Mercedes-Benz GL-Class 2014 Owners Manual - Manual (Page 99)

X Pull the corresponding switch on the door
control panel until the side window is
completely closed. (
Y
page 94)
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 94).
X
Hold the switch for an additional second.
X
If the corresponding side window remains
closed after the button has been released,
the side window has been reset correctly.
If this is not the case, repeat the steps
above again.
Side windows
97
Opening
and
closing
Z