2017 MERCEDES-BENZ C-Class COUPE Owner's Manual

Problems with the sliding sunroof
Your vehicle may be equippedwithasliding sunroof or apanorama roof with power tilt/sliding
panel. In the following section ,the term "sliding sunroof" refers to both sliding sunroof variants.
GWARNING
If you close the sliding sunroof again immediately after it has been blocked or reset, the sliding
sunroof 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.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rpress the switch in any direction during the automatic closing process
The closing process is stopped.
!If the sliding sunroof still cannot be opened or closed as aresult of amalfunction ,contact a
qualified specialist workshop.
ProblemPossible causes/consequences and MSolutions
The sliding sunroof or
panorama roof with
power tilt/sliding panel
cannot be closed and
you cannot see the
cause.If the sliding sunroof or panorama roof with power tilt/sliding panel is
obstructed during closing and reopens again slightly:
XImmediately after it blocks, pull the3switch down again to the
point of resistance until the sliding sunroof or panorama roof with
power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding panel is
closed with more force.
If the sliding sunroof or panorama roof with power tilt/sliding panel is
obstructed again during closing and reopens again slightly:
XImmediately after it blocks, pull the 3switch down again to the
point of resistance until the sliding sunroof or panorama roof with
power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding panel is
closed without the automatic reversing feature.
Sliding sunroof95
Opening and closing
Z

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

GWARNING
You coul dlose control of you rvehicl eifyou do
the following while driving:
Radjust the driver's seat, headr estraint,
steering whee lormirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, headr estraint, steer-
ing whee land mirror and fasten you rseat belt
before starting the engine.
GWARNING
If you adjust the seat height carelessly, you or
other vehicleo ccupants couldbetrappe 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.
GWARNING
If the headr estraints are not installed or not
adjusted correctly, they cannot providep ro-
tection as intended. There is an increased risk
of injury in the heada nd neck area,e.g. in the
event of an accident or when braking.
Always drive with the headr estraints instal-
led .Before driving off, make sure for every
vehicleo ccupant that the center of the head
restraint supports the back of the heada t
about eye level.
GWARNING
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
posesani ncreased risk of injury or even fatal
injury.
Adjust the seat properly before beginning
you rjourney .Always ensure that the backrest
is in an almost vertical position and that the
shoulde rsection of you rseat beltisr outed
across the center of you rshoulder.
!To avoi ddamage to the seats and the seat
heating, observe the following information:
Rkeep liquid sfrom spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat heat-
ing should als onot be used to dry the seats.
Rclea nthe seat covers as recommended;
see "Interio rcare".
Rdo 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.
Rwhen 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.
iThe rear-compartment head restraints can
be removed (Ypag e99).
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.
iRelated topic:
RRea rbench seat through-loading feature
(Ypag e96)
Seats97
Seats, steering wheel and mirrors
Z

Adjusting theseats electri cally
Electricallyadjusta bles eats wit hmem-
ory function
:Hea drestrain theight
;Backrest angle
=Seat height
?Seat cushion lengt h
ASeat cushion angle
BSeat fore-and-aftadjustmen t
iFurther relate dsubjects :
RYou can store th eseat setting susingthe
memory function (Ypage 109).
RIf PRE-SAFE®is triggered ,the front-
passenger seat will be moved to abette r
position if it was previously in an unfavora-
ble position (
Ypage 55).
RWhen theseat is moved forward sorback-
wards, th eheadres tismoved up or down
automatically.
Vehicles wit hAMG Performance Seat: th e
height of th ehead restraints canno tbeadjus-
ted.
Electricall yadjusta bles eats withou t
memory function
:Backrest angle
;Seat height
=Seat cushion lengt h
?Seat cushion angle
ASeat fore-and-aftadjustmen t
Adjusting th eheadr estraints
Import ant safety notes
GWARNIN G
You could lose control of your vehicl eifyou do
th ef ollowin gwhile driving:
Radjust th edriver's seat ,head restraint,
steering whee lormirrors
Rfaste nthe seat belt
There is ariskofana ccident.
Adjus tthe driver's seat ,head restraint, steer -
ing whee land mirror and faste nyour seat belt
before starting th eengine.
GWARNIN G
If th ehead restraints are no tinstalled or no t
adjusted correctly, they canno tprovid epro-
tection as intended. There is an increased ris k
of injury in th ehead and neck area, e.g. in th e
event of an acciden torwhen braking .
Always drive wit hthe head restraints instal -
led. Befor edrivin goff,m akes uref or every
vehicl eoccupant that th ecenter of thehead
restrain tsupport sthe bac koft hehead at
about eye level.
Genera lnotes
Pay attention to th eimportant safet ynotes
(Ypage 96).
Do no trotate th ehead restraints of th efront and
rear seats. Otherwise ,you canno tadjust th e
height and angle of th ehead restraints to th e
correc tposition .
98Seats
Seats,steering wheel and mirrors

Adjusting theheadr estrain theight
ma nually
XTo raise: pull thehead restrain tuptothe
desired position .
XTo lower:press release catch :and push
th eh ead restrain tdown to th edesired posi-
tion .
Adjusting th eheadr estrain tfore-and-
af tp osition manually
Withthisf unction you can adjust th edistanc e
between th ehead restrain tand th ebackoft he
seat occupant's head .
XTo moveforwards :pull th ehead restrain t
forward sinthedirection of th earrow until it
engage sinthedesired position .
XTo movebackwards :press and hold release
butto n:.
XPush th ehead restrain tback.
XReleas ethe release butto noncet he head
restrain tisinthedesired position .
XEnsurethatthe head restrain thas engage d
properly.
Adjusting th eheight oftheh ead
restraints electri cally
XTo adjust theheadr estrain theight :slid e
th es witch for head restrain tadjustmen t
(
Ypage 98) up or down in th edirection of th e
arrow.
Vehicles wit hAMG Performance Seat: th e
height of th ehead restraints canno tbeadjus-
ted.
Adjusting th erears eath eadr estraint
height
XOnce th ehead restrain tisfully lowered, press
release catch :.
XTo raise:pull thehead restrain tuptothe
desired position .
XTo lower:press release catch :and push
th eh ead restrain tdown until it is in th e
desired position .
Installing and removing rea rhead
restraints
XReleas ethe rear seat backrest and fol dit
slightly forward s(Ypage 270).
XTo remove:pull thehead restrain tuptothe
stop.
XPress release catch :and pull th ehead
restrain tout of th eguides.
XTo re-install :insert th ehead restrain tsothat
th en otche sonthebar are on th eleftw hen
viewed in th edirection of travel .
XPush thehead restrain tdown until you hear it
engage in position .
XFold backthe rear seat backrest until it
engages.
Seats99
Seats ,steering wheel and mirrors
Z

Folding thefront seat backrests
forward/back
Important safety notes
GWARNIN G
If th ebackrest is no tengaged, it could fol d
forwards durin gabraking maneuve rorinthe
event of an accident, for example .The seat
backrest will then push th evehicl eoccupant
against th eseat belt .The seat belt can no
longer offer th eintended leve lofprotection
and could eve ncaus einjuries. Ther eisan
increased ris kofinjury.
Before eac hjou rney, mak esure that th eback-
res tengage sfully as described.
GWARNIN G
You could lose control of your vehicl eifyou do
th ef ollowin gwhile driving :
Radjust thedriver' sseat ,steering whee lor
mirror s
Rfastenthe seat belt
Ther eisar iskofana ccident.
Adjus tthe driver' sseat ,steering whee lor
mirror sand faste nyour seat belt before start -
ing th eengine.
GWARNIN G
When you adjust aseat ,you or other vehicl e
occupant scould become trapped ,e.g.ont he
seat guide rail. Ther eisariskofi njury.
Mak esure when adjusting aseat that no on e
has any body part sintheswee poft heseat .
Observ ethe safet ynotes on "Air bags "
(
Ypage 46 )and "Children in th eVehicle"
(Ypage 57) .
Folding th eseat backres tforward
Wit hthe EASY-ENTRY system, th eseat moves
forwards as soo nasyou foldthe backrest for -
wards and pull th eseat forwards horizontally.
This makes it easie rfor passenger stoget into
and out of th erear compartment.
The head restraint also lower sonvehicles wit h
electric seat adjustment.
XVehicles without memory function:
release th ehead restraint if necessar yand
push it down .
XUse seat release handle :and fol dthe back-
res tforwards until th eseat backrest engages.
XPush th eseat as far forwards as it will go.
XVehicles with memory function: use seat
release handle :and fol dthe backrest for -
wards as far as it will go.
The seat moves automatically to th eforemost
position .
Folding th eseat backres tback
XVehicles without memory function: push
th es eat backrest bac khorizontally until th e
seat reaches th eposition that was previously
set .
XFold th eseat backrest backwards until you
hear it engage .Dosoinasmoothmanner.
If th erear seat backrest is no tengaged, this
will be shown in th emultifunction display in
th ei nstrumen tcluster. Awarning tone also
sounds.
XAfte rthe seat backrest has been folded back,
check th eposition of th ehead restraint and
set it to th ecorre ct position .
XVehicles with memory function: swing
bac kthe seat backrest .
If th erear seat backrest is no tengaged, this
will be shown in th emultifunction display in
100Seats
Seats, steering wheel and mirrors

the instrument cluster.Awarning tone also
sounds.
The seat moves automaticall ytothe stored
position.
If the previous positio ncan no longe rbeset,e .g.
because of luggag einthe rear-compartment
footwell or after occupants have entered the
rear-compartment:
XUse seat release handle :agai nand return
the seat backrest to an upright position.
The seat locks in the new seat fore-and-aft
adjustment position.
Adjusting the 4-way lumbar support
:Raises the backrest contour
;Softens the backrest contour
=Lowers the backrest contour
?Hardens the backrest contour
Yo uc an adjus tthe contour of the front seat
backrests individually to provid eoptimum sup-
port for your back.
Adjusting the AM GPerformanc eSeat
To adjus tthe contour of the seat and for
improved latera lsuppo rt, yo ucan individually
adjus tthe front seats.
Adjusting the side bolsters of the seat cush-
ion
XTo narrow: press button :.
XTo broaden: press button;.
Adjusting the side bolsters of the seat back-
rest
XTo narrow: press button =.
XTo broaden: press button?.
Seat heatingand seat ventilation
Switchin gthe seat heatin gon/of f
GWARNING
Repeatedl yswitching on the seat heating can
cause the seat cushion and backrest pads to
become ver yhot. Th ehealth of persons with
limited temperatur esensitivity or alimit ed
ability to react to excessivel yhight empera-
tures maybea ffecte dort heym ayeve nsuffer
burn-like injuries. There is ariskofi njury.
Therefore, do not switch the seat heating on
repeatedly.
Seats101
Seats, steering wheel andmirrors
Z

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