lock MERCEDES-BENZ C CLASS 2016 Service Manual

body becomes trapped, release the switch or
pull the switch to close the side window again.
G WARNING
While closing the side windows, body parts in
the closing area could become trapped. There
is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or press
the switch to open the side window again.
G WARNING
If children operate the side windows they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
Activate the override feature for the rear side
windows. When leaving the vehicle, always
take the SmartKey with you and lock the vehi-
cle. Never leave children unsupervised in the
vehicle.
Side window reversing feature The side windows are equipped with an auto-
matic reversing feature. If a solid object blocks
or restricts a side window from traveling
upwards during the automatic closing process,
the side window opens again automatically. Dur-
ing the manual closing process, the side window
only opens again automatically after the corre-
sponding switch is released. The automatic
reversing feature is only an aid and is no substi-
tute for your attention when closing a side win-
dow.
G WARNING
The reversing feature does not react: R
to soft, light and thin objects, e.g. small fin-
gers R
while resetting
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If someone becomes trapped, press the switch
to open the side window again.
Opening and closing the side win-
dows The switches for all side windows are located on
the driver's door. There is also a switch on each
door for the corresponding side window.
The switches on the driver's door take prece-
dence.
C
Front left D
Front right

The side windows cannot be operated from the
rear when the override feature for the side win-
dows is activated ( Y
page 67).
Information on opening and closing the roller
sunblinds on the rear side windows
( Y
page 317).
Convenience opening
General notes If the SmartKey is in close proximity to the vehi-
cle, the convenience opening function is availa-
ble.
Vehicles with KEYLESS-GO or KEYLESS-GO
start function: you can ventilate the vehicle
before you start driving.
To do this, the SmartKey is used to carry out the
following functions simultaneously: R
unlock the vehicle R
open the side windows R
open the sliding sunroof or the panorama roof
with power tilt/sliding panel and the roller
sunblind R
switch on the seat ventilation for the driver's
seat
The "convenience opening" feature is also avail-
able when the vehicle is unlocked.
Convenience opening X
Press and hold the 6 button on the Smart-
Key until the side windows and the sliding
sunroof or the panorama roof with power tilt/
sliding panel are in the desired position.
If the roller sunblinds of the panorama roof
with power tilt/sliding panel are closed, the
roller sunblinds are opened first. X
Press and hold the 6 button once more
until the panorama roof with power tilt/slid-
ing panel reaches the desired position. X
To interrupt convenience opening: release
the 6 button. Convenience closing feature
Important safety notes
G WARNING
When the convenience closing feature is oper-
ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
Vehicles with KEYLESS-GO or KEYLESS-GO
start function: if the SmartKey is in close prox-
imity to the vehicle, the convenience closing
function is available.
When you lock the vehicle, you can simultane-
ously: R
close the side windows R
close the sliding sunroof or the panorama roof
with power tilt/sliding panel
On vehicles with a panorama roof with power
tilt/sliding panel, you can then close the roller
sunblinds.
Notes on the automatic reversing feature for: R
the side window ( Y
page 95)R
the sliding sunroof or the panorama roof with
power tilt/sliding panel ( Y
page 99)
Using the SmartKey X
Press and hold the 7 button until the side
windows and the sliding sunroof or the pano-
rama roof with power tilt/sliding panel are
fully closed. X
Make sure that all the side windows and the
sliding sunroof or panorama roof with power
tilt/sliding panel are closed. X
Vehicles with panorama roof with power
tilt/sliding panel: press and hold the 7
button once more until the roller sunblinds of
the panorama roof with power tilt/sliding
panel close. X
To interrupt convenience closing: release
the 7 button.96
Side windows
Opening and closing

Using KEYLESS-GO The driver's door and the door at which the han-
dle is used, must both be closed. The SmartKey
must be outside the vehicle. The gap between
the SmartKey and the corresponding door han-
dle should not be greater than 3 ft (1 m).
X
Touch recessed sensor surface C on the
door handle until the side windows and the
sliding sunroof or the panorama roof with
power tilt/sliding panel are fully closed.
Make sure you only touch recessed sensor
surface C .X
Make sure that all the side windows and the
sliding sunroof or panorama roof with power
tilt/sliding panel are closed. X
Vehicles with panorama roof with power
tilt/sliding panel: touch recessed sensor
surface C on the door handle again until the
roller sunblinds of the panorama roof with
power tilt/sliding panel close. X
To interrupt convenience closing: release
recessed sensor surface C on the door han-
dle.
Resetting the side windows If a side window can no longer be closed fully,
you must reset it. X
Close all the doors. X
Turn the SmartKey to position 1 or 2 in the
ignition lock. X
Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed ( Y
page 95).X
Hold the switch for an additional second. If the side window opens again slightly: X
Immediately pull the corresponding switch on
the door control panel until the side window is
completely closed ( Y
page 95).X
Hold the switch for an additional second. X
If the respective side window remains closed
after the button is released, then it has been
set correctly. If this is not the case, repeat the
steps above.
Side windows 97
Opening and closing Z

Problems with the side windows
G WARNING
If you close a side 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.
Problem
Possible causes/consequences and P Solutions
A side window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects. X
Close the side window.
A side window cannot be
closed and you cannot
see the cause. If a side window is obstructed during closing and reopens again
slightly: X
Immediately after the window blocks, pull the corresponding switch
again until the side window has closed.
The side window is closed with increased force.
If a side window is obstructed again during closing and reopens again
slightly: X
Immediately after the window blocks, pull the corresponding switch
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 equipped with a sliding
sunroof or a panorama roof with power tilt/slid-
ing panel. In this section, the term "sliding sun-
roof" refers to both types of sliding sunroof.
G WARNING
While opening and closing the sliding sunroof,
body parts in close proximity could become
trapped. There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro-
cedures. If somebody becomes trapped: R
release the switch immediately, or R
during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
G WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.98
Sliding 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. It could
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 damaged if
water enters the vehicle interior.
Resonance noises can occur in addition to the
usual airflow 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 a side window
slightly to reduce or eliminate these noises.
Only for vehicles with panorama roof with
power tilt/sliding panel:
G WARNING
At high speeds the raised sliding sunroof auto-
matically lowers slightly at the rear. This could
trap you or other persons. There is a risk 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 a sliding
sunroof or a panorama 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 a solid object blocks
or restricts the sliding sunroof during the closing
process, the sliding sunroof opens again auto-
matically. The automatic reversing feature is
only an aid and is no substitute for your attention
when closing the sliding roof. G WARNING
The reversing feature does not react: R
to soft, light and thin objects, e.g. small fin-
gers R
over the last 1/6 in (4 mm) of the closing
movement R
during resetting R
when closing the sliding sunroof again man-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped: R
release the switch immediately, or R
press the switch in any direction during the
automatic closing process
The closing process is stopped.
Operating the sliding sunroof
Opening and closing
C
To raise
D
To open

automatic operation by pressing or pulling
again.
When opening and raising the roof, automatic
operation is only available if the sliding sunroof
is in the closed position.
The sun protection cover automatically opens
along with the sliding sunroof. You can open or
close the sun protection cover manually when
the sliding sunroof is raised or closed.
You can continue to operate the sliding sunroof
after switching off the engine or removing the
SmartKey from the ignition lock. This function is
available for up to five minutes or until the driv-
er's or front-passenger door is opened.
Resetting
! If the sliding sunroof still cannot be opened
or closed fully after resetting, contact a quali-
fied specialist workshop.
Reset the sliding sunroof if it does not move
smoothly. X
Turn the SmartKey to position 1 or 2 in the
ignition lock. X
Raise the sliding sunroof fully at the rear
( Y
page 99).X
Keep the W switch pressed for another
second. X
Make sure that the sliding sunroof can be fully
opened and closed again ( Y
page 99).X
If this is not the case, repeat the steps above. Operating the panorama roof with
power tilt/sliding panel
Opening and closing
C
To raise D
To open

roof carrier approved by Mercedes-Benz, the
sunroof will lower slightly but remain raised at
the rear.
Rain-closing feature The raised panorama roof with power tilt/sliding
panel automatically lowers when driving if it
starts to rain. The sliding sunroof is lowered
depending on: R
the road speed and R
the intensity of the rain
You can manually cancel the automatic closing
procedure. Press or pull the W switch in any
direction.
To raise the panorama roof with power tilt/slid-
ing panel again, press the W switch in direc-
tion C .
The rain-closing feature is then deactivated until
you: R
press or pull the W switch in any direction
or R
turn the SmartKey to another position in the
ignition lock ( Y
page 146)
Operating the roller sunblinds for the
panorama roof with power tilt/sliding
panel
Important safety notes
G WARNING
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 a risk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the roller sun-
blind.
If somebody becomes trapped: R
release the switch immediately, or R
during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
The roller sunblinds shield the vehicle interior
from sunlight. The roller sunblinds can only be opened and closed when the panorama roof
with power tilt/sliding panel is closed.
Roller sunblind reversing feature The roller sunblinds are equipped with an auto-
matic reversing feature. If a solid object blocks
or restricts a roller 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.
G WARNING
The reversing feature does not react in par-
ticular to soft, light and thin objects, e.g. small
fingers. This means that the reversing feature
cannot prevent someone being trapped in
these situations. There is a risk of injury.
When closing the roller sunblind, make sure
that no body parts are in the sweep area.
If somebody becomes trapped: R
release the switch immediately, or R
press the switch in any direction during the
automatic closing process
The closing process is stopped.
Opening and closing the roller sun-
blinds
C
To open
D
To open

X
Turn the SmartKey to position 1 or 2 in the
ignition lock. X
Press the W switch in direction C .
Both roller sunblinds open, then the pano-
rama roof with power tilt/sliding panel is
raised. X
Pull the W switch in direction D .
The sunblinds open. X
Pull the W switch in direction

Problems with the sliding sunroof Your vehicle may be equipped with a sliding sunroof or a panorama roof with power tilt/sliding
panel. In the following section, the term "sliding sunroof" refers to both sliding sunroof variants.
G WARNING
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: R
release the switch immediately, or R
press 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 a result of a malfunction, contact a
qualified specialist workshop.
Problem
Possible causes/consequences and P Solutions
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: X
Immediately after it blocks, pull the W switch 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: X
Immediately after it blocks, pull the W switch 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 sunroof 103
Opening and closing Z

Switching the seat ventilation on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have selected. X
Turn the SmartKey to position 1 or 2 in the
ignition lock ( Y
page 146).X
To switch on: press button C repeatedly
until the desired ventilation level is set. X
To switch off: press button C repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature ( Y
page 96). The seat ventilation of
the driver's seat automatically switches to the
highest level.
i When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation. Seats 109
Seats, steering wheel and mirrors Z