2015 MERCEDES-BENZ C-CLASS COUPE warning

Problem
Possible causes/consequences and
M
MSolutions The coolant temperature
display is showing more
than 120 †. Adisplay
message may also
appear in the multifunc-
tion display and awarn-
ing tone may sound. The coolant level is too low. The coolant is too hot and the engine is no
longer being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 324). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolant level is correct,t
he engine radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled sufficiently.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. DYNAMIC SELECTs
witchAll vehicles(
except Mercedes-AMG
vehicles)
Use the DYNAMIC SELECT switch to change the
drive program. Depending on the drive program
selected, the following vehicle characteristics
will change:
R the drive (engine and transmission manage-
ment)
R the suspension
R the steering
R the availability of the ECO start/stop function
R the climate control
- the climate control settings
- the rear window heating operation period
- the performance of the seat heating
If the ignition is switched off for less than four
hours, the previously selected drive program is
activated when the engine is next started. If the ignition is switched off for more than four hours,
drive program Cis activated when the engine is
next started. :
DYNAMIC SELECT switch (example)
X Push DYNAMIC SELECT switch :forward or
back until the desired drive program is selec- ted.
The status icon of the selected drive program
is shown in the multifunction display.
In addition, the current drive program settings are displayed briefly in the display of the mul-
timedia system.
i In
af ew countries, the ECO start/stop func-
tion is deactivated at the factory due to the
quality of the available fuel. In this case, the
ECO start/stop function is not available in any
drive program, regardless of the display in the
multimedia system display.
Available drive programs: I
Individual Individual settings
S+
Sport Plus Particularly sporty driving
characteristics S
Sport Sporty driving characteris-
tics154
DYNAMIC SELECT switchDriving and parking

Gearshift recommendation
The gearshift recommendations assist you in
adopting an economical driving style .The rec-
ommended gear is shown in the multifunction
display.
X Shift gear according to gearshift recommen-
dation :when shown in the multifunction
display of the instrument cluster. Drive programs
Drive program I(Individual) In drive program
Ithe following properties of the
drive progra mcan be selected:
R the drive (engine and transmission manage-
ment)
R the suspension
R the steering
R the availability of the ECO start/stop function
R the climate control
Information abou tconfiguring drive program I
with the multimedia system can be found in the
Digital Owner's Manual.
Drive program S+ (Sport Plus) Drive program
S+is characterised by the fol-
lowing:
R the vehicle exhibits particularlys porty driving
characteristics.
R the suspension exhibits particularlyf irm
springing and damping settings (vehicles with
AIRMATIC).
R the ECO start/stop function is not available. Drive program
S(Sport) Drive program
Sis characterised by the follow-
ing:
R the vehicle exhibits sporty driving character-
istics.
R the suspension exhibits firm springing and
damping settings (vehicles with AIRMATIC).
Drive program C(Comfort) Drive program
Cis characterised by the follow-
ing:
R the vehicle delivers comfortable ,economical
driving characteristics.
R the vehicle having improve ddriving stability,
for exampl eonslippery road surfaces.
Drive program E(Economy) Drive program
Eis characterised by the follow-
ing:
R the vehicle exhibits comfortable ,economical
driving characteristics.
R the vehicle having improve ddriving stability,
for exampl eonslippery road surfaces.
R the performance of the air-conditioning and
heating systems is reduced. Automatic transmission
Important safety notes
G
WARNING
If the engine speed is above the idling speed
and you engage transmission position Dor R,
the vehicle could pulla waysuddenly. There is
ar isk of an accident.
When engaging transmission position Dor R,
alwaysf irmly depress the brake pedala nd do
not simultaneously accelerate. G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away. There is arisk of an
accident. Automatic transmission
157Driving and parking
Z

After switching off the engine
,alway sswitch
to parking position P.Prevent the parked vehi-
cle from rolling away by applying the parking
brake. DIREC
TSELECT lever
Overvie woftransmission positions j
Park positio nwithp arking lock
k Reverse gear
i Neutral
h Drive
The DIRECT SELEC Tlever is on the right of the
steering column.
The DIRECT SELEC Tlever always returns to its
original position. The current transmission posi- tion P,R, Nor Dappear sinthe transmission
positio ndisplay in the multifunctio ndisplay
(Y page 159).
Engagin gpark position P !
If the engine speed is too high, do not shift
the automatic transmission directl yfrom Dto
R,f rom Rto Dor directl ytoP.Otherwise, the
automatic transmission could be damaged.
X Push the DIRECT SELEC Tlev er in the direction
of arrow P. Engagin
gpark position Pautomatically Park position
Pis automaticall yengaged if:
R yous witch off the engine using the key and
remove the key
R yous witch off the engine using the key or
using the Start/Stop button and open the
driver's door or front-passenger door
R youo pent he driver's door when the vehicl eis
stationar yorwhend riving at averyl ow speed
and the transmission is in position Dor R
Unde rcertain conditions, the automatic trans-
mission shifts automaticall ytotransmission
position Pif the HOLD functio norDISTRONIC
PLU Sisa ctivated .Observ ethe informatio non
the HOLD functio n(Ypage 193 )and on
DISTRONI CPLUS(Ypage 188).
Engagin grevers egearR !
Onl
yshift the automatic transmission to R
when the vehicl eisstationary.
X If the transmission is in position Dor N:p ush
the DIRECT SELEC Tlever up past the first
point of resistance.
X If the transmission is in position P:depress
the brake peda land push the DIRECT SELECT
lever up past the first point of resistance.
The ECO start/sto pfunctio nisn ot available
when revers egearise ngaged .Further informa-
tio nont he ECO start/sto pfunction
(Y page 149).
Shiftin gtoneutral N G
WARNING
If children ar eleftu nsupervised in the vehicle,
they can:
R open doors and endanger othe rpersons or
roa dusers
R climb ou tand be injured by the traffic
R operate vehicl eequipment and,for exam-
ple, trap themselves. 158
Automati
ctransmissionDriving an dparking

Problems with the transmission
Problem
Possible causes/consequences and
M
MSolutions The transmission has
problems shifting gear. The transmission is losing oil.
X Have the transmission checked at aqualified specialist workshop
immediately. The acceleration ability
is deteriorating.
The transmission no lon-
ger changes gear. The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts into secondgear; ifRis
selected, the transmission shifts into reverse gear.
X Have the transmission checked at aqualified specialist workshop
immediately. Refuelling
Important safety notes
G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is arisk of fire and explo-
sion.
You must avoid fire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before refuelling. G
WARNING
Fuels are poisonous and hazardous to health. There is adanger of injury.
Do not swallow fuel or let it come into contact
with skin, eyes or clothing. Do not inhale fuel
vapours. Keep fuels out of the reach of chil-
dren. If you or others come into contact with fuel,
observe the following:
R Wash the fuel off any affected areas of skin
with water and soap immediately.
R If you get fuel in your eyes, rinse them thor-
oughly with clean water immediately. Seek
immediate medical attention.
R If fuel is swallowed, seek immediate medi-
cal attention. Do not induce vomiting.
R Change any clothing that has come into
contact with fuel immediately. G
WARNING
Electrostatic charge can cause sparks and
thereby ignite fuel vapours. There is arisk of
fire and explosion.
Always touch the vehicle body before opening the fuel filler flap or touching the fuel pump
nozzle. This discharges any electrostatic
charge that may have built up.
Do not get into the vehicle again during the refu-
elling process. Otherwise, electrostatic charge
could build up again. G
WARNING
Vehicles with adiesel engine: 166
RefuellingDriving and parking

Problems with the fuel and fuel tank
Problem
Possible causes/consequences and
M
MSolutions Fuel is leaking from the
vehicle.
G
WARNING
The fuel line or the fuel tank is faulty.
There is arisk of fire or explosion.
X Apply the electric parking brake.
X Switch off the engine.
X Remove the key from the ignition lock.
or, on vehicles with 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 Do not restart the engine under any circumstances.
X Consult aqualified specialist workshop. The engine does not
start. The fuel tank of
avehicle with adiesel engine has been run completely
dry.
X Refuel the vehicle with at least 5litres of diesel.
X Turn the ignition on for approximately ten seconds (Y page 145).
X Start the engine continuously for amaximum of ten seconds until it
runs smoothly.
If the engine does not start: X Turn the ignition on again for amaximum of ten seconds
(Y page 145).
X Start the engine again continuously for amaximum of ten seconds
until it runs smoothly.
If the engine does not start after three attempts:
X Consult aqualified specialist workshop. The fuel filler flap cannot
be opened. The fuel filler flap is not unlocked.
X Unlock the vehicle (Y page 81). The key battery is discharged or nearly discharged.
X Unlock the vehicle using the emergency key element (Y page 82).The fuel filler flap is unlocked, but the opening mechanism is jammed.
X Consult aqualified specialist workshop. AdBlue
®
(BlueTEC vehicleso nly)
General notes To function properly, BlueTEC exhaust gas after-
treatmen tmust be operated with the reducing
agent AdBlue ®
. On vehicles with an 8.5
lAdBlue ®
tank ,topping
up AdBlue ®
is not part of the maintenanc ework.
Under normal operatin gconditions, afull tank of
AdBlue ®
should last until the nex tservic edue
date.
When the supply of AdBlue ®
is down to approx-
imately 3.0 litres, the Refill AdBlue See Refill AdBlue See Refuelling
169Driving and parking Z

X
Turn disposable hose :on the opening of
AdBlue ®
refill canister ;anti-clockwise and
remove it.
X Reseal AdBlue ®
refill canister ;with the cap.
AdBlue ®
refill canisters are availabl eatmany
filling station sorataMercedes-Benz Service
Centre. AdBlue ®
refill canisters are often sold
with afiller hose. Afiller hose that does not
exactly fit the vehicle's AdBlue ®
tank offers no
protection against overfilling. AdBlue ®
may leak
out as aresult of overfilling. Mercedes-Benz
offers aspecial disposable hose with overfill
protection. You can obtain this from any
Mercedes-Benz Servic eCentre. AdBlue ®
is
availabl einavariety of containers and recepta-
cles. Only use the disposable hose with the
Mercedes-Benz AdBlue ®
refill canisters.
AdBlue ®
refill bottle !
Only screw on the AdBlue ®
refill bottle so
that it is hand-tight. Otherwise, the thread of
the AdBlue ®
refill bottle could be damaged
and AdBlue ®
could leak out. X
Unscrew the protective cap from AdBlue ®
refill bottle :.
X Place AdBlue ®
refill bottle :on the filler
neck as shown and screw it on clockwise until hand-tight.
X Press AdBlue ®
refill bottle :towards the
filler neck.
The AdBlue ®
tank is filled. This could last up to
one minute.
When AdBlue ®
refill bottle :is no longer
pressed, filling stops and the bottle may be
taken off again after being only partially emp- tied.
X Release AdBlue ®
refill bottle :. X
Turn AdBlue ®
refill bottle :anti-clockwise
and remove it.
X Screw the protective cap ontoA dBlue®
refill
bottle :again.
AdBlue ®
refill bottles are available at many fill-
ing station sorataM ercedes-Benz Service
Centre. Refill bottles without athreaded seal
offer no protection against overfilling. AdBlue ®
may leak out as aresult of overfilling. Mercedes-
Benz offers special refill bottles with athreaded
cap. These are availabl eatany Mercedes-Benz
Servic eCentre. Parking
Important safety notes
G
WARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with hot parts of the exhaust system or exhaust
gas flow. There is arisk of fire.
Park the vehicle so that no flammable mate-
rial can come into contact with hot vehicle
components.Inp articular, do not park on dry
grassland or harvested grain fields. G
WARNING
If you leave children unattended in the vehi-
cle, they may be able to set the vehicle in
motion if, for example, they:
R release the parking brake
R shift the automatic transmission out of park
position Por shift manual transmission into
neutral
R start the engine
In addition, they may operate vehicle equip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alway stake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
! Always secure the vehicle correctly against
rolling away.O therwise, the vehicle or its driv-
etrain could be damaged. 172
ParkingDriving and parking

To ensure that the vehicle is safeguarded
against rolling away unintentionally:
R the electric parking brake must be applied
R on vehicles with manual transmission, engage
1st gear or reverse gear
R on vehicles with automatic transmission, the
transmission must be in position Pand the
key must be removed from the ignition lock
R the front wheels must be turned towards the
kerb on steep uphill or downhill gradients
R the empty vehicle must be secured at the
front axle with awheel chock or similar
object ,for example, on uphill or downhill gra-
dients
R al aden vehicle must also be secured at the
rear axle with awheel chock or similar object,
for example, on uphill or downhill gradients Switching off the engine
Important safety notes G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away.T here isarisk of an
accident.
After switching off the engine, alway sswitch
to parking position P.Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
Vehicles with manual transmission X
Shift to either 1st gear or reverse gear R.
X Turn the key to position 0in the ignition lock
and remove it.
The immobiliser is activated.
X Apply the electric parking brake.
Vehicles with automatic transmission X
Apply the electric parking brake.
X Shift the transmission to position P.X
With the key: turn the key to position 0in the
ignition lock and remove it.
The immobiliser is activated.
X With the Start/Stop button: press the
Start/Stop button (Y page 145).
The engine stops and all the indicator lamps in the instrument cluster go out.
When the driver's door is closed, this corre-
sponds to key position 1.When the driver's
door is open, this corresponds to key position
0:" key removed".
If you switch the engine off with the transmis-
sion in position Ror D,t he automatic transmis-
sion shifts to Nautomatically.
With the key: if you then open the driver's door
or the front-passenger door or remove the key
from the ignition, the automatic transmission
shifts to Pautomatically.
With the Start/Stop button: if you then open
the driver's door or the front-passenger door,
the automatic transmission shifts to Pautomat-
ically.
If you want the automatic transmission to
remain in neutral N,e.g. when having the vehicle
cleaned in an automatic car wash with atowing
system:
X Vehicles with the Start-Stop button:
remove the Start-Stop button from the igni-
tion lock.
X Insert the key into the ignition lock.
X All vehicles: switch the ignition on.
X Depress the brake pedal and keep it
depressed.
X Shift to neutral N.
X Release the brake pedal.
X Release the electric parking brake.
X Switch off the ignition and leave the key in the
ignition lock.
The engine can be switched off while the vehicle is in motion by pressing and holding the Start/
Stop button for about three seconds. This func- tion operates independently of the ECO start/
stop automatic engine switch-off function. Parking
173Driving and parking Z

Electric parking brake
General notes G
WARNING
If you leave childre nunattende dinthevehi-
cle ,the ym ay be able to set th evehicle in
motion if, for example, they:
R release th eparking brake
R shif tthe automatic transmission out of park
position Por shif tmanual transmission into
neutral
R start th eengine
In addition ,the ym ay operate vehicle equip-
men tand become trapped. Ther eisarisk of
an acciden tand injury.
When leavin gthe vehicle ,always tak ethe key
with you and loc kthe vehicle .Never leave
childre nunattende dinthevehicle.
The function of th eelectric parking brak eis
dependen tontheon-board voltage. If th eon-
boar dvoltage is low or if there is amalfunction
in th esystem, it may no tbepossible to apply the
released parking brake.
X If this is th ecase, only park th evehicle on
leve lground and secure it to prevent it from
rolling away.
X Vehicles with automatic transmission:
shif tthe automatic transmission to position
P .
X Vehicles with manua
ltra nsmission:
engage first gear.
It may no tbepossible to release an applied
parking brak eiftheon-board voltage is low or if
there is amalfunctio ninthesystem. Contac ta
qualified specialist workshop.
The electric parking brak ecarries out afunction
check at regular intervals when th eengine is
switched off .Noises that occur are normal. Applying or releasin
gmanually X
To apply: push handle :.
When th eelectric parking brak eisapplied,
th er ed ! indicator lamp light supinthe
instrumen tcluster.
The electric parking brak ecan also be applied
when th ekeyis removed.
X To release: pull handle:.
The red !indicator lamp in th einstrument
cluste rgoes out.
The electric parking brak ecan only be released:
R when th ekeyis in position 1or 2in th eigni-
tio nlock( Ypage 145) or
R if th eignition was switched on usin gthe
Start/Sto pbutton
Applying automatically (vehicles with
automatic transmission) The electric parking brak
eisautomatically
applied when th etransmission is in position P
and:
R thee ngine is switched off or
R thed river is no twearin gaseat belt and the
driver' sdoor is opened
To prevent th eelectric parking brak efromb eing
automaticall yapplied ,pull handle :.
The electric parking brak eisalso applied auto-
maticall yif:
R DISTRONIC PLU Sbrings th evehicle to a
standstil lor
R theH OLDf unction is keepin gthe vehicle sta-
tionary
R Activ eParking Assist is keepin gthe vehicle
stationary 174
ParkingDriving and parking