Mercedes-Benz SLR McLaren. Operator's Manual.

!
If the upward movement of the window
is blocked during the closing
procedure, the window will stop and
open slightly.
Remove the obstruction, pull the
switch again past the resistance point
and release.
If the window still does not close when
there is no obstruction, then pull and
hold the switch again. The window will
then close without the obstruction sensor
function.
Stopping the windows
Press or pull respective switch again.
Synchronizing power windows
The power windows must be resynchronized
each time
after the battery has been
disconnected.
if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).
Switch on the ignition ( page 40).
Pull the power window switches until
the windows are closed.
Hold the switches for approximately
1 second.
The power windows are synchronized.
Summer opening feature
Controls in detail
Power windows
If the weather is warm, you can ventilate
the vehicle before driving off by opening
the side windows.
Aim transmitter eye of the SmartKey at
the rear quarter window.
The SmartKey must be in close proximity
to the rear quarter window.
Press and hold button Πuntil the
windows have reached the desired position.
Release button Πto interrupt procedure.
195