Mercedes-Benz 2016 GL Operator's Manual page 103

If the side window opens again slightly:
Immediately pull the corresponding switch
X
on the door control panel until the side win-
dow is completely closed (
Hold the switch for an additional second.
X
If the respective side window remains
X
closed after the button is released, then it
has been set correctly. If this is not the
case, repeat the steps above again.
page 98).
Y
Side windows
Z
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