi-
ence aburning sensation in your eyes, nose and
throat. You may also experience coughing and
watery eyes.
Do not inhale any ammonia vapours that may be
released .Only fil lthe AdBlue ®
tank in well-ven-
tilated areas.
Lo wo utside temperatures AdBlue
®
freezes at atemperature of approx-
imately -11 †. The vehicle is delivered from the
factory equipped with an AdBlue ®
preheating
system. Winte roperation can thus be guaran-
teed eve nattemperatures below -11 †.
Additives !
Only us
eAdBlue ®
in accordance with ISO
22241. Do not us eaddit ivesw ithA dBlue ®
and do not dilute AdBlue ®
with water. This
may destroy the BlueTEC exhaus tgas after-
treatment system.
Purity !
Impurities in AdBlue ®
(e.g .due to othe rser-
vice products, cleaning agents or dust) lead
to:
R increase demission values
R damag etothe catalytic converter
R engine damage
R malfunctions in the BlueTEC ®
exhaus tgas
aftertreatment system
Assuring the purity of AdBlue ®
is particularly
important with respect to avoiding malfunctions
in the BlueTEC exhaus tgas aftertreatment sys-
tem. 374
Servic
eproducts and capacitiesTechnical data