2015 MERCEDES-BENZ C-CLASS COUPE start stop button

Problem
Possible causes/consequences and
M
MSolutions The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 343).
or X Jump-start the vehicle (Y page 345).
or X Consult aqualified specialist workshop. The engine cannot be
started using the Start/
Stop button. The key is in
the vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. The key battery is discharged or nearly discharged.
X Check the key battery (Y page 83) and replace if necessary
(Y page 83).
If this does not work: X Start your vehicle with the key in the ignition lock. There is interference from
apowerful source of radio waves.
X Start your vehicle with the key in the ignition lock. You have lost
akey. X
Have the key deactivated at aqualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Doors
Important safety notes
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle. If the vehicle has been locked from the outside,
the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle. You can deactivate the
double lock function by deactivating the interior
motion sensor (see the separate multimedia
system operating instructions). The doors can
then be opened from the inside after the vehicle
has been locked from the outside. The anti-theft alarm system is triggered if the door is opened
from the inside. Switch off the alarm
(Y page 78).
All countries: 86
DoorsOpening and closing

becomes trapped, press the switch to open
the side window again. Opening and closing the side win-
dows
The switches for the side windows are located
on the driver' sdoor. There is also aswitch for
the front-passenger side window on the front-
passenger door.
The switches on the driver' sdoor take prece-
dence. :
Fron tleft
; Fron tright
X Turn the key to position 1or 2in the ignition
lock.
X To open manually: press and hold the cor-
responding button.
X To open fully: press the butto nbeyond the
point of resistance and release it.
Automatic operation is started.
X To close manually: pull the corresponding
butto nand hold it.
X To close fully: pull the buttonbeyond the
point of resistance and release it.
Automatic operation is started.
X To interrupt automatic operation: press/
pull the correspondin gswitch again.
If you press/pull the switch beyond the point of resistance and release, automatic operation is
started in the correspondin gdirection. You can
stop automatic operation by pressing/pulling
again.
You can continue to operate the side windows
after switching off the engin eorremoving the
key. This function remains activ efor five
minutes or until the driver' sorfront-passenger
door is opened. Convenience opening feature
General notes If the key is in the immediate vicinity to the vehi-
cle, the convenience openin gfunction is availa-
ble.
Vehicles with KEYLESS-GO or KEYLESS-GO
star tfunction: you can ventilate the vehicle
before you start driving.
To do this, the key is used to carry out the fol-
lowing function ssimultaneously:
R unlock the vehicle
R open the side windows
R open the sliding sunroof or the panorama slid-
ing sunroof and the roller sunblind
R switch on the seat ventilation for the driver's
seat
The "convenience opening" feature is also avail-
able when the vehicle is unlocked.
Convenience opening feature X
Press and hold the %buttonont he key
until the side windows and the sliding sunroof
or panorama sliding sunroof are in the desired position.
If the roller sunblinds of the panorama sliding sunroof are closed, the roller sunblinds are
opened first.
X Press and hold the %buttononcem ore
until the panorama sliding sunroof reaches
the desired position.
X To interrupt convenience opening: release
the % button. Convenience closing feature
Important safet ynotes G
WARNING
When the convenience closin gfeature is oper-
ating, parts of the body could become trapped
in the closin garea of the side window and the
sliding sunroof .There is arisk of injury.
Observe the complet eclosin gprocedure
when the convenience closin gfeature is oper-
ating. When closin gmake sure that no parts of
the body are in the closin garea. 94
Side windowsOpening and closing

Rain-closin
gfeature Whe
nthe key is in position 0in the ignition lock
or is removed ,the sliding sunroof closes auto-
matically:
R if it starts to rain
R at extreme outsid etemperatures
R afte rsix hours
R if there is amalfunction in the power supply
The rea rofthe sliding sunroof is then raised in
order to ventilate the vehicl einterior.
If the sliding sunroof is obstructe dwhenb eing
closed by the rain-closing feature ,itopens again
slightly. The rain-closing feature is then deacti-
vated.
The sliding sunroof doe snot close if:
R it is raised at the rear.
R it is blocked.
R no rai nisfalling on the are aofthe windscreen
being monitored by the rai nsensor, e.g.
because the vehicl eisunderabridge or in a
carport.
Resetting !
If the sliding sunroof stil
lcanno tbeo pened
or closed fully afte rresetting ,contact aquali-
fie ds pecialist workshop.
Reset the sliding sunroof if it doe snot operate
smoothly.
X Turn the key to position 1or 2in the ignition
lock.
X Raise the sliding sunroof fully at the rear
(Y page 97).
X Press and hol dthe 3 switch presse dfor
another second.
X Make sure that the sliding sunroof can be fully
opened and closed agai n(Ypage 97).
X If this is not the case, repea tthe step sabove
again. Operating the panorama sliding sun-
roof
Opening and closing :
To raise
; To open
= To close/lower
The panorama sliding sunroof can only be oper-
ate dw hent he rolle rsunblind sare open.
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
sponding direction.
If yo upress or pull the 3switch beyond the
point of resistance, automatic operation is star- ted in the corresponding direction. Yo ucan stop
automatic operation by pressing or pulling
again.
If the panorama sliding sunroof is raised at the
rear, it automaticall ylowers slightlyathigher
speeds .The nois elevel in the vehicl einterio ris
reduce dasaresult. At lo wspeeds it raises again
automatically.
You can also temporaril ydeactivate automatic
lowering .Todos o, press the 3button. The
panorama sliding sunroof raises agai nautomat-
ically.
Yo uc an continu etooperate the panorama slid-
ing sunroof afte rswitching off the engine or
removing the key .Thisf unction remains active
for five minutes or unti lyou ope naf ront door.
The panorama sliding sunroof canno tbeo pened
if ar oofcarrie risfitted. In order to allo wventi-
lation of the vehicl einterior, yo ucan raise the
panorama sliding sunroof .Ifaroofcarrier
approved by Mercedes-Benz make scontact
with the panorama sliding sunroof ,the sunroof
will lowe rslightl ybutremain raised in the rear. 98
Sliding sunroofOpening and closing

Rain-closin
gfeature whe nthe engine is
switched off Whe
nthe key is in position 0in the ignition lock
or is removed ,the panorama sliding sunroof
closes automatically:
R if it starts to rain
R at extreme outsid etemperatures
R afte rsix hours
R if there is amalfunction in the power supply
The panorama sliding sunroof remains raised at
the rea rinorder to allo wventilation of the vehi-
cle interior.
If the panorama sliding sunroof is obstructed
when being closed by the rain-closing feature ,it
opens agai nslightly. The rain-closing feature is
then deactivated.
The panorama sliding sunroof doe snot close if:
R it is raised at the rear.
R it is blocked.
R no rai nisfalling on the are aofthe windscreen
being monitored by the rai nsensor. If the
vehicle, for example, is under abridge or in a
carport, the field of the sensor may be cov-
ered.
Rain-closin gfeature whe ndriving The raised panorama sliding sunroof automati-
cally lowers when driving if it starts to rain. The
sliding sunroof is lowered depending on:
R the roa dspeed and
R the intensity of the rain
Yo uc an manually cance lthe automatic closing
procedure .Press or pull the 3switch in any
direction.
To raise the panorama sliding sunroof again,
press the 3button in direction :.
The "Rain-closing feature when driving "function
is deactivated, unti lyou:
R press or pull the 3switch in any direction
or
R turn the key to another position in the ignition
lock (Y page 145) Operating the panorama sliding sun-
roo
frolle rsunblinds
Important safety notes G
WARNING
Parts of the bod ycould become trapped
between the rolle rsun blind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is ariskofi njury.
Whe nopening or closing ,make sure that no
bod yparts are in the sweep of the rolle rsun-
blind.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic opening/closing process
The opening/closing process is stopped.
The rolle rsunblind sshiel dthe vehicl einterior
from sunlight. The rolle rsunblind scan only be
opened and closed when the panorama sliding
sunroof is closed.
Rolle rsunblin dreversin gfeature The rolle
rsunblind sare equipped with an auto-
mati creversing feature .Ifasolid object blocks
or restricts the rolle rblind during the closing
process ,the rolle rblind opens agai nautomati-
cally .However, the automatic reversing feature
is only an aid, not asubstitute for your attention
when closing the rolle rsunblind. G
WARNING
The reversing function doe snot react in par-
ticula rtosoft, light and thin objects, e.g. small
fingers .Thism eans that the reversing feature
canno tprevent someone being trapped in
thes esituations. There is ariskofi njury.
Whe nclosing the rolle rsunblind ,make sure
that no bod yparts are in the sweep.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic closing process
The closing process is stopped. Sliding sunroof
99Opening and closing Z

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

If the wiper blades are worn, the windscreen will
no longer be wiped properly. This could mean
you are unabletoo bserve the traffic conditions. Replacin
gthe wiperb lades
Important safety notes G
WARNING
If the windscree nwipers begin to move while
you are changing the wiper blades, you can be trapped by the wiper arm. There is arisk of
injury.
Alwayss witch off the windscreen wipers and
ignition before changing the wiper blades.
! Never open the bonnet/tailgate if
awiper
arm is folded awayf rom the windscreen/rear
window.
Never fold awindscreen wiper arm withou ta
wiper blade back onto the windscreen/rear
window.
Hold the windscree nwiper arm firmly when
you change the wiper blade. If you release the
wiper arm withou tawiper blade and it falls
onto the windscreen/rear window ,the wind-
screen/rear window may be damaged by the
force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at aqualifieds pe-
cialist workshop.
! To avoid damaging the windscreen wiper
blades, make sure that you touch only the
wiper arm of the windscreen wiper.
Replacing the windscreen wiperb ladesMovingt
he wiperb lades to the vertical
position
On vehicles without KEYLESS-GO:
X Turn the key to position 1or 2in the ignition
lock (Y page 145).
X Set the windscree nwipers to the °posi-
tion.
X When the wiper arms have reached the verti-
cal position, turn the key to position 0and
remove it from the ignition lock.
X Fold the wiper arm awayf rom the windscreen.On vehicles with KEYLESS-GO:
X Switch off the engine.
X Remove yourf oot from the brake pedal.
X Set the windscree nwipers to the °posi-
tion.
X Press the Start/Stop button repeatedly until
the windscree nwipers start.
X When the wiper arms have reached the verti-
cal position, press the Start/Stop button.
X Fold the wiper arm awayf rom the windscreen.
Removing the wiperb lades X
Hold onto the wiper arm with one hand. With
the other hand, turn the wiper blade in the
direction of arrow :awayf rom the wiper arm
as far as it willg o.
X Slide catch ;in the direction of arrow =
until it engages in the removal positio nwith a
noticeable click. X
Remove the wiper blade in the direction of
arrow ?awayf rom the wiper arm. 126
Windscreen wipersLights and windscreenw
ipers

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

X
Convenience closing feature: pressand
hold the grocker switch up or down until
th es ide windows start to close automatically.
Vehicles with sliding sunroof or pano-
rama sliding sunroof: thes lidin gsunroo for
panorama slidin gsunroo fcloses simultane-
ously.
The indicator lamp above the grocker
switch light sup. Air-recirculation mode is
activated.
If you open th eside windows or th esliding
sunroo forthepanorama slidin gsunroo fman-
ually after closin gthemw ith th econvenience
closin gfeature, they will remain in this posi-
tio nw hen opened usin gthe convenience
opening feature.
If part softhebody are in th eclosing area during
convenience closing, proceed as follows:
X Pres sthe W button to stop th eside win-
dows.
The side windows stop.
X To then open th eside windows, pres sthe
W button again.
X Only vehicles with sliding sunroof or pan-
orama sliding sunroof: pressthe 3
switch to stop th eslidin gsunroo forpano-
rama slidin gsunroof.
The slidin gsunroo forpanorama slidin gsun-
roo fstops.
X To then open th eslidin gsunroo forpanorama
slidin gsunroof, pull back on the 3button.
Notes on th eautomatic reversing feature for:
R thes ide windows (Y page 93)
R thes lidin gsunroo forpanorama slidin gsun-
roo f(Ypage 97)
X Convenience opening feature: pressand
hold the grocker switch up or down until
th es ide windows start to open automatically.
Vehicles with sliding sunroof or pano-
rama sliding sunroof: thes lidin gsunroo for
panorama slidin gsunroo fopen ssimultane-
ously.
The indicator lamp above the grocker
switch goes out .Air-recirculation mode is
deactivated. Switching th
eresidual hea ton/off
General notes The residual heat function is onl
yavailable with
THERMATIC automatic climate control with aux-
iliary heating.
When th eengine is switche doff,itisp ossible to
mak euse of th eresidual heat of th eengine to
continue heating or ventilating th efront com-
partmen tofthevehicle for approximately
30 minutes .The heating or ventilation time
depends on th eset interio rtemperature.
Activating/deactivating X
Turn th ekey to position 0in th eignitio nlock
or remove it (Y page 145).
X To switch on: pressthe ! rocker switch
up or down.
The indicator lamp above the !rocker
switch light sup.
The blower will run at alow speed regardless of
th ea irflow setting.
If you activat ethe residual heat function at high
temperatures, onl ythe ventilation will be acti-
vated. The blower run satmedium speed.
X To switch off: pressthe ! rocker switch
up or down.
The indicator lamp above the !rocker
switch goes out.
Residual heat is deactivated automatically:
R after approximatel y30minutes
R when th eignitio nisswitche don
R if th ebattery voltage drops
R when th eauxiliar yheating is switche don Perfume atomiser
Operating th eperfume atomiser G
WARNING
If children open th evial, they could drin kthe
perfume or it could com eintoc ontac twith
their eyes. Ther eisarisk of injury. Do not
leave children unsupervised in th evehicle.
If th eperfume liquid has been drunk, consult
ad octor. If perfume comes int ocontac twith
your eyes or skin, rinse th eeyes with clean 136
Operating th
eclimate control systemClimate control