2017 MERCEDES-BENZ C-Class COUPE key

Problems with the side windows
GWARNING
If you close aside window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing feature is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury or
even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, release
the switch or push the switch again to reopen the side window.
ProblemPossible causes/consequences and MSolutions
Aside window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide.XRemove the objects.
XClose the side window.
As ide window cannot be
closed and you cannot
see the cause.If as ide window is obstructed during closing and reopens again
slightly:
XImmediately after the window blocks, pull the correspondings witch
again until the side window has closed.
The side window is closed with increased force.
If as ide window is obstructed again during closing and reopens again
slightly:
XImmediately after the window blocks, pull the correspondings witch
again until the side window has closed.
The side windows are closed without the automatic reversing fea-
ture.
Sliding sunroof
Important safety notes
Your vehicle may be equippedw ithasliding
sunroof or apanorama roof with power tilt/slid-
ing panel. In this section ,the term "sliding sun-
roof" refers to both types of sliding sunroof.
GWARNING
While opening and closing the sliding sunroof, body parts in close proximity could become
trapped. There is arisk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro-
cedures.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rduring automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
GWARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are left unsupervised. There is arisk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
90Sliding sunroof
Opening and closing

!Only open the sliding sunroof if it is free of
snow and ice. Otherwise, malfunctions may
occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could be
damaged.
!The weather can change abruptly.Itc ould
start to rain or snow. Make sure that the slid-
ing sunroof is closed when you leave the vehi-
cle. The vehicle electronics can be damagedi f
water enters the vehicle interior.
Resonance noises can occur in addition to the
usuala irflow noises when the sliding sunroof is
open. They are caused by minor pressure fluc-
tuations in the vehicle interior. Change the posi-
tion of the sliding sunroof or open aside window
slightly to reduce or eliminate these noises.
Only for vehicles with panoramar oof with
power tilt/sliding panel:
GWARNING
At high speeds the raised sliding sunroof auto-
matically lowers slightly at the rear. This could
trap you or other persons. There is arisk of
injury. Make sure that nobody reaches into
the sweep of the sliding sunroof whilst the
vehicle is in motion.
If somebody becomes trapped, immediately
pull back the sliding sunroof switch. The slid-
ing sunroof lifts during opening.
Sliding sunroof reversing feature
Your vehicle may be equipped with asliding
sunroof or apanorama roof with power tilt/slid-
ing panel. In this section, the term "sliding sun-
roof" refers to both types of sliding sunroof.
The sliding sunroof is equipped with an auto-
matic reversing feature. If asolid object blocks
or restrictst he sliding sunroof during the closing
process, the sliding sunroof opens againa uto-
matically.T he automatic reversing feature is
only an aid and is no substitute for your attention
when closing the sliding roof.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rover the last 1/6 in (4 mm) of the closing
movement
Rduring resetting
Rwhen closing the sliding sunroof againm an-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is arisk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rrelease the switch immediately,o r
Rpress the switch in any direction during the
automatic closing process
The closing process is stopped.
Operating the sliding sunroof
Opening and closing
:To raise
;To open
=To close/lower
XTurn the SmartKey to position 1or 2in the
ignition lock.
XPress or pull the 3switch in the corre-
sponding direction.
If you press or pull the 3switch beyond the
point of resistance, automatic operation is star-
ted in the corresponding direction. You can stop
Sliding sunroof91
Opening and closing
Z

automatic operationbypressingorp ulling
again.
When opening and raising th eroof, automatic
operatio nisonlya vailabl eiftheslidings unroof
is in th eclosed position.
The sun protection cover automatically opens
alongw ith theslidings unroof. You can open or
close th esun protection cover manually when
th es lidings unroofisraisedorc losed.
You can continue to operate th eslidings unroof
after switching off th eengine or removin gthe
SmartKey from th eignition lock. This function is
availabl efor up to fiv eminute soru ntil th edriv-
er'sorf ront-passenger door is opened.
Resetting
!If theslidings unroofstill canno tbeopened
or closed fully after resetting, contac taquali-
fied specialist workshop.
Reset th eslidings unroofifitd oes no tmove
smoothly.
XTurn th eSmartKey to position 1or 2in the
ignition lock.
XRaise th eslidings unrooffully at th erear
(Ypage 91).
XKeep the 3switch pressed for another
second.
XMakes ure that th eslidings unroofcan be fully
opened and closed again (Ypage 91).
XIf this is no tthe case, repeat th esteps above.
Operating th epanoram aroof with
power tilt/sliding panel
Opening and closing
:To raise
;To open
=To close/lower
The panoram aroo fw ith power tilt/slidingp anel
can only be operate dwhen th eroller sunblindi s
open.
XTurn th eSmartKey to position 1or 2in the
ignition lock.
XPres sorp ull the 3switch in th ecorre-
spondingd irection.
If you pres sorpull the 3switch beyondt he
pointofr esistance, automatic operatio nisstar-
te dint hecorrespondingd irection.You can stop
automatic operatio nbypressingorp ulling
again.
If th epanoram aroofw ith power tilt/sliding
pane lisraisedatt herear ,ita utomatically low-
ers slightly at higher speeds. The noise leveli n
th ev ehicle interiorisr educed asaresult. At low
speeds it raise sagain automatically.
You can also temporarily deactivate automatic
lowering .Todos o, pressthe 3 switch .The
panoram aroofw ith power tilt/slidingp anelrai-
ses again automatically.
You can continue to operate th epanoram aroof
with power tilt/slidingp anelafter you switch off
th ee ngine or remove th eSmartKey. This func-
tio nr emains active for fiv eminute soru ntil you
open afront door.
When aroofcarrier is mounte dthe panorama
roo fwith power tilt/slidingp anelcanno tbe
opened. The panoram aroo fw ith power tilt/slid-
ing pane lcan still be raise dtoallow ventilation
of th evehicle interior. If th epanoram aroofw ith
power tilt
/slidingp
anelmakes contac twith a
92Sliding sunroof
Opening and closing

roof carrierapproved by Mercedes-Benz, the
sunroof wil llower slightly but remai nraised at
the rear.
Rain-closing feature
The raised panorama roof with powe rtilt/sliding
panel automatically lowers when driving if it
starts to rain. The sliding sunroof is lowered
depending on:
Rthe road speeda nd
Rthe intensity of the rain
You can manually cancel the automatic closing
procedure. Press or pul lthe 3 switch in any
direction.
To rais ethe panorama roof with powe rtilt/slid-
ing panel again, press the 3switch in direc-
tion :.
The rain-closing feature is then deactivated until
you:
Rpress or pul lthe 3 switch in any direction
or
Rturn the SmartKey to another position in the
ignitio nlock (Ypag e131)
Operating the rolle rsunblinds for the
panorama roof with powe rtilt/sliding
panel
Important safety notes
GWARNING
Parts of the body could become trapped
between the roller sunblind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is arisk of injury.
When opening or closing, make sure that no
body parts are in the swee pofthe roller sun-
blind.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rduring automatic operation, push the
switch briefl yinany direction
The opening or closing procedure wil lbestop-
ped.
The roller sunblinds shield the vehicl einterior
from sunlight. The roller sunblinds can only be opened and closed when the panorama roof
with powe
rtilt/sliding panel is closed.
Roller sunblind reversing feature
The roller sunblinds are equipped with an auto-
matic reversing feature .Ifasolido bject blocks
or restricts aroller sunblind during the closing
process, the roller sunblind opens again auto-
matically. However, the automatic reversing
feature is only an aid and does not relieve you of
the responsibility of paying attention when clos-
ing the roller sunblinds.
GWARNING
The reversing feature does not react in par-
ticula rtosoft, light and thin objects, e.g. small
fingers. This means that the reversing feature
cannot prevent someone being trappe din
these situations. There is arisk of injury.
When closing the roller sunblind, make sure
that no body parts are in the swee parea.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rpress the switch in any directio nduring the
automatic closing process
The closing process is stopped.
Opening and closing the rolle rsun-
blinds
:To open
;To open
=To close
You can only close the roller sunblinds when the
panorama roof with powe rtilt/sliding panel is
closed.
Sliding sunroof93
Opening and closing
Z

XTurn the SmartKey to position1or 2in the
ignition lock.
XPress the 3switch in direction :.
Both roller sunblinds open, then the pano-
rama roof with power tilt/sliding panel is
raised.
XPull the 3switch in direction ;.
The sunblinds open.
XPull the 3switch in direction =.
The roller sunblinds close when the panorama
roof with power tilt/sliding panel is closed.
If you press or pull the 3switch beyond the
point of resistance, automatic operation is star-
ted in the corresponding direction .You can stop
automatic operation by pressing or pulling
again.
Resetting the panorama roof with
power tilt/sliding panel or the front
roller sunblind
!
If the panorama roof with power tilt/sliding
panel and the roller sunblinds cannot be fully
opened or closed after resetting, contact a
qualified specialist workshop.
Reset the panorama roof with power tilt/sliding
panel or the roller sunblinds if the panorama
roof with power tilt/sliding panel or the front
roller sunblind does not move smoothly.
XTurn the SmartKey to position 1or 2in the
ignition lock.
XPull the 3switch repeatedly to the point of
resistanc einthe direction of arrow :until
the panorama roof with power tilt/sliding
panel is fully closed.
XKeep the 3switch pulled for an additional
second.
XPull the 3switch several times in the
direction of arrow :until the roller sunblinds
are closed.
XKeep the 3switch pulled for an additional
second.
XMake sure that the panorama roof with power
tilt/sliding panel and the roller sunblinds can
be fully opened and closed again.
XIf this is not the case, repeat the steps above
again.
94Sliding sunroof
Opening and closing

Correct driver's seat position
GWARNING
You coul dlose control of your vehicle if you do
th ef ollowingw hile driving:
Radjust thedriver'ss eat,head restraint,
steering wheel or mirrors
Rfasten th eseat belt
Thereisar iskofana ccident.
Adjust th edriver'ss eat,head restraint ,steer-
ing wheel and mirror and fasten your seat belt before starting th eengine.
Observ ethe followingw hen adjusting steering
wheel :,seat belt ;and driver'ss eat=:
Ryou are as far away from th edriver'sa ir bag as
possible.
Ryou are sittin ginanormalupright position.
Ryour thighs are slightly supported by th eseat
cushion.
Ryour legs are no tentirely stretched and you
can depress th epedals properly.
Rtheb ack of your head is supported at eye level
by th ecente roft hehead restraint.
Ryou can hold th esteering wheel withy our
arm sslightly bent.
Ryou can mov eyour legs freely.
Ryou can see all th edisplays in th einstrument
cluste rclearly.
Ryou should have agood overview of traffic
conditions.
Rth es eat belt is pulled snugly against th ebody
and is routed across th ecente rofy our shoul-
der and across your hips in th epelvic area.
Further related subjects:
RElectrical seat adjustmen t(Ypage 98)
RAdjustingthe steering wheel mechanically
(Ypage 103) or electricall y(Ypage 104).
RFasteningthe seat belt correctly (Ypage 45).
RAdjustin gthe rear-view mirror and exterior
mirror s(Ypage 106).
RYou can store th eseat,s teering wheel,e xte-
rior mirror and head-up display settings with
th em emory function (
Ypage 109).
Seats
Important safety notes
GWARNING
Children coul dbecome trapped if they adjust
th es eats, particularly when unattended.
Thereisar iskofi njury.
When leaving th evehicle ,always tak ethe
SmartKey withy ou and lockthevehicle .Never
leave childre nunsupervised in th evehicle.
The seatsc an still be adjusted when there is no
SmartKey in th eignition lock.
GWARNING
When you adjust aseat,y ou or other vehicle
occupants coul dbecome trapped, e.g .onthe
seat guide rail. Thereisar iskofi njury.
Makes ure when adjusting aseat that no one
has any body part sinthesweep of th eseat.
Observ ethe safety note son"Air bags"
(
Ypage 46 )and "Children in th eVehicle"
(Ypage 57).
GWARNING
If th edriver'ss eat is no tengaged,itc ould
mov eunexpectedly while th evehicle is in
motion.T his couldcaus eyou to lose control of
th ev ehicle .Thereisar iskofana ccident.
Always mak esure that th edriver'ss eat is
engaged before starting th evehicle.
96Seats
Seats, steerin gwheel and mirrors

The three red indicator lamps in the button indi-
cate the heating level you have selected.
The system automatically switches down from
level3to level 2after approximately eight
minutes.
The system automatically switches down from
level 2to level 1after approximately ten
minutes.
The system automatically switches off approx-
imately 20 minutes after it is set to level 1.
XTurn the SmartKey to position1or 2in the
ignition lock (Ypage 131).
XTo switch on: press button:repeatedly
until the desired heating level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
iIf drive program E(Ypage 144) is selected,
the power of the seat heating is reduced.
Switching the seat ventilation on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have selected.
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 131).
XTo switch on: press button:repeatedly
until the desired ventilation level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iYou can open the side windows and the slid-
ing sunroof using the "Convenienc eopening"
feature (
Ypage 88). The seat ventilation of
the driver's seat automatically switches to the
highest level.
iWhen the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
102Seats
Seats, steering wheel and mirrors

Problems with the seat heating or seat ventilation
ProblemPossible causes/consequences andMSolutions
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumers that you do not need, such as the
rear window defroster 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
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint,s teer-
ing wheel and mirror and fasten your seat belt before startin gthe engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is arisk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised 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
;Adjustst he steering wheel height
=Adjuststhe steering wheel position (fore-
and-aft adjustment)
XPush release lever :down completely.
The steering column is unlocked.
XAdjust the steering wheel to the desired posi-
tion.
XPush release lever :up completely.
The steering column is locked.
XCheck 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.
Steering wheel103
Seats, steering wheela nd mirrors
Z