MERCEDES-BENZ C-CLASS ESTATE 2021 Owners Manual

&WARNING Risk of becoming trapped
despite reversing function
In particular, the reversing function does not
react to sos, light and thin objects, e.g. Nn-
gers.
When closing the roller sunblind, make
sure that no body parts are in the range
of movement.If someone is trapped, release the con-
trol panel immediately.
or
Touch the control panel during automatic
closing.
The closing process will be stopped.
Automatic functions of the sliding sunroof
%The term "sliding sunroof" also refers to the
panorama sliding sunroof.
The sliding sunroof will be closed automatically when the vehicle has been switched oM in the fol-
lowing situations:
= if it starts to rain
Rain is detected by a rain sensor on the wind-
screen.
= in extreme temperatures
= aser a certain time (depending on the on-
board electrical system voltage)
= if there is a malfunction in the power supply
The sliding sunroof will rise at the rear in order to
continue ventilating the vehicle interior.
If the sliding sunroof is obstructed during an auto-matic closing procedure, the roof will be opened
again slightly. The automatic function for the slid- ing sunroof and the side windows will then be
deactivated.
Rain-closing feature when driving Vehicles with a panorama sliding sunroof: if it
starts to rain, the raised sliding sunroof will auto-
matically be lowered while the vehicle is in
motion.
Automatic lowering function
Vehicles with a panorama sliding sunroof: if the
sliding sunroof is raised at the rear, it will auto-
matically be lowered slightly at higher speeds. At
low speeds, it will be raised again automatically.&WARNING Risk of becoming trapped by
automatic lowering of the sliding sunroof
At higher speeds, the raised sliding sunroof
will automatically be lowered slightly at the
rear.
Make sure that nobody reaches into the
sliding sunroof's range of movement
while the vehicle is in motion.If someone becomes trapped, touch the
control panel.
Rectifying problems with the sliding sunroof
&WARNING Risk of becoming trapped or
fatal injuries when the sliding sunroof is
closed again
If you close the sliding sunroof again immedi-
ately aser it has been blocked or reset, the
sliding sunroof will close with increased or
maximum force.
There is a risk of becoming trapped or even of fatal injuries!
Opening and closing89

Make sure that no parts of the body are
in the closing area.If someone is trapped, release the con-
trol panel immediately.
or
Touch the control panel during automatic
closing.
The closing process will be stopped.
The sliding sunroof cannot be closed and you can-
not see the cause.
%The term "sliding sunroof" also refers to the
panorama sliding sunroof.
If the sliding sunroof is obstructed during closing and reopens again slightly:
Immediately aser automatic reversing, swipe
forwards across the control panel (  page 86) and hold until the sliding sunroof
is closed.
The sliding sunroof will be closed with
increased force.
If the sliding sunroof is obstructed again and
opens again slightly:
Repeat the previous step. The sliding sunroof will be closed again with increased force.
Vehicles with a panorama sliding sunroof: the slid-ing sunroof or the roller sunblind is not operating smoothly.
Reset the sliding sunroof and the roller sun-
blind.
Resetting the sliding sunroof and the roller sun-
blind
Repeatedly swipe forwards across the control panel (  page 86) and hold until the sliding
sunroof is completely closed.Press and hold the control panel for another second.Press and hold the control panel until the
roller sunblind is completely closed.Press and hold the control panel for another second.Use automatic operation to fully open and
then close the sliding sunroof.Roller sunblinds
Extending the rear side window roller sunblinds
*NOTE Damage to the inertia reel due to it
snapping back
If suddenly snapped back, the inertia reel may
be damaged.
Always move the roller sun blind man-
ually.Do not drive with the roller sun blind
hooked in and one or more side windows
open at the same time.90Opening and closing

Pull the roller sunblind out by tab 1 and hook
it onto brackets 2 at the top of the window.
Anti-thes protection
Function of the immobiliser
The immobiliser prevents your vehicle from being
started without the correct key.
The immobiliser is automatically activated when
the ignition is switched oM and deactivated when
the ignition is switched on.
ATA (Anti-Thes Alarm system)

qFunction of the ATA system
If the ATA system is primed, a visual and audible
alarm is triggered in the following situations:
= when a door is opened
= when the tailgate is opened
= when the bonnet is opened
= when interior protection is triggered
(  page 92)
= when tow-away protection is triggered
(  page 92)
The ATA system is primed automatically aser
approximately ten seconds in the following situa-
tions:
= aser locking the vehicle with the key
= aser locking the vehicle using KEYLESS-GO
Indicator lamp 1 Oashes when the ATA system is
primed.
The ATA system is deactivated automatically in the
following situations:
= aser unlocking the vehicle with the key
= aser unlocking the vehicle using KEYLESS-GO
Opening and closing91

=aser pressing the start/stop button with the
key in the stowage compartment
(  page 160)%When the Mercedes!äBenz emergency call sys-
tem is active and the alarm stays on for more
than 30 seconds, a message is automatically
sent to the Customer Assistance Centre
(  page 304).

qDeactivating the ATA
Press the

Interior protection is only primed when the follow-ing components are closed:
= doors
= tailgate
Interior protection is automatically deactivated: = aser pressing the

Notes on the correct driver's seat position&WARNING Risk of injury if vehicle settings
are adjusted while the vehicle is in motion
You could lose control of the vehicle in partic-
ular in the following situations:
= If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror while the vehicle is in motion.
= If you fasten your seat belt while the vehi-
cle is in motion.
Before starting the engine: adjust the
driver's seat, head restraints, steering
wheel and mirror in particular and fasten
your seat belt.
Ensure the following when adjusting steering
wheel 1, seat belt 2 and driver's seat 3:
= You are sitting as far away from the driver's
airbag as possible, taking the following points
into consideration:
= You are sitting in an upright position
= Your thighs are slightly supported by the seat
cushion
= Your legs are not fully extended and you can
depress the pedals properly
= The back of your head is supported at eye
level by the centre of the head restraint
= You can hold the steering wheel with your
arms slightly bent
= You can move your legs freely
= You can see all the displays on the instrument
cluster clearly
= You have a good overview of the traPc condi-
tions
= Your seat belt sits snugly against your body
and passes across the centre of your shoulder
and across your hips in the pelvic area
Seats
Adjusting the front seat mechanically
&WARNING Risk of becoming trapped if the
seats are adjusted by children
Children could become trapped if they adjust
the seats, particularly when unattended.
94Seats and stowing

When leaving the vehicle, always take thekey with you and lock the vehicle.Never leave children unattended in thevehicle.&WARNING Risk of becoming trapped dur-
ing 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.Observe the safety notes on "Airbags" and "Chil-
dren in the vehicle".&WARNING Risk of accident due to the
driver's seat not being engaged
The driver's seat may move unexpectedly
while driving.
This could cause you to lose control of the
vehicle.
Always make sure that the driver's seat
is engaged before starting the vehicle.&WARNING Risk of injury if vehicle settings
are adjusted while the vehicle is in motion
You could lose control of the vehicle in partic-
ular in the following situations:
= If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror while the vehicle is in motion.
= If you fasten your seat belt while the vehi-
cle is in motion.
Before starting the engine: adjust the
driver's seat, head restraints, steering
wheel and mirror in particular and fasten
your seat belt.&WARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If you adjust the seat height carelessly, you or
other vehicle occupants could be trapped and
thereby injured.
Children in particular could accidentally 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 lever assembly of the seat adjustment system.&WARNING Risk of injury due to head
restraints not being Ntted or being adjus-
ted incorrectly
If head restraints have not been installed or
have not been adjusted correctly, there is an increased risk of injury in the head and neck
area, e.g. in the event of an accident or when
braking.
Always drive with the head restraints Nt-
ted.Before driving oM, make sure for every
vehicle occupant that the centre of the
head restraint supports the back of the
head at about eye level.Seats and stowing95

Adjust the head restraint fore-and-as position so
that it is as close as possible to the back of your head.&WARNING Risk of injury or death due to
incorrect seat position
The seat belt will not oMer the intended level
of protection if you have not moved the seat backrest to an almost vertical position.
In particular, you may slip under the seatbelt and injure yourself.
Adjust the seat properly before begin-
ning your journey.Always ensure that the seat backrest is
in an almost vertical position and that
the shoulder section of your seat belt is
routed across the centre of your shoul-
der.&WARNING Risk of injury or death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
interfere with the function of the automatic
co-driver airbag shutoM or damage the system.
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.*NOTE Damage to the seats when adjust-
ing
The seats may be damaged by objects when
adjusting the seats.
When adjusting the seats, make sure
that there are no objects in the footwell,
under or behind the seats.To adjust the seat fore-and-as position: lis
lever 1 and slide the seat into the desired
position.Make sure that the seat is engaged.To adjust the seat height: push or pull lever 2
until the desired seat height has been
reached.96Seats and stowing

To set the seat backrest inclination: rotate
handwheel 3 forwards or backwards until
the required position has been reached.
Adjusting the front seat manually and electrically
(with Seat Comfort Package)
1Seat backrest inclination2Seat height3Seat cushion inclination4Seat cushion length5Seat fore-and-as positionTo adjust the seat fore-and-as position: lis
lever 5 and slide the seat into the desired
position.Make sure that the seat is engaged.
Adjusting the front seat electrically
The switches for adjusting the seats do not move. You will therefore receive no direct feedback on
the switch while pressing the switch. Feedback is provided only by the movement of the seat.
1Head restraint height2Seat cushion inclination3Seat cushion length4Seat fore-and-as position5Seat height6Seat backrest inclinationSave the settings with the memory function
(  page 109).Seats and stowing97

%The head restraint height will be adjusted
automatically when you adjust the seat height
or the seat fore-and-as position.
Adjusting the 4-way lumbar support
1Higher2Soser3Lower4FirmerUse buttons 1 to 4 to adjust the contour of
the backrest.
Head restraints

q Adjusting the front seat head restraints
mechanically (two-way head restraints)
&WARNING Risk of injury if vehicle settings
are adjusted while the vehicle is in motion
You could lose control of the vehicle in partic-
ular in the following situations:
= If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror while the vehicle is in motion.
= If you fasten your seat belt while the vehi-
cle is in motion.
Before starting the engine: adjust the
driver's seat, head restraints, steeringwheel and mirror in particular and fasten
your seat belt.&WARNING Risk of injury due to head
restraints not being Ntted or being adjus-
ted incorrectly
If head restraints have not been installed or
have not been adjusted correctly, there is an increased risk of injury in the head and neck
area, e.g. in the event of an accident or when
braking.
Always drive with the head restraints Nt-
ted.Before driving oM, make sure for every
vehicle occupant that the centre of the
head restraint supports the back of the
head at about eye level.Adjust the head restraint fore-and-as position so
that it is as close as possible to the back of your head.98Seats and stowing