Mercedes-Benz CLA-Class 2014 Owners Manual - Manual (Page 91)

If the side window opens again slightly:
X Immediately pull the corresponding switch
on the door control panel until the side win-
dow is completely closed (
Y
page 87).
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
89
Opening
and
closing
Z