Opening and closing -> Sliding sunroof for Your Mercedes GLC Class SUV First Generation (2015-2021)

Opening and closing 83  
Problem  
Possible causes/consequences and M Solutions  
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Immediately after this, pull the corresponding button again until the side window has closed, and hold  
the button for at least one more second (re-adjustment).  
The side window is closed without the automatic reversing function.  
If the side window is obstructed again and reopens again immediately:  
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Immediately after this, pull the corresponding button again until the side window has closed, and hold  
the button for at least one more second (follow-up adjustment).  
The side window is closed without the automatic reversing function.  
The SmartKey battery is discharged or nearly discharged.  
The side windows cannot be opened or  
closed using the convenience opening  
feature.  
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Check the battery using the battery check lamp and replace if necessary (/ page 67).  
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Sliding sunroof  
Opening and closing the sliding sunroof  
Release the button immediately if  
somebody becomes trapped.  
&
WARNING Risk of becoming trapped  
while opening and closing the sliding  
sunroof  
or  
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% The term "sliding sunroof" also refers to the  
During opening and closing, parts of the  
body could get caught in the sweep of the  
sliding sunroof.  
Press the button in any direction during  
the automatic opening/closing process.  
The opening/closing process is stop‐  
ped.  
panorama roof with power tilt/sliding panel.  
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When opening or closing, make sure  
that no body parts are in the sweep.  
84 Opening and closing  
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Release the button immediately if  
somebody becomes trapped.  
&
WARNING Risk of becoming trapped if  
the sliding sunroof is operated by chil‐  
dren  
NOTE Important points to remember  
*
when a roof rack is installed  
or  
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When a roof rack is installed, raising or open‐  
ing the sliding sunroof may be limited.  
Children operating the sliding sunroof could  
get caught in the moving parts, particularly if  
unattended.  
Press the button in any direction during  
the automatic opening/closing process.  
The opening/closing process is stop‐  
ped.  
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Check whether the sliding sunroof can  
be raised or opened when a roof rack is  
installed.  
If in doubt, do not raise or open the  
sliding sunroof.  
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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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NOTE Malfunction caused by snow and  
ice  
*
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Snow and ice may lead to a malfunction of  
the sliding sunroof.  
&
WARNING Risk of becoming trapped  
while opening and closing the roller sun  
blind  
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Only open the sliding sunroof if it is free  
of snow and ice.  
When opening or closing, make sure that no  
body parts become trapped between the  
roller sun blind and frame or the sliding sun‐  
roof.  
NOTE Damage caused by protruding  
*
objects  
Objects that protrude from the sliding sun‐  
roof may damage the sealing strips.  
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When opening or closing, make sure  
that no body parts are in the sweep of  
the roller sun blind.  
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Do not allow anything to protrude from  
the sliding sunroof.  
Opening and closing 85  
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#
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Check whether the sliding sunroof can be  
raised or opened when a roof rack is instal‐  
led.  
To start automatic operation: press the  
3 button beyond the point of resistance  
or pull and release it.  
To interrupt automatic operation: briefly  
press the 3 button in any direction.  
The opening/closing process will be stop‐  
ped.  
&
WARNING Risk of entrapment even with  
the reversing function active  
The reversing feature does not react in par‐  
ticular:  
R
To soft, light and thin objects, e.g. fingers  
Over the last ã in (4 mm) of the closing  
path  
R
R
During resetting  
This means that the reverse function cannot  
prevent someone from becoming trapped in  
these situations.  
Vehicles with a panorama roof with power  
tilt/sliding panel: The automatic raising feature  
is available only when the sliding sunroof is  
closed or raised.  
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When closing, make sure that no body  
parts are in the closing area.  
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Release the button immediately if  
Automatic reversing function of the sliding  
sunroof  
If an object is obstructing the sliding sunroof  
during the closing process, the sliding sunroof  
will open again automatically. The automatic  
reversing function is only an aid and is not a sub‐  
stitute for your attentiveness.  
1
2
3
Raises  
Opens  
Closes/lowers  
somebody becomes trapped.  
or  
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Briefly press the button in any direction  
Use the 3 button to operate the panoramic  
sliding sunroof and the roller sunblind.  
during automatic operation.  
The closing process is stopped.  
The panorama roof with power tilt/sliding panel  
can be operated only when the roller sunblind is  
open.  
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During the closing process, make sure that  
no body parts are in the closing area.  
86 Opening and closing  
Automatic reversing function of the roller  
sunblind  
If an object is obstructing the roller sunblind dur‐  
ing the closing process, the roller sunblind will  
open again automatically. The automatic revers‐  
ing function is only an aid and is not a substitute  
for your attentiveness.  
automatically lowered slightly at higher speeds.  
At low speeds, it is raised again automatically.  
or  
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Press the button in any direction during  
the automatic closing process.  
&
WARNING Risk of entrapment by auto‐  
matic lowering of the sliding sunroof  
The closing process is stopped.  
At high speeds the raised sliding sunroof  
automatically lowers slightly at the rear.  
This could trap you or other persons.  
Automatic functions of the sliding sunroof  
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When closing the roller sunblind, make sure  
% The term "sliding sunroof" also refers to the  
that no body parts are in the range of move‐  
ment.  
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panoramic sliding sunroof.  
Make sure that nobody reaches into the  
sweep of the sliding sunroof whilst the  
vehicle is in motion.  
By pushing or pulling the 3 button, you can  
interrupt the automatic functions: "Rain closing  
function when driving" and "Automatic lower‐  
ing".  
&
WARNING Risk of becoming trapped  
despite reversing feature  
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If somebody becomes trapped, briefly  
push the sliding sunroof button for‐  
wards or backwards.  
In particular, the reversing feature does not  
react to soft, light and thin objects, e.g. fin‐  
gers.  
This means that the reversing feature cannot  
prevent entrapment in these situations.  
Rain closing function when driving  
Vehicles with a panoramic sliding sunroof: If  
it starts to rain, the raised sliding sunroof is  
automatically lowered while the vehicle is in  
motion.  
The sliding sunroof lifts during opening.  
Problems with the sliding sunroof  
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When closing the roller sunblind, make  
% The term "sliding sunroof" also refers to the  
sure that no body parts are in the range  
of movement.  
Automatic lowering function  
Vehicles with a panoramic sliding sunroof: If  
the sliding sunroof is raised at the rear, it is  
panoramic sliding sunroof.  
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Release the button immediately if  
somebody becomes trapped.  
Opening and closing 87  
Problem  
Possible causes/consequences and M Solutions  
&
WARNING Risk of becoming trapped or fatal injury by closing the sliding sunroof again  
The sliding sunroof cannot be closed  
and you cannot see the cause.  
If you close the sliding sunroof again immediately after it has been blocked or reset, the sliding sunroof  
closes with increased force.  
Parts of the body could become trapped in the closing area in the process.  
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Make sure that no parts of the body are in the closing area.  
Release the button immediately if somebody becomes trapped.  
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or  
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Press the button in any direction during the automatic closing process.  
The closing process is stopped.  
If the sliding sunroof is obstructed during closing and reopens again slightly:  
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Immediately after automatic reversing, pull and hold the 3 button down again to the point of resist‐  
ance until the sliding sunroof is closed.  
The sliding sunroof will be closed with increased force.  
If the sliding sunroof is obstructed again and reopens again slightly:  
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Repeat the previous step.  
The sliding sunroof will be closed again with increased force.  
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Pull and hold the 3 button little by little until the sliding sunroof is fully closed.  
88 Opening and closing  
Problem  
Possible causes/consequences and M Solutions  
#
Vehicles with a panoramic sliding  
sunroof: The sliding sunroof or the  
roller sunblind does not operate  
smoothly.  
Pull and hold the 3 button little by little until the roller sunblind is fully closed.  
Use automatic operation to fully open and then close the sliding sunroof.  
#
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Pull the roller sunblind out by tab 1 and  
Roller sun blinds  
Extending the rear side window roller sun‐  
blinds  
hook it onto brackets 2 at the top of the  
window.  
Operating the roller sunblind for the panor‐  
amic roof  
NOTE Damage to the inertia reel due to  
it snapping back  
*
If suddenly snapped back, the inertia reel  
may be damaged.  
&
WARNING Risk of becoming trapped  
when opening and closing the roller sun‐  
blinds  
#
Always move the roller sun blind by  
hand.  
Body parts can become trapped between the  
roller sunblind and frame when opening or  
closing.  
#
Do not drive with the roller sun blind  
hooked in and side windows opened at  
the same time.  
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When opening or closing, make sure  
that no body parts are in the range of  
movement of the roller sunblind.