Mercedes-Benz GLC : Sliding sunroof / Rectifying problems with the sliding sunroof
WARNING Risk of becoming trapped or fatal injuries when the sliding sunroof is closed again
If the sliding sunroof is closed again immediately after it has been blocked or reset, it will close with increased force.
Make sure that no parts of
the body are
in the closing area.
Release the button
immediately if
somebody becomes trapped.
or
Briefly press the button
in any direction
during the automatic closing process. The closing process will be stopped.
The sliding sunroof cannot be closed and you cannot see the cause.
The term "sliding sunroof" also refers to the panorama roof with power tilt/sliding panel.
If the sliding sunroof is obstructed during closing and reopens again slightly:
Immediately after automatic
reversing, pull
and hold the3 
button down again to
the
point of resistance 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 roof with power tilt/sliding panel: The sliding sunroof or the roller sunblind is not operating smoothly.
Reset the sliding sunroof and
the roller sunblind.
Resetting the sliding sunroof and the roller sunblind
Pull and hold the
button little by little
until the sliding sunroof is fully closed.
Pull and hold the
button little by little
until the roller sunblind is fully closed.
Use automatic operation to fully
open and
then close the sliding sunroof.
Automatic functions of the sliding sunroof
The term "sliding sunroof" also refers to the
panorama roof with power tilt/sliding panel.
Rain closing function when driving
Vehicles with a panorama roof with power
tilt/sliding panel: If it starts to rain, the raised
sliding sunroof will automatically be lowered
while the vehicle is in motion...
Roller sun blinds
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...
Other information:
Mercedes-Benz GLC 2016-2025 Owners Manual: ECO display function
The ECO display summarizes your driving characteristics from the start of the journey to its completion and assists you in achieving the most economical driving style. You can influence consumption by doing the following: Driving with particular care Driving the vehicle in drive program Observing the gearshift recommendations The inner segment will light up and the outer segment will fill up when the following driving style is adopted: Moderate acceleration Gentle deceleration and rolling Consistent speed The inner segment will not light up and the outer segment will empty when the following driving style is adopted: Sporty acceleration Heavy braking Fluctuations in speed The ECO display will show you when you have driven economically: The three outer segments are completely filled simultaneously...
Mercedes-Benz GLC 2016-2025 Owners Manual: Protecting the environment
NOTE Plug-in hybrid Observe the notes in the Supplement. You could otherwise fail to recognize dangers. ENVIRONMENTAL NOTE Environmental damage due to operating conditions and personal driving style The pollutant emission of the vehicle is directly related to the way you operate the vehicle...
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Activating or deactivating the child safety lock for the rear side windows
To activate/deactivate: press button
. The rear side window can be opened or closed in the following cases:
is lit: via the switch on the driver's door
Indicator lamp 
is off: via the switch on the corresponding rear door or driver's door
