2015 MERCEDES-BENZ C-CLASS COUPE door lock

Problems with the steering wheel heating
Problem
Possible causes/consequences and
M
MSolutions The steering wheel heat-
ing has switched itself
off prematurely or can-
not be switched on. The on-board voltage is too low because too many electrical consum-
ers are switched on.
X Switch off electrical consumers that you do not need, such as the
rear window heating or interior lighting. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants –particularly children –could
become trapped. There is arisk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is arisk of entrapment by the steering
wheel. The adjustment process is stopped.
Press one of the memory function position but-
tons. The adjustment process is stopped. This
function is only available on vehicles with a
memory function. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is arisk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is arisk of an
accident.
Always wait until the adjustment process is
complete before driving off. The EASY-ENTRY/EXIT feature makes gettingin
and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using the multimedia sys-
tem (see the separate operating instructions).
Position of the steering wheel when the EASY-ENTRY/EXIT featureisa ctive The steering wheel tilts upwards if you:
R remove the key from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the key: open the driver's door; the key
must be in position 0or 1in the ignition lock
(Y page 145)
R open the driver's door when the ignition is
switched off
i The steering wheel only tilts upwards if the
driving position is stored after the steering
column adjustment has been adjusted
(Y page 116).
The most recent driving position of the steering
wheel is stored if:
R the ignition is switched off
R the settingiss tored using the memory func-
tion (Y page 116)
i The steering wheel only moves upwards if it
has not already reached the upper steering
limiter. 112
Steering wheelSeats, steering wheela
nd mirrors

Position of the steering wheel for driv-
ing The steering wheel is moved to the previously
set position if:
R the driver's door is closed and you insert the
key into the ignition lock
R you close the driver's door when the ignition
is switched on
R you press the Start/Stop button once on vehi-
cles with KEYLESS-GO
i The steering wheel only returns to the last
set position if the driving position is stored
after the seat or steering column has been
adjusted (Y page 116).
The most recent driving position of the steering
wheel is stored if:
R the ignition is switched off
R the settingiss tored using the memory func-
tion (Y page 116)
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is trig-
gered in an accident, the steering column will
move upwards when the driver's door is opened
or the key is removed from the ignition lock. This
makes it easier to exit the vehicle and rescue the
occupants.
The crash-responsive EASY-EXIT feature is only
operational if the EASY-EXIT/ENTRY feature is
activated in the multimedia system (see the sep-
arate operating instructions). Mirrors
Rear-view mirror X
Anti-dazzle mode: pivot anti-dazzle
switch :forwards or back. Exterior mirrors
Important safety notes G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint ,steer-
ing wheel and mirrors and fasten your seat
belt before startingt he engine. G
WARNING
The exterior mirrors reduce the size of the
image. Objectsv isible in the mirrors are
closer than they appear. You could misjudge
the distance from road users driving behind
you when changing lanes, for instance. There is ar isk of an accident.
You should therefore always look over your
shoulder to determine the actual distance
from road users driving behind you.
Adjusting the exterior mirrors Mirrors
113Seats, steering wheela nd mirrors Z

Exterio
rlighting General notes
For reason sofsafety, Mercedes-Ben zrecom-
mends that you driv ewith th elight sswitched on
even durin gthe daytime. In som ecountries,
operatio noftheheadlamps varies due to legal
requirement sand self-impose dobligations. Driving abroad
General notes If your journey takes you to countries where
vehicle
sare driven on th eopposit eside of the
road to th ecountr yinw hichthe vehicle is reg-
istered ,your headlamps must be switched to
symmetrical dipped beam as soon as possible
after crossing th eborder (only vehicle swith
Intelligen tLigh tSystem). This prevent soncom-
ing traffic from bein gdazzled. Symmetrical
light sdon otilluminate as large an area of the
edge of th ecarriageway.
Vehicles with halogen or static LED
headlamps It is no
tnecessar ytos witch your headlamps to
symmetrical dipped beam when driving in coun- tries wher evehicle sare driven on th eopposite
side of th eroad to th ecountr yinw hichthe vehi-
cle is registered .Lega lrequirement sare fulfilled
without switching th eheadlamps to symmetri-
cal dipped beam.
Vehicles with Intelligent Light System Before crossing th
eborder, set th eheadlamps
to symmetrical dipped beam and after returning
back to asymmetrical dipped beam via the
"Dipped-beam headlamps for driving on the
right/left "function in th eon-board computer
(Y page 247).
If th eheadlamps are converte dtosymmetrical
dipped beam, th e"motorway mode" and "exten-
ded range foglamps "function sare no tavailable. Settin
gthe exterio rlighting
Settin goptions Exterior lighting can be set usin
gthe:
R light switch
R combinatio nswitch (Y page 120)
R headlam prange adjustmen t(only vehicles
with halogen headlamps) (Y page 120)
R on-board computer (Y page 247)
Light switch Operation
1
W
Left-han dparking lamps
2 X
Right-hand parking lamps
3 T
Sidelamps ,licenc eplatea nd instru-
men tcluste rlighting
4 Ã
Automatic headlam pmode, controlled
by th elight sensor
5 L
Dipped-beam/main-beam headlamps
B R
Rear fog lamp
If you hear awarning tone when you leave the
vehicle ,the light smay still be switched on.
X Turn th elight switch to the Ãposition.
The exterio rlighting (excep tthe side lamps/
parking lamps )switches off automaticall yifyou:
R remove th ekeyfrom th eignition lock
R open th edriver' sdoor with th ekeyin posi-
tion 0in th eignition lock
Automatic headlamp mode
à is thepreferred light switch setting. 118
Exterior lightingLight
sand windscreen wipers

Interior lighting
Overview of interior lighting
Fron toverhea dcontrol panel :
p Switches th eleft-han dfront reading
lamp on/off
; | Switches th eautomatic interio rlight-
ing control on/off
= c Switches th efront interio rlighting on/
off
? u Switches th erear interio rlighting on/
off
A p Switches th eright-hand fron treading
lamp on/off Interior lighting control
General notes In order to preven
tthe vehicle's battery from
discharging ,the interio rlighting function sare
automatically deactivated after som etime
except for when th ekeyis in position 2in the
ignition lock.
The colour ,brightness and display lighting for
th ea mbien tlighting are set usin gthe multime-
dia system (see th eseparat eoperating instruc-
tions).
Automati cinterior lighting control X
To switch on/off: press the|button.
When th eautomatic interio rlighting control is
switched on ,the butto nisflushw itht he over-
head control panel. The interior lighting automatically switches on if
you:
R unlock th evehicle
R open adoor
R remove th ekeyfrom th eignition lock
The interior lighting is activated for ashort time
when th ekeyis remove dfromt heignition lock.
This delaye dswitch-off can be adjusted via the
multimedia system (see th eseparat eoperating
instructions). Replacin
gbulbs Important safety notes
G
WARNING
Bulbs, lamp sand plug connectors can
become ver yhot during use. When replacing a
bulb, you could burn yourself on these com-
ponents .Ther eisar iskofi njury.
Allow these component stocooldown before
replacing th ebulb.
Do no tuse ab ulb that has been dropped or if its
glass tub ehas been scratched.
The bulb may explod eif:
R you touch it
R it is hot
R you dro pit
R you scratch it
Only operate bulbs in enclosed lamp sdesigned
for that purpose .Onlyf it spar ebulbs of th esame
typ eand th especifie dvoltage.
Mark sont heglass tub ereduce th eservic elife
of th ebulbs .Don ottouch th eglass tub ewith
your bare hands. If necessary, clean th eglass
tub ew hen cold wit halcohol or spirit and rub it
off wit halint-free cloth.
Protect bulbs from moisture during operation.
Do no tallow bulbs to come int ocontac twith
liquids.
Only replace th ebulbs listed (Y page 124).
Hav ethe bulbs that you canno treplace yourself
replace dataq ualified specialist workshop.
If you require assistanc ereplacing bulbs ,con-
sult aqualified specialist workshop.
If th enew bulb still does no tligh tup, consult a
qualified specialist workshop. Replacin
gbulbs
123Lightsand windscreen wipers Z

Problems with the windscreen wipers
Problem
Possible causes/consequences and
M
MSolutions The windscreen wipers
are jammed. Leaves or snow, for example, may be obstructing the windscreen
wiper movement
.The wiper motor has been deactivated.
X For safety reasons, you should remove the key from the ignition
lock.
or X Switch off the engine using the Start/Stop button and open the
driver's door.
X Remove the cause of the obstruction.
X Switch the windscreen wipers back on. The windscreen wipers
fail completely. The windscreen wiper drive is malfunctioning.
X Select another wiper speed on the combination switch.
X Have the windscreen wipers checked at aqualified specialist work-
shop. The windscreen washer
fluid from the spray noz-
zles no longer hits the
centre of the wind-
screen. The spray nozzles are misaligned.
X Have the spray nozzles adjusted at aqualified specialist workshop. 128
Windscreen wipersLights and windscreen wipers

Problems with the rear window heating
Problem
Possible causes/consequences and
M
MSolutions The rear window heating
has switched off prema-
turely or cannot be acti-
vated. The battery has not been sufficiently charged.
X Switch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window heating
can be activated again. Switching air-recirculation mode
on/off
General notes You can also temporarily deactivate the flow of
fresh air manually if unpleasant odours are
enteringt he vehicle from outside. The air
already inside the vehicle will then be recircula-
ted.
If you activate air-recirculation mode, the win-
dows can mist up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows misting up.
Activating/deactivating X
Turn the key to position 2in the ignition lock
(Y page 145).
X To activate: press thegrocker switch up
or down.
The indicator lamp above the grocker
switch lights up.
Air-recirculation mode is activated automati-
cally:
R at high outside temperatures
R inat unnel (vehicles with anavigation system
only)
The indicator lamp above the grocker
switch is not lit when automatic air-recirculation mode is activated. Outside air is added after
approximately 30 minutes.
X To deactivate: press thegrocker switch
up or down.
The indicator lamp above the grocker
switch goes out. Air-recirculation mode is deactivated automati-
cally:
R after approximately five minutes at outside
temperatures below approximately 5†
R after approximately five minutes if "Cooling
with air dehumidification" is deactivated
R after approximately 30 minutes at outside
temperatures above approximately 5†if the
"Cooling wit hair dehumidification" function is
activated Convenience opening or closing using
the air-recirculatio nbutton G
WARNING
When the convenience closing feature is oper- ating, parts of the body coul dbecome trapped
in the closing area of the side window and the
sliding sunroof. There is arisk of injury.
Observ ethe complete closing procedure
when the convenience closing feature is oper-
ating. When closing make sure that no parts of the body are in the closing area. G
WARNING
During convenience opening parts of the body coul dbed rawninorb ecome trapped
between the side window and window frame.
There is arisk of injury.
When opening, make sure that nobody is
touching the side window. If someone
become strapped, immediately press
the W switch in the door to stop the move-
ment of the side windows. To continue closing
the side window, pul lontheW switch. Operating the climate control system
135Climate control Z

To start the vehicle without actively using the
key:
R the Start/Stop button must be inserted in the
ignition lock
R the key must be in the vehicle
R the vehicle must not be locked with the key or
KEYLESS-GO (Y page 81)
Do not keep the key:
R with electronic devices, e.g. amobile phone
or another key
R with metallic objects, e.g. coins or metal film
R inside metallic objects, e.g. ametal case
This can affect the key's functionality.
If you lock the vehicle with the key's remote
control or with KEYLESS-GO, after ashort time:
R you will not be able to switch on the ignition
with the Start/Stop button
R you will not be able to start the engine with the
Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door (Y page 87), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
operates independently of the ECO start/stop
automatic engine switch-off function.
Key positions with the Start/Stop button :
Start/Stop button
; Ignition lock
When you switch on the ignition, all of the indi-
cator lamps in the instrument cluster light up.
Further information on situations where an indi-
cator lamp either fails to go out after starting the engine or lights up while driving (Y page 286).If Start/Stop button
:has not yet been
pressed, this corresponds to the key being
removed from the ignition.
X To switch on the power supply: press
Start/Stop button :once.
The power supply is switched on. You can now activate the windscreen wipers, for example.
The power supply is switched off again if:
R the driver's door is opened and
R you press Start/Stop button :twice when in
this position
X To switch on the ignition: press Start/Stop
button :twice.
The ignition is switched on.
The ignition is switched off again if:
R you do not start the engine from this position
within 15 minutes
R you press Start/Stop button :twice when in
this position
The power supply is switched off again if:
R the driver's door is opened and
R you press Start/Stop button :twice when in
this position
Removing the Start/Stop button You can remove the Start/Stop button from the
ignition lock and start the vehicle as normal
using the key.
It is only possible to switch between Start/Stop
button mode and key operation when the trans-
mission is in position P.
X Remove Start/Stop button :from ignition
lock ;.
You do not have to remove the Start/Stop but-
ton from the ignition lock when you leave the
vehicle. You should, however, alway stake the
key with you when leaving the vehicle. As long as
the key is in the vehicle:
R the vehicle can be started using the Start/
Stop button
R the electrically powered equipment can be
operated 146
DrivingDriving and parking

Starting the vehicle
Important safety notes G
WARNING
If children are left unsupervised in the vehicle, they could:
R open doors, thereby endangering other per-
sons or road users
R get out and be struck by oncomingt raffic
R operate vehicle equipment and become
trapped, for example
In addition, the children could also set the
vehicle in motion, for example, if they:
R release the parking brake
R shift the automatic transmission out of park
position Porshift manual transmission into
neutral
R start the engine
There is arisk of an accident and injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children and animals unattended in the vehi-
cle. Keep the keys out of the reach of children. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There is ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation. G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or parts of the engine that heat up. There is arisk
of fire.
Carry out regular checkstom ake sure that
there are no flammable foreign materials in
the engine compartmen torinthe exhaust
system. General notes Vehicles with
apetrol engine: the catalytic
converter is preheated for up to 30 seconds
after acold start. The sound of the engine may
change during this time.
Manual transmission X
Depress the brake pedal and keep it
depressed.
X Fully depress the clutch pedal.
X Shift to neutral N.
Automatic transmission X
Shift the transmission to position P
(Y page 158).
The transmission position indicator in the
multifunction display shows P(Y page 159).
i You can start the engine in transmission
position Pand N.
Starting procedurew ith the key To start the engine using the key instead of the
Start/Stop button, pull the Start/Stop button
out of the ignition lock.
X To startad iesel engine:t urn the key to
position 2in the ignition lock (Y page 145).
The % preglow indicator lamp in the instru-
ment cluster lights up.
X Turn the key to position 3in the ignition lock
and release it as soon as the engine is running
(Y page 145).
i Vehicles with
adiesel engine: you can
start the engine without preglow if the engine
is warm.
If the engine will not start:
X Remove the key from the ignition lock.
X Reinsert the key into the ignition lock after
waiting for ashort period.
X Turn the key to position 2in the ignition lock
(Y page 145).
The indicator lamps in the instrumen tcluster
light up (Y page 285).
X Turn the key to position 3(Y page 145) in the
ignition lock and release it as soon as the
engine is running. Driving
147Driving and parking Z