MERCEDES-BENZ C-CLASS COUPE 2021 Owners Manual

#
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. &
WARNING Risk of becoming trapped
when thero ller sunblind is being opened
and closed
Body parts may become trapped between
th ero ller sunblind and frame or sliding roof. #
When opening or closing, make sure
that no body parts are in thero ller sun‐
blind's range of mo vement. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The opening or closing process will be
st opped. *
NO
TEMalfunction due tosnow and ice Snow and ice may cause
the sliding sunroof
to malfunction. #
Open the sliding sunroof only if it is free
of snow and ice. *
NO
TEDama gecaused byprotru ding
objects Objects
that pr otru de from the sliding sun‐
ro of may damage the sealing strips. #
Do not allow anything toprotru de from
th e sliding sunroof. *
NO
TEImpo rtant points toremember
when a roof luggage rack isfitted When a
roof luggage rack isfitted, raising or
opening the sliding sunroof may be limited. #
Check whe ther the sliding sunroof can
be raised or opened when a roof lug‐
ga ge rack isfitted. #
If in doubt, do not raise or open the
sliding sunroof. 1
Toraise
2 Toopen
3 Toclose/l ower
Use the3 button tooperate the panorama
sliding sunroof and thero ller sunblind. 88
Opening and closing

The panorama sliding sunroof can be operated
only when
thero ller sunblind is open. #
Check whe ther the sliding sunroof can be
ra ised or opened when a roof luggage rack is
fi tted. #
Tostart automatic operation: pressthe
3 button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: briefly
press the3 button in any direction.
The opening/closing process will be stop‐
ped.
Au tomatic reve rsing function of the sliding
sunroof
If an obs tacle obstructs the sliding sunroof dur‐
ing the closing process, the sliding sunroof will
open again automaticall y.The automatic reve rs‐
ing function is only an aid and is not a substitute
fo ryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere ve rsing function being
active
In particular, there ve rsing function does not
re act:
R tosoft, light and thin objects, e.g. fingers.
R towa rdsth e end of the closing procedure.
R during resetting. #
During the closing process, make sure
th at no body parts are in the closing
area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The closing process will be stopped. Au
tomatic reve rsing function of thero ller
sunblind
If an obs tacle obstructs thero ller sunblind dur‐
ing the closing process, thero ller sunblind will
open again automaticall y.The automatic reve rs‐ ing function is only an aid and is not a substitute
fo ryo ur attentiveness. #
When closing thero ller sunblind, make sure
th at no body parts are in thera nge of mo ve‐
ment. &
WARNING Risk of becoming trapped
despi tereve rsing function
In particular, there ve rsing function does not
re act tosoft, light and thin objects, e.g. fin‐
ge rs. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during the automatic closing process.
The closing process will be stopped. Opening and closing
89

Au
tomatic functions of the sliding sun roof %
The term "sliding sun roof" also refers to the
panorama sliding sunroof.
The sliding sunroof will be closed automatically
when theve hicle has been switched off in the
fo llowing situations:
R if it starts torain
Ra in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supp ly
The sliding sunroof will rise at there ar in order
to continue ventilating theve hicle interior.
If th e sliding sunroof is obstructed during an
automatic closing procedure, thero of will be
opened again slightly. The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Ra
in closing function when driving
Ve hicles with a panorama sliding sunroof: if
it starts torain, thera ised sliding sunroof will
automatically be lo wered while theve hicle is in
motion.
Au tomatic lo wering function
Ve hicles with a panorama sliding sunroof: if
th e sliding sunroof is raised at there ar, it will
automatically be lo wered slightly at higher
speeds. Atlow speeds, it will be raised again
automaticall y. &
WARNING Risk of becoming trapped by
automatic lo wering of the sliding sunroof
At higher speeds, thera ised sliding sunroof
will automatically be lo wered slightly at the
re ar. #
Make sure that nobody reaches into the
sliding sunroof's range of mo vement
while theve hicle is in motion. #
If somebody becomes trapped, briefly
push the sliding sunroof button for‐
wa rds or backwards. %
By pushing or pulling the3 button, you
can inter rupt the automatic functions: "Rain
closing function when driving" and "Auto‐
matic lo wering". Re
ctifying problems with the sliding sunroof &
WARNING Risk of becoming trapped or
fa ta l injuries when the sliding sunroof is
closed again
If th e sliding sunroof is closed again immedi‐
ately af ter it has been bloc ked or reset, it will
close with increased forc e. #
Make sure that no parts of the body are
in the closing area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during the automatic closing process.
The closing process will be stopped. 90
Opening and closing

The sliding sun
roof cannot be closed and you
cann otsee the cause.
% The term "sliding sun roof" also refers to the
panorama sliding sunroof.
If th e sliding sunroof is obstructed during closing
and reopens again slightly: #
Immediately af ter auto matic reve rsing, pull
and hold the3 button down again tothe
point of resis tance until the sliding sunroof is
closed.
The sliding sunroof will be closed with
increased forc e.
If th e sliding sunroof is obstructed again and
opens again slightly: #
Repeat the pr evious step.
The sliding sunroof will be closed again with
increased forc e.
Ve hicles with a panorama sliding sunroof:
th e sliding sunroof or thero ller sunblind is
not operating smoo thly. #
Reset the sliding sunroof and thero ller sun‐
blind. Re
setting the sliding sunroof and thero ller
sunblind #
Pull and hold the3 button little bylittle
until the sliding sunroof is fully closed. #
Pull and hold the3 button little bylittle
until thero ller sunblind is fully closed. #
Use automatic operation tofully open and
th en close the sliding sunroof. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when the boot lid is opened
R when the bonn etis opened
R when interior pr otection is triggered
(/ page 93)
R when tow- aw ay protection is triggered
(/ page 92)
The ATA system is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Opening and closing
91

Indicator lamp
1flashes when theAT A sy stem
is primed.
The ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r unlocking theve hicle using KEYLESS-
GO R
afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 146)
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (/ page 326).
Deactivating theATA #
Press theÜ, ßorp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page146)
Deactivating the ala rmusing KEYLESS-GO #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed. To
w- aw ay protection is automatically primed
af te r appro ximately 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 146)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
In fo rm ation on collision de tection on a pa rked
ve hicle (/ page173). 92
Opening and closing

Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 Vehicle 5
î Vehicle settings
5 Tow-away protection #
Activate Oor deacti vate ª the function.
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 146)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when a side window is open
R when a panoramic sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
4 Vehicle 5
î Vehicle settings
5 Interior motion sensor #
Activate Oor deacti vate ª the function.
Interior pr otection is primed again in thefo llow‐
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Opening and closing
93

Note
s onthe cor rect driver's seat position &
WARNING Risk of inju ryifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restra ints, steering
wheel and mir ror in particular and fas‐
te nyo ur seat belt. Ensure
thefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
R You are sitting as faraw ay from the driver's
airbag as possible, taking thefo llowing
points into consideration:
R You are sitting in an upright position
R Your thighs are slight lysuppor tedby the seat
cushion R
Your legs are not fully extended and you can
depress the pedals properly
R The back of your head is suppo rted at eye
le ve lby the cent reofthe head restra int
R You can hold thesteering wheel with your
arms slightly bent
R You can mo veyour legs freely
R You can see all the displa yson the instru‐
ment clus ter clea rly
R You ha vea good overview of the tra ffic con‐
ditions
R Your seat belt sits snug lyagainst your body
and passes across the cent reofyour shoul‐
der and across your hips in the pelvic area 94
Seats and stowing

Seats
Ad
justing the front seat manually and elec‐
trically (without Seat Comfort Package) &
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. Yo
u can adjust the seats when the ignition is
switched off. &
WARNING Risk of becoming trapped
du ring seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that
no one has any body parts in the sweep
of the seat. Obser
vethe saf ety no tes on "Airbags" and "Chil‐
dren in theve hicle". &
WARNING Risk of accident due tothe
driver's seat not being engaged
The driver's seat may mo veunexpectedly
while driving.
This could cause youto lose control of the
ve hicle. #
Alw ays make sure that the driver's seat
is engaged before starting theve hicle. &
WARNING Risk of inju ryifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restra ints, steering
wheel and mir ror in particular and fas‐
te nyo ur seat belt. &
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured. Seats and
stowing 95

Children in particular could acciden
tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints not being fitted or being adjus‐
te d incor rectly
If head restra ints ha venot been ins talled or
ha ve not been adjus ted cor rectly, there is an
increased risk of injury in the head and neck
area, e.g. in theev ent of an accident or when
braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re stra ints cor rectl y.
Ad just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt will not of ferth e intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin‐
ning your journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. &
WARNING Risk of inju rydue toexc es‐
sive stra in on the grab handle
If yo u apply your full body weight tothe grab
handle or pull it abruptl y,the grab handle
may be damaged or become loose from its
anchorage. #
Use the grab handles only tostabilise
th e seating position or toassist in get‐
ting in and out of the seat. &
WARNING Risk of inju ryor death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shutoff or damage the sys‐
te m. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. 96
Seats and stowing

*
NO
TEDama getothe seats when moving
th e seats back The seats may be damaged
byobjects when
moving the seats bac k. #
When moving the seats bac k,make
sure that there are no objects in the
fo ot we ll, under or behind the seats. 1
Seat backrest inclination
2 Seat height
3 Seat fore -and-aft position #
Toadjust the seat fore -and-aft position:
lift le ver3 and slide the seat into the
desired position. #
Make sure that the seat is engaged. Ad
justing the front seat manually and elec‐
trically (with Seat Comfort Package) 1
Seat backrest inclination
2 Seat height
3 Seat cushion inclination
4 Seat fore -and-aft position
5 Seat cushion length Seats and
stowing 97