2015 MERCEDES-BENZ C-CLASS COUPE engine

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

Correct driver's seat position
G
WARNING
You coul dlose control of th evehicle while
driving if you:
R adjust th edriver' sseat ,steering wheel or
mirrors
R fasten th eseat belt
Ther eisar iskofana ccident.
Adjust th edriver' sseat ,head restraint ,steer-
ing wheel and mirror sand fasten your seat
belt before starting th eengine. Observ
ethe followin gwhen adjusting steering
wheel :,seat belt ;and driver' sseat =:
R you are as far away from th edriver' sairbag as
possible
R you are sittin ginanormalupright position
R your thighs are slightly supported by th eseat
cushion
R your legs are no tentirely stretched and you
can depress th epedals properly
R theb ack of your head is supported at eye level
by th ecentr eoft hehead restraint
R you can hold th esteering wheel wit hyour
arm sslightly bent
R you can mov eyour legs freely
R you can see all th edisplays in th einstrument
cluste rclearly R
you should have agood overview of traffic
conditions
R thes eat belt is pulled snugly against th ebody
and must be routed across th ecentr eofy our
shoulder and across your hips in th epelvic
area
Further related subjects:
R Manual and electrical seat adjustment
(Y page 104)
R Electrical seat adjustmen t(Ypage 104)
R Adjusting th esteering wheel mechanically
(Y page 110) or electricall y(Ypage 111).
R Fastenin gthe seat belt correctly (Y page 43).
R Adjustin gthe rear-view mirror and exterior
mirror s(Ypage 113).
R You can store th eseat ,steering wheel ,exte-
rior mirror and head-up display settings with
th em emory function (Y page 116). Seats
Important safety notes
G
WARNING
If childre nadjust th eseats, they could
become trapped, especiall yiftheya re unat-
tended. Ther eisariskofi njury.
When leaving th evehicle ,always tak ethe key
wit hyou and loc kthe vehicle .Never leave
childre nunattende dinthevehicle.
The seat scan still be adjusted when there is no
ke yint heignition lock. G
WARNING
When adjusting aseat ,you or another vehicle
occupan tcoul db ecome trapped by th eguide
rail of th eseat ,for instance. Ther eisariskof
injury.
Mak esure that no on ehas any part of their
body within th esweep of th eseat when
adjusting it.
Observ ethe safety note son"Airbags"
(Y page 44) and "Children in th evehicle"
(Y page 55). 102
SeatsSeats, steerin
gwheel and mirrors

G
WARNING
If the driver's seat is not correctly engaged, it coul dunexpectedly move while driving. This
coul dcausey ou to lose control of the vehicle.
There is arisk of an accident.
Always ensure that the driver's seat is
engaged before starting the vehicle. G
WARNING
You coul dlose control of the vehicl ewhile
driving if you:
R adjust the driver's seat, steering whee lor
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, headr estraint, steer-
ing whee land mirrors and fasten yours eat
beltb efore starting the engine. G
WARNING
If you adjust the seat height carelessly, you or other vehicl eoccupants coul dbetrappe dand
thereby injured .Childre ninparticular could
accidentally press the electrica lseat adjust-
ment buttons and become trapped. There is a
risk of injury.
Whil emoving the seats, make sure that your
hands or other body parts do not get under the
leve rassembly of the seat adjustment sys-
tem. G
WARNING
The headr estraints cannot provid ethe inten-
ded protection unless they are fitted and
adjusted correctly. There is an increased risk of injury to the heada nd neck in the event of
an accident or sudden braking, for example.
Always drive with the headr estraints fitted.
Ensure that the centre of the headr estraints
support the back of each vehicl eoccupant's
headate ye levelbefore driving off. G
WARNING
The seat beltd oes not offer the intended level
of protection if you have not moved the back- rest to an almost vertical position. When brak-
ing or in the event of an accident, you could
slid eunderneath the seat belta nd sustain
abdomen or neck injuries, for example. This
poses an increased risk of injury or even fatal
injury.
Adjust the seat properly before beginning
yourj ourney .Always ensure that the backrest
is in an almost vertical position and that the
shoulders ection of yours eatbelt is routed
across the centre of yours houlder.
! To avoi
ddamage to the seats and the seat
heating, observe the following information:
R do not spil lany liquidsont he seats. If liquid
is spilled on the seats, dry them as soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat heat-
ing should alson ot be used to dry the seats.
R clea nthe seat covers as recommended;
see "Interio rcare".
R do not transport heav yloads on the seats.
Do not place sharp objects on the seat
cushions, e.g. knives, nail sortools. The
seats should only be occupied by passen-
gers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating materi-
als,e .g. blankets, coats, bags, seat covers,
child seats or booster seats.
! Make sure that there are no objects in the
footwel lunder or behind the seats when mov-
ing the seats back. There is arisk that the
seats and/or the objects coul dbedamaged.
i The rear-compartment head restraints can
be removed (Y page106).
Vehicles without the through-loading feature:
the head restraints cannot be removed from
the rear-compartment seats.
For more information, contact aqualified spe-
cialist workshop.
i Related topic:
R Through-loading facility in the rear bench
seat (Y page102) Seats
103Seats, steering wheel and mirrors Z

i
Furthe rrelated subjects:
R You can store the sea tsetting susing the
memory function (Y page 116).
R If PRE-SAFE ®
is triggered ,the front-
passenger sea twillbem ovedtoab etter
positio nifitw aspreviousl yinanunfavour-
able positio n(Ypage 54).
R Whe nthe sea tismovedforward sorback-
wards, the headrest is move dupordown
automatically.
Vehicles with AMG Performance Seat: the
height of the hea drestraints cannot be adjus-
ted. Adjusting the head restraints
Important safety notes G
WARNING
You could los econtrol of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the sea tbelt
There is arisk of an accident.
Adjus tthe driver's seat, hea drestraint, steer-
ing wheel and mirrors and fasten your seat
bel tbefore starting the engine. G
WARNING
The hea drestraints cannot provide the inten-
ded protection unless they are fitted and
adjuste dcorrectly .There is an increased risk
of injur ytothe hea dand neck in the event of
an accident or sudden braking, for example.
Alway sdrive with the hea drestraints fitted.
Ensure that the centre of the hea drestraints
support the back of each vehicle occupant's
hea date yelevel before driving off.
General notes Observe the important safety notes
(Y
page 102).
Do not interchange the hea drestraints of the
front and rea rseats. Otherwise ,you will not be able to adjust the height and angl
eofthe head
restraints to the correct position.
Adjusting the head restraint height
manually X
To raise: pull the hea drestraint up to the
desire dposition.
X To lower: press release catch :and push
the hea drestraint dow ntothe desire dposi-
tion.
Adjusting the head restraint fore-and-
aft positio nmanually Thi
sfunction allow syou to adjust the distance
between the hea drestraint and the back of the
head.
X To move forwards: pull the headrestraint
forward sinthe directio nofthe arro wuntil it
engages in the desire dposition.
X To move backwards: press and holdrelease
button :.
X Push the hea drestraint back.
X Release the release button once the head
restraint is in the desire dposition.
X Ensure that the hea drestraint has engaged
properly. Seats
105Seats, steering wheel and mirrors Z

Problems with the seat heating or seat ventilation
Problem
Possible causes/consequences and
M
MSolutions Seat heating or seat ven-
tilation has been
switched off prematurely
or cannot 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.
Once the battery is sufficiently charged, the seat heating or seat
ventilation can be switched back on manually. Steering wheel
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
Children could become trapped by the steer-
ing wheel if they adjust it. 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.
The electrically adjustable steering wheel can
still be adjusted when there is no key in the igni-
tion lock. Adjusting the steering wheel man-
ually
:
Release lever
; To adjust the steering wheel height
= To adjust the steering wheel position (fore-
and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired posi-
tion.
X Push release lever :up completely.
The steering column is locked.
X Check if the steering column is locked. When
doing so, try to push the steering wheel up or
down or try to move it in the fore-and-aft
direction. 110
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