MERCEDES-BENZ C-CLASS SALOON 2022 Owners Manual

Vehicles with boot lid convenience closing

Pull remote operating switch 1 until t he boot
lid opens.
or 
Press and hold the - butt
on on the key.
If the boot lid is stopped in an intermediate
position, pull it upw ards. Release it as soon as
it begins to open. 
With the boot lid opening limiter activated,
manuall

y pull the stopped boot lid upwards.
If an obstacle obstructs the boot lid during the
aut
omatic opening process, blockage detection
will stop the boot lid. The automatic blockage
detection function is only an aid and is not a sub-
stitute for your attentiveness. Closing the boot lid
&
WARNING Risk of injur
y from unsecured
items in the vehicle
If objects, luggage or loads are not secured or
no
t secured suPciently, they could slip, tip
over or be thrown around and thereby hit vehi-
cle occupants.
There is a risk of injury, particularly in the
event of sudden braking or a sudden change
in direction. 
Always stow objects in such a way that
t

hey cannot be thrown around. 
Before the journey, secure objects, lug-
g

age or loads against slipping or tipping
over. Observe the notes on loading the vehicle.
Notes on closing the boot lid:
y
our vehicle is
equipped with automatic key recognition. If a key
belonging to the vehicle is detected in the vehicle,
the boot lid will not be locked and will pop open
again.
Note that the boot lid will not be locked if the fol-
lowing situation occurs:
= You have locked the vehicle and close the
boot lid while a key belonging to the vehicle is
inside the vehicle.
and
= A second key belonging to the vehicle is not
detected outside the vehicle.
Automatic key recognition is only an aid and is not
a substitute for your attentiveness. 
Before locking, ensure that at least one key
belonging t

o the vehicle is outside the vehicle. 88
Opening and closing


To close the boot lid: pull t he boot lid down-
wards using the handle recess and push it
closed.
Vehicles with boot lid convenience closing &
WARNING Risk of becoming tr
apped dur-
ing automatic closing of the boot lid
Parts of the body could become trapped.
Ther
e may be people in the closing area. 
Make sure that nobody is in the vicinity
of t
he closing area. 
Use one of the following options to stop
t

he closing process:
= Press the - button on the key.
= Press or pull the remote operating
switch on the driver's door.
= Press the closing or locking button
on the boot lid.
= Pull the boot lid handle. Vehicles with HANDS-FREE ACCESS:
it is also
possible t
o stop the closing process by making a
kicking movement below the rear bumper. 
Pull the boot lid handle. Release it as soon as
it begins t

o close. 
If the boot lid is stopped in an intermediate
position, push it do
wnwards.
The boot lid will continue to close. 
Push remote operating switch 1 until t
he
boot lid is fully closed. 
Press closing button 1 on t
he boot lid.
Vehicles with KEYLESS-GO 
Press locking button 2 on t
he boot lid.
If a key is detected outside the vehicle, the
boot lid will close and the vehicle will be
locked. Opening and closing
89


With the boot lid completely open, press and
hold t
he - button on the key. The key must
be in the vicinity of the vehicle.
Vehicles with HANDS-FREE ACCESS 
With the boot lid completely open, make a
kic
king movement with your foot below the
bumper ( page 90).
Boot lid automatic reversing function
The boo
t lid is equipped with automatic blockage
detection with a reversing function. If an obstacle
obstructs the boot lid during the automatic clos-
ing process, it will automatically open again. The
automatic reversing function is only an aid and is
not a substitute for your attentiveness. 
During the closing process, make sure that no
body par
ts are in the closing area. &
WARNING Risk of becoming tr
apped
despite reversing function
The reversing function will not react:
= t

o sos, light and thin objects, e.g. Nngers
= towards the end of the closing procedure In these situations in particular, the reversing
function canno

t prevent someone being trap-
ped. 
Ensure that no body parts are in the
closing ar
ea. 
If someone is trapped, use one of the fol-
lo

wing options:
= Press the - button on the key.
= Press the remote operating switch on
the driver's door.
= Press the closing or locking button
on the boot lid.
= Pull the boot lid handle. HANDS-FREE ACCESS function
With HANDS-FREE ACCESS you can open, close
or int
errupt boot lid movement by performing a
kicking movement under the rear bumper.
The kicking movement triggers the opening or
closing process alternately.
Observe the notes when opening (  page 87)
and closing ( page 88) the boot lid.
% A warning tone sounds while the boot lid is
opening or closing. 90
Opening and closing

&
WARNING Risk of bur ns caused by a hot
exhaust system
The vehicle exhaust system can become very
ho
t. If you use HANDS-FREE ACCESS, you
could burn yourself by touching the exhaust
system. 
Always ensure that you only make a kick-
ing mo

vement within the detection range
of the sensors. *
NOTE Damag
e to the vehicle caused by
unintentionally opening the boot lid =
when using an aut
omatic car wash
= when using a high pressure cleaner 
Deactivate the function of the key in
t

hese situations.
or 
Make sure that the key is at a minimum
dis

tance of 3 m away from the vehicle. When making the kicking movement, make sure
t

hat you are standing Nrmly on the ground. You
could otherwise lose your balance, e.g. on ice.
Observe the following notes: = The key is behind the vehicle.
= Stand at least 30 cm away from the vehicle
while performing the kicking movement.
= Do not come into contact with the bumper
while making the kicking movement.
= Do not carry out the kicking movement too
slowly.
= The kicking movement must be towards the
vehicle and back again. 1
Detection range of the sensors
If several consecutive kicking movements are not
successful, w
ait ten seconds.
System limits
The system may be impaired or may not function
in the following cases:
= The sensors are dirty, e.g. due to road salt or
snow.
= The kicking movement is made using a pros-
thetic leg. Opening and closing
91

The boot lid could be opened or closed uninten-
tionall
y, in the following situations:
= A person's arms or legs are moving in the sen-
sor detection range, e.g. when polishing the
vehicle or picking up objects.
= Objects are moved or placed behind the vehi-
cle, e.g. the hose of a fuel dispenser, a charg-
ing cable or luggage
= Clamping straps, tarpaulins or other coverings
are pulled over the bumper.
= A protective mat with a length reaching over
the boot sill down into the detection range of
the sensors is used.
= The protective mat is not secured correctly.
= Work is being done on the trailer hitch, trailers
or rear bicycle racks.
Deactivate the function of the key (  page 80) or
do not carry the key about your person in such
situations. Switching separate boot locking on and
oM Multimedia system:
4 © 5
Settings 5
Vehicle
5 Closing functioning
Switc

hing separate boot locking on 
Select Block boot . 
Create a PIN. 
Press OK t
o conNrm the PIN. 
Enter the PIN again and conNr
m it.
The boot will remain locked if you unlock the
vehicle centrally.
% If an accident has been detected, the boot will
unloc

k even if separate locking is switched
on.
% You can open the boot with the emergency
k
ey even while boot locking is active. Sepa-
rate boot locking will remain active.
Switching separate boot locking oM 
Select Block boot . 
Enter the PIN.
If t

he PIN is correct, separate boot locking will
be switched oM and the PIN deleted. Activating/deactivating the boot lid opening lim-
it
er Multimedia system:
4 © 5
Settings 5
Vehicle
5 Other functions 
Activate or deactivate the Opening height lim-
iter.
This function prevents the boot lid from hitting a
lo
w garage ceiling, for example. 92
Opening and closing

Side windows
Opening and closing the side windows
&
WARNING Risk of becoming tr apped when
opening a side window
When you open a side window, parts of the
body could be dr
awn in or become trapped
between the side window and window frame. 
When opening, make sure that nobody is
t
ouching the side window. 
If someone is trapped, release the but-
t
on immediately or pull it in order to
close the side window again. &
WARNING Risk of becoming tr
apped when
closing a side window
When closing a side window, body parts could
be tr
apped in the closing area in the process. 
When closing, make sure that no body
par

ts are in the closing area. 
If someone is trapped, release the but-
t
on immediately or press the button in
order to reopen the side window. &
WARNING Risk of becoming tr
apped when
children operate the side windows
Children could become trapped if they operate
t
he side windows, particularly when unatten-
ded. 
Activate the child safety lock for the rear
side windo
ws. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 
Never leave children unattended in the
v
ehicle. Requirements:
= The po

wer supply or the vehicle has been
switched on. 1
Closing
2 Open
The buttons on the driver's door take precedence. 
To start automatic operation: pr
ess the b
button beyond the point of resistance or pull
and release it. 
To interrupt automatic operation: pr
ess or pull
the b button again. Opening and closing
93

When the vehicle is switched
oM, y ou can con-
tinue to operate the side windows.
The function is also available until the doors are
closed again.
Automatic reversing function of the side windows
If an obstacle impedes a side window during the
closing process, the side window will open again
automatically. The automatic reversing function is
only an aid and is not a substitute for your atten-
tiveness. 
During the closing process, make sure that no
body par
ts are in the closing area. &
WARNING Risk of becoming tr
apped
despite there being reversing protection
on the side window
The reversing function does not react: = t

o sos, light and thin objects, e.g. Nngers.
= during resetting.
The reversing function cannot prevent some-
one from becoming trapped in these situa-
tions. 
During the closing process, make sure
t
hat no body parts are in the closing
area. 
If someone becomes trapped, press the
b butt

on to open the side window
again. Automatic function of the side windows
In the following cases, the side windows will be
closed aut

omatically when the vehicle is switched
oM:
= 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 side windows will be closed as far as the ven-
tilation position. Vehicles with a sliding sunroof:
t
he side windows
will be closed completely if the sliding sunroof is
open.
If the side windows are obstructed during auto-
matic closing, the side window concerned will
open again slightly. Aser another automatic clos-
ing process, the automatic function may be deac-
tivated. Aser about ten seconds, the automatic
function is active again. Convenience opening (ventilating the vehicle
bef

ore starting a journey) &
WARNING Risk of entr
apment when open-
ing a side window
When opening a side window, parts of the
body could be dr
awn in or become trapped
between the side window and window frame. 
When opening, make sure that nobody is
t
ouching the side window. 
Release the button immediately if some-
body becomes tr

apped.94
Opening and closing

Requirements:
= The k
ey is in the immediate vicinity of the vehi-
cle. 
Press and hold the Ü butt
on on the key.
The following functions are performed:
= The vehicle is unlocked.
= The side windows are opened.
= The sliding sunroof is opened.
= The panoramic sliding roof is opened.
= The seat ventilation of the driver's seat is
switched on.
% If the roller sunblind of the panoramic sliding
sunr

oof is closed, the roller sunblind is
opened Nrst. 
To interrupt convenience opening: r
elease
Ü the button. 
To continue convenience opening: pr
ess and
hold the Ü button again. Convenience closing (closing the vehicle from out-
side)
&
WARNING Risk of entr
apment due to not
paying attention during convenience clos-
ing
When the convenience closing feature is oper-
ating, par
ts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. 
When the convenience closing feature is
oper
ating, monitor the entire closing
process and make sure that no body
parts are in the closing area. Requirements:
= The k

ey is in the immediate vicinity of the vehi-
cle. 
Press and hold the U butt
on on the key.
The following functions are performed:
= The vehicle is locked.
= The side windows are closed.
= The sliding sunroof is closed. =
The panor
amic sliding roof is closed. 
To interrupt convenience closing: r
elease the
U button. 
To continue convenience closing: pr
ess and
hold the U button again.
% Convenience closing also functions with KEY-
LESS-GO
( page 84). Resolving problems with the side windows
&
WARNING Risk of becoming tr
apped or
fatally injured if reversing protection is not
activated
If you close a side window again immediately
aser it has been bloc

ked, the side window will
close with increased or maximum force. The
reversing function is then not active and body
parts may become trapped. 
Make sure that no parts of the body are
in t

he closing area. 
To stop the closing process, release the
butt

on or press the button again to
reopen the side window. Opening and closing
95

A side window cannot be closed and you cannot
see t he cause. 
Check to see whether any objects are in the
windo

w guide. 
Adjust the side windows.
Adjusting the side windows
If a side windo
w is obstructed during closing and
reopens again immediately: 
Immediately aser t
his, pull and hold the corre-
sponding button again until the side window
has closed and hold the button for at least one
more second (re-adjustment).
The side window will be closed without the
automatic reversing function.
If the side window is obstructed again and
r
eopens again immediately: 
Immediately aser t
his, pull and hold the corre-
sponding button again until the side window
has closed and hold the button for at least one
more second (follow-up adjustment).
The side window will be closed without the
automatic reversing function. The side windows cannot be opened or closed
using t

he convenience opening feature.
Possible causes: = The key battery is weak or discharged. 
Check the battery using the indicator lamp
( pag

e 79). 
Replace the key battery, if necessary
( pag
e 81). Sliding sunroof
Opening and closing the sliding sunroof
%
The term "sliding sunroof" also refers to the
panor

ama sliding sunroof. &
WARNING Risk of becoming tr
apped when
the sliding sunroof is being opened and
closed
Body parts may become trapped in the range
of mo
vement. 
During the opening and closing process,
mak

e sure that no body parts are in the
sweep of the sliding sunroof. 
If someone is trapped, release the con-
tr

ol panel immediately.
or 
Touch the control panel during automatic
oper
ation.
The opening/closing process will be
stopped. &
WARNING Risk of entr
apment if the slid-
ing sunroof is operated by children
Children operating the sliding sunroof could
g
et caught in the moving parts, particularly if
unattended. 
Never leave children unattended in the
v
ehicle. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 96
Opening and closing

&
WARNING Risk of becoming tr apped when
the roller sunblind is being opened and
closed
Body parts may become trapped between the
r
oller sunblind and frame or sliding roof. 
During the opening or closing process,
mak

e sure that no body parts are in the
roller sunblind's range of movement. 
If someone is trapped, release the con-
tr

ol panel immediately.
or 
Touch the control panel during automatic
oper
ation.
The opening/closing process will be
stopped. *
NOTE Malfunction due t
o snow and iceSnow and ice may cause the sliding sunroof to
malfunction. 
Open the sliding sunroof only if it is free
of sno
w and ice. *
NOTE Damag
e caused by protruding
objects Objects that protrude from the sliding sunroof
ma

y damage the seals. 
Do not allow anything to protrude from
t
he sliding sunroof. *
NOTE Damag
e to the sliding sunroof when
a roof luggage rack is Ntted If the sliding sunroof is opened when a roof
lugg

age rack is Ntted, the sliding sunroof may
be damaged by the roof luggage rack. 
Do not open the sliding sunroof if a roof
lugg
age rack is Ntted.
The sliding sunroof may be raised to allow ven-
tilation of t
he vehicle interior. The sliding sunroof and the roller sunblind are
oper
ated using control panel 1.
The panorama sliding sunroof can be operated
only when the roller sunblind is open. 
To open: swipe bac
kwards across control
panel 1 and hold. 
To close: swipe f
orwards across control panel
1 and hold. Opening and closing
97