key MERCEDES-BENZ C-CLASS COUPE 2015 Service Manual

Adjusting th
esteering wheel electri-
cally :
To adjust th esteering whee lposition (fore-
and-af tadjustment)
; To adjust th esteering whee lheight
i Further relate dsubjects:
R EASY-ENTRY/EXIT feature (Y page 112)
R Storing setting s(Ypage 116)
R Operating th eon-bo ard computer
(Y page 233). Steering wheel heating
Switchin gon/off X
Turn th ekeyto position 2in th eignition lock
(Y page 145).
X To switch on/off: turnthe lever in th edirec-
tion of arrow :or;.
Indicato rlamp =lights up or goe sout.
Vehicles without KEYLESS-GO :when you
remove th ekeyfrom th eignition lock, th esteer-
ing whee lheating is switched off.
Vehicles wit hKEYLESS-GO :when you switch off
th ei gnition and open th edriver's door ,the
steering whee lheating is switched off. Steering wheel
111Seats,steering wheel and mirrors Z

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

X
Turn the key to position 1or 2in the ignition
lock (Y page 145).
X Press button ;for the right-hand exterior
mirror or button =for the left-hand exterior
mirror.
The indicator lamp lights up in the button that has been pressed.
The indicator lamp goes out again after some
time. You can adjust the selected mirror using adjustmen tbutton :as long as the indicator
lamp is lit.
X Press adjustmen tbutton :up, down, or to
the left or right until you have adjusted the
exterior mirror to the correc tposition. You
should have agood overview of traffic condi-
tions.
The convex exterior mirrors provide alarger field
of vision.
After the engine has been started, the exterior
mirrors are automatically heated if the rear win-
dow heating is switched on and the outside tem- perature is low.
Folding the exterior mirrors in/out elec- trically X
Turn the key to position 1or 2in the ignition
lock (Y page 145).
X Briefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
alway sfolded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 47 km/h,
you
can no longer fol dintheexterio rmirrors. Resetting th
eexterior mirrors If th
ebattery has been disconnected or com-
pletely discharged, th eexter iorm irror smustbe
reset .The exterio rmirror swill otherwise not
fol dinw hen you select the Automatic Automaticmirror-
mirror-
foldin gfunction
foldin gfunction function in th emultimedia
system.
X Turn th ekeyto position 1or 2in th eignition
loc k(Ypage 145).
X Briefly press :.
Folding th eexterior mirror sin/out
automatically Whe
nthe Automatic
Automatic mirror-folding
mirror-folding func‐
func‐
tion
tion function is activated in th emultimedia sys-
te m( see th eseparat eoperating instructions):
R thee xter iorm irror sfoldina utomatically as
soo nasy ou loc kthe vehicl efromt heoutside
R thee xter iorm irror sfoldo ut automatically
again as soo nasyou unloc kthe vehicle
i If th
eexter iorm irror shaveb een folded in
manually, they do no tfoldo ut.
Exterior mirror pushe dout of position If an exterio
rmirror has been pushed out of
position (forwards or backwards), proceed as
follows:
X Vehicles withou
telectricall yfolding exte-
rior mirrors: manually mov ethe exterio rmir-
ror into th ecorrect position.
X Vehicles wit
helectricall yfolding exterior
mirrors: press and hold button :until you
hear aclick and then th emirror engaging in
position (Y page 114).
The mirror housin gisengage dagain and you
can adjust th eexter iorm irror sasu sual
(Y page 113). Automatic anti-dazzle mirrors
G
WARNING
Electrolyt emay escape if th eglassofana uto-
matic anti-dazzl emirror breaks .Electrol yteis
harmful and causes irritation .Itmustn ot
come into contact wit hyour skin ,eyes ,res-
piratory organs or clothin gorbeswallowed.
There is ariskofi njury. 114
Mir
rorsSeats ,steering wheel and mirrors

If you come into contact with electrolyte,
observe the following:
R immediately rinse off electrolyte from your
skin with water.
R immediately and thoroughl yrinse electro-
lyte out of eyes using clean water.
R if electrolyte is swallowed, immediately
rinse out yourm outh thoroughly. Do not
induce vomiting.
R if electrolyte comes into contact with skin
or eyes or is swallowed, seek medica latten-
tion immediately.
R immediately change out of clothing that has
been in contact with electrolyte.
R if an allergic reaction occurs, seek medical
attention immediately.
The rear-view mirror and the exterior mirror on
the driver's side automatically go into anti-daz-
zle mode if the following conditions are met
simultaneously:
R the ignition is switched on
R incident light from headlampss trikes the sen-
sor in the rear-view mirror
The mirrors do not dip if reverse gear is engaged
or if the interior lighting is switched on. Parking positio
nofthe exterio rmirror
on the front-passenge rside
Storing the parking position You can set the front-passenger side exterior
mirror so that you can see the rear wheel on that
side as soon as you engage reverse gear. You
can store this position. Usingr
everse gear :
Memory button M
; Adjustment button
= Button for the exterior mirror on the front-
passenger side
? Button for the exterior mirror on the driver's
side
X Turn the key to position 2in the ignition lock
(Y page 145).
X Press button =for the exterior mirror on the
front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button ;to adjust the exte-
rior mirror to apositio nthat allows you to see
the rear wheel and the kerb.
The parking positio nisstored.
i If you shift the transmission to another posi-
tion, the exterior mirror on the front-
passenger side returns to the driving position.
Usingt he memory button You can store the parking positio
nofthe exte-
rior mirror on the front-passenger side using
memory button M:.T he reverse gear must not
be engaged.
X Turn the key to position 2in the ignition lock
(Y page 145).
X Press button =for the exterior mirror on the
front-passenger side.
X Use adjustment button ;to adjust the exte-
rior mirror to apositio nthat allows you to see
the rear wheel and the kerb. Mirrors
115Seats, steeringw heel and mirrors Z

X
Press memory button M: and one of the
arrows on adjustmen tbutton ;within three
seconds.
The parking position is stored if the exterior
mirror does not move.
X If the mirror moves out of position, repeat the
steps.
X After successfully storing, reset the driving
position of the exterior mirror.
Calling up astored parking position X
Turn the key to position 2in the ignition lock
(Y page 145).
X Adjust the exterior mirror on the front-
passenger side using button =.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position.
The exterior mirror on the front-passenger side
moves back to its original position:
R as soon as you exceed aspeed of 15 km/h
R about ten seconds after you have disengaged
reverse gear
R if you press button ?for the exterior mirror
on the driver's side Memory function
Important safety notes
G
WARNING
If you use the memory function on the driver's side while driving, the adjustments could
cause you to lose control of the vehicle. There
is ar isk of an accident.
Only use the memory function on the driver's
side while the vehicle is stationary. G
WARNING
When the memory function adjusts the seat or steerin gwheel, you and other vehicle occu-
pants –particularly children –could become
trapped. There is arisk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat or steering
wheel. If somebody becomes trapped, imme- diately release the memory function position
button .The adjustmen tprocess is stopped. G
WARNING
If children activat ethe memory function, they
could become trapped, especially if they are
unattended. There is arisk of injury.
When leaving the vehicle, alway stake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
The memory function can be used at any time,
e.g. even when the key is not in the ignition lock. Storing settings
With the memory function, you can store up to
three different settings, e.g. for three different
people.
The following settings are stored as asingle
memory preset:
R position of the seat, backrest and head
restraint
R driver's side: position of the exterior mirrors
on the driver's and front-passenger sides
R position of the head-up display X
Adjust the seat accordingly (Y page 104).
X On the driver's side, adjust the steerin gwheel
(Y page 111) and the exterior mirrors
(Y page 113).
X Press memory button Mand then press save
position button 1,2or 3within three sec-
onds.
The settings are stored in the selected preset
position. Atones ounds when the settings
have been completed. 116
Memoryf
unctionSeats, steering wheel and mirrors

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

The light setting is automatically selected
accordin
gtothe brightness of the ambient light
(exception: poor visibility due to weather condi- tions such as fog, snow or spray):
R key in position 1in the ignition lock: the side
lamps are switched on or off automatically
depending on the brightness of the ambient
light.
R with the engine running: depending on the
ambient light conditions, the daytime driving
lights or the side lamps and dipped-beam
headlamps are switched on or off automati-
cally.
X To switch on the automatic headlamps:
turn the light switch to the
Ãposition. G
WARNING
When the light switch is set to Ã,the
dipped-beam headlamps may not be switched on automatically if there is fog, snow or othercauses of poor visibility due to the weather
conditions such as spray. There is arisk of an
accident.
In such situations, turn the light switch to
L.
The automatic headlamp feature is only an aid.
The driver is responsible for the vehicle lighting at all times.
The daytime driving lights improve the detecta-
bility of your vehicle during the day.
When the side lamps and dipped-beam head-
lamps are switched on, the green T(side
lamps) and L(dipped-beam headlamps)
indicator lamps in the instrument cluster light
up.
Dipped-beam headlamps When the ignition is switched on and the light
switch is in the Lposition, the side lamps
and dipped-beam headlamps are switched on
even if the light sensor does not sense dark
ambient light conditions. This is advantageous
when there is fog or rain.
X To switch on the dipped-beam headlamps:
turn the key in the ignition lock to position 2
or start the engine.
X Turn the light switch to the Lposition.
The green Lindicator lamp in the instru-
ment cluster lights up. Rear fog lamp
The rear foglamp improves the visibility of your
vehicle in heavy fog for the following traffic.
Please observe the country-specific laws on the
use of rear foglamps.
X To switch on the rear foglamp: turn the key
in the ignition lock to position 2or start the
engine.
X Turn the light switch to the LorÃ
position.
X Press the Rbutton.
The yellow Rindicator lamp in the instru-
ment cluster lights up.
X To switch off the rear foglamp: press the
R button.
The yellow Rindicator lamp in the instru-
ment cluster goes out.
Side lamps
! If the battery has been discharged to
alow
charge level, the side lamps or parking lamps
are automatically switched off to enable the
next engine start .Always leave your vehicle in
as afe position and adequately lit in accord-
ance with traffic regulations. Avoid using the
side lamps Tforaperiod of several hours.
If possible, switch on the right Xor left
W parking lamp.
X To switch on: turn the light switch to the
T position.
The green Tindicator lamp in the instru-
ment cluster lights up.
Parking lamps Switching on the parking lamps ensures that the
corresponding side of the vehicle is illuminated.
X To switch on the parking lamps: the key
should not be in the ignition lock or it should
be in position 0.
X Turn the light switch to the W(left-hand
side of the vehicle) or X(right-hand side of
the vehicle) position. Exterior lighting
119Lights and windscreen wipers Z

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

X
Switch off the lights.
X Ope nthe bonnet.
X Turn housing cover :anti-clockwise and
remove it.
X Turn bulb holder ;anti-clockwise and pull
out.
X Pull the bulb ou tofbulbh older ;.
X Insert the new bulb into bulb holder ;.
X Insert bulb holder ;and turn it clockwise.
X Press on housing cover :and turn it to the
right.
Turn signals X
Remove the cove rinthe front wheel arch
(Y page 124).
X Turn housing cover :anti-clockwise and
remove it.
X Turn bulb holder ;anti-clockwise, unlock it
and pull out.
X Pull the bulb ou tofbulbh older ;.
X Insert the new bulb into bulb holder ;.
X Insert bulb holder ;and turn it clockwise.
X Press on housing cover :turn clockwise and
lock.
X Replace the cove rinthe front wheel arch
(Y page 124). Windscree
nwipers Switchin
gthe windscree nwipers on/
off
! Do not operate the windscreen wiper
swhen
the windscreen is dry ,asthis could damage
the wiper blades. Moreover, dust that ha scol-
lected on the windscreen can scratch the glas
sifw ipingtakes place when the wind-
screen is dry.
If it is necessary to switch on the windscreen wiper sindry weathe rconditions ,always
operate them using washe rfluid.
! If the windscreen wiper
slea ve smears on
the windscreen afte rthe vehicl ehasbeen
washe dinana utomatic car wash, this may be
du etow axor othe rresidue .Clean the wind-
screen with washe rfluid afte ranautomatic
car wash.
! Intermittent wiping with rai
nsensor: du eto
optical influences and the windscreen becom-
ing dirty in dry weathe rconditions ,the wind-
screen wiper smay be activate dinadvertently.
Thi scould damag ethe windscreen wiper
blades or scratch the windscreen.
For this reason, yo ushoul dalway sswitch off
the windscreen wiper sindry weather. 1
$ Windscreen wiper soff
2 Ä Intermittent wipe, lo w(rain sensor set
to lo wsensitivity)
3 Å Intermittent wipe, hig h(rain sensor
set to hig hsensitivity)
4 ° Continuou swipe, slow
5 ¯ Continuou swipe, fast
B í Singlewipe
î To wipe with washe rfluid
X Turn the key to position 1or 2in the ignition
lock (Y page 145).
X Turn the combination switch to the corre-
sponding position.
Vehicles with arain sensor: in theÄor
Å position, the appropriate wiping frequency
is automaticall yset according to the intensity of
the rain. In the Åposition, the rai nsensor is
more sensitive than in the Äposition, caus-
ing the windscreen wiper to wipe more fre-
quently. Windscree
nwipers
125Lights and windscree nwipers Z