Mercedes-Benz 2009 M-Class Operator's Manual page 76

Safety and security
Occupant safety
Releasing
1
Securing
2
X
Securing: Press the lever down in direction
of arrow 2.
X
Check to make sure the child safety locks
are working properly.
X
Releasing: Press the lever up in direction
of arrow 1.
Override switch
G Observe Safety notes, see
page 68.
With the override switch you can disable the
rear door window switches in the rear door
panels.
74
G Warning!
Activate the override switch when children
are riding in the back seats of the vehicle.
The children may otherwise injure
themselves, e.g. by becoming trapped in
the window opening.
Override switch
1
X
Activating: Press override switch 1.
The switch engages in recessed position.
The rear door windows can no longer be
operated using the respective switch
located in the rear doors.
It is still possible to operate the rear door
windows using the switches located on the
door control panel of the driver's door.
X
Deactivating: Press override switch
again.
The switch disengages from its recessed
position back to its original position.
The rear door windows can again be
operated using the respective switch
located in the rear doors.
For more information on power windows, see
the "Controls in detail" section
( Y page 119).
1