Opening and closing -> Sliding sunroof for Your Mercedes C Class 4 Door 2023

Opening and closing  
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A side window cannot be closed and you cannot  
see the cause.  
The side windows cannot be opened or closed  
using the convenience opening feature.  
Possible causes:  
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During the opening and closing process,  
make sure that no body parts are in the  
sweep of the sliding sunroof.  
If someone is trapped, release the con-  
trol panel immediately.  
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Check to see whether any objects are in the  
window guide.  
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The key battery is weak or discharged.  
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Adjust the side windows.  
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Check the battery using the indicator lamp  
(/ page 142).  
or  
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Adjusting the side windows  
If a side window is obstructed during closing and  
reopens again immediately:  
Touch the control panel during automatic  
operation.  
The opening/closing process will be  
stopped.  
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Replace the key battery, if necessary  
(/ page 144).  
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Immediately aꢀer this, 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.  
Sliding sunroof  
Opening and closing the sliding sunroof  
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WARNING Risk of entrapment if the slid-  
ing sunroof is operated by children  
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The term "sliding sunroof" also refers to the  
panoramic sliding sunroof.  
Children operating the sliding sunroof could  
get caught in the moving parts, particularly if  
unattended.  
If the side window is obstructed again and  
reopens again immediately:  
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WARNING Risk of becoming trapped when  
the sliding sunroof is being opened and  
closed  
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Never leave children unattended in the  
vehicle.  
When leaving the vehicle, always take the  
key with you and lock the vehicle.  
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Immediately aꢀer this, pull and hold the corre-  
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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.  
Body parts may become trapped in the range  
of movement.  
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Opening and closing  
166  
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WARNING Risk of becoming trapped when  
the roller sunblind is being opened and  
closed  
NOTE Damage caused by protruding  
objects  
Objects that protrude from the sliding sunroof  
may damage the seals.  
Body parts may become trapped between the  
roller sunblind and frame or sliding roof.  
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Do not allow anything to protrude from  
the sliding sunroof.  
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During the opening or closing process,  
make sure that no body parts are in the  
roller sunblind's range of movement.  
If someone is trapped, release the con-  
trol panel immediately.  
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NOTE Damage to the sliding sunroof when  
a roof luggage rack is fitted  
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If the sliding sunroof is opened when a roof  
luggage rack is fitted, the sliding sunroof may  
be damaged by the roof luggage rack.  
or  
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Touch the control panel during automatic  
operation.  
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Do not open the sliding sunroof if a roof  
The opening/closing process will be  
stopped.  
luggage rack is fitted.  
The sliding sunroof and the roller sunblind are  
The sliding sunroof may be raised to allow ven-  
tilation of the vehicle interior.  
operated using control panel 1.  
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NOTE Malfunction due to snow and ice  
The panoramic sliding sunroof can be operated  
only when the roller sunblind is open.  
Snow and ice may cause the sliding sunroof to  
malfunction.  
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To open: swipe backwards across control  
panel 1 and hold it.  
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Open the sliding sunroof only if it is free  
of snow and ice.  
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To close: swipe forwards across control panel  
1 and hold it.  
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Opening and closing  
167  
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To raise or lower: press control panel 1  
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during resetting.  
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WARNING Risk of becoming trapped  
despite reversing function  
briefly.  
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During the closing process, make sure  
that no body parts are in the closing  
area.  
If someone is trapped, release the con-  
trol panel immediately.  
To start automatic operation: swipe forwards  
or backwards across control panel 1.  
To cancel automatic operation: press control  
panel 1 again.  
The opening/closing process will be stopped.  
In particular, the reversing function does not  
react to soꢀ, light and thin objects, e.g. fin-  
gers.  
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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  
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Automatic reversing function of the sliding sun-  
roof  
If an obstacle obstructs the sliding sunroof during  
the closing process, the sliding sunroof will open  
again automatically. The automatic reversing func-  
tion is only an aid and is not a substitute for your  
attentiveness.  
Touch the control panel during automatic  
closing.  
The closing process will be stopped.  
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or  
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Automatic reversing function of the roller sunblind  
If an obstacle obstructs the roller sunblind during  
the closing process, the roller sunblind will open  
again automatically. The automatic reversing func-  
tion is only an aid and is not a substitute for your  
attentiveness.  
Touch the control panel during automatic  
closing.  
The closing process will be stopped.  
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During the closing process, make sure that no  
body parts are in the closing area.  
Automatic functions of the sliding sunroof  
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WARNING Risk of becoming trapped  
despite reversing function  
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When closing the roller sunblind, make sure  
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The term "sliding sunroof" also refers to the  
panoramic sliding sunroof.  
that no body parts are in the range of move-  
ment.  
The reversing function will not react:  
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The sliding sunroof will be closed automatically  
when the vehicle has been switched off in the fol-  
lowing situations:  
to soꢀ, light and thin objects, e.g. fingers.  
towards the end of the closing procedure.  
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if it starts to rain  
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Opening and closing  
168  
Rain is detected by a rain sensor on the wind-  
screen.  
in extreme temperatures  
aꢀer a certain time (depending on the on-  
board electrical system voltage)  
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Make sure that no parts of the body are  
in the closing area.  
If someone is trapped, release the con-  
trol panel immediately.  
WARNING Risk of becoming trapped by  
automatic lowering of the sliding sunroof  
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At higher speeds, the raised sliding sunroof  
will automatically be lowered slightly at the  
rear.  
or  
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if there is a malfunction in the power supply  
Touch the control panel during automatic  
closing.  
The closing process will be stopped.  
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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.  
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.  
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The sliding sunroof cannot be closed and you can-  
not see the cause.  
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The term "sliding sunroof" also refers to the  
panoramic sliding sunroof.  
Rectifying problems with the sliding sunroof  
If the sliding sunroof is obstructed during closing  
and reopens again slightly:  
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WARNING Risk of becoming trapped or  
fatal injuries when the sliding sunroof is  
closed again  
Rain closing function when driving  
Vehicles with a panoramic sliding sunroof: if it  
starts to rain, the raised sliding sunroof will auto-  
matically be lowered while the vehicle is in  
motion.  
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Immediately aꢀer automatic reversing, swipe  
forwards across the control panel  
(/ page 165) and hold it until the sliding sun-  
roof is closed.  
The sliding sunroof will be closed with  
increased force.  
If you close the sliding sunroof again immedi-  
ately aꢀer 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!  
Automatic lowering function  
Vehicles with a panoramic 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.  
If the sliding sunroof is obstructed again and  
opens again slightly:  
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Opening and closing  
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Repeat the previous step.  
The sliding sunroof will be closed again with  
increased force.  
Swipe forwards across the control panel  
(/ page 165) and hold it repeatedly until the  
sliding sunroof is completely closed.  
Swipe across the control panel and hold it for  
another second.  
Swipe across and hold the control panel until  
the roller sunblind is completely closed.  
Swipe across the control panel and hold it for  
another second.  
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Do not drive with the roller sun blind  
hooked in and rear side windows opened  
at the same time.  
Vehicles without a panoramic sliding sunroof: the  
sliding sunroof is not operating smoothly.  
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Reset the sliding sunroof.  
Resetting the sliding sunroof  
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Swipe forwards across the control panel  
(/ page 165) and hold it repeatedly until the  
sliding sunroof is completely open.  
Swipe across the control panel and hold it for  
another second.  
Use automatic operation to fully open and  
then close the sliding sunroof.  
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Roller sunblinds  
Close the sliding sunroof.  
Vehicles with a panoramic sliding sunroof: the  
sliding sunroof or the roller sunblind is not operat-  
ing smoothly.  
Extending the rear side window roller sunblinds  
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NOTE Damage to the inertia reel due to it  
snapping back  
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Reset the sliding sunroof and the roller sun-  
blind.  
If suddenly snapped back, the inertia reel may  
be damaged.  
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Pull the roller sunblind out by tab 1 and hook  
it onto brackets 2 at the top of the window.  
Resetting the sliding sunroof and the roller sun-  
blind  
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Always move the roller sun blind by  
hand.  
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