Mercedes-Benz 2002 M-Class Operator's Manual page 130

With the roof closed or tilted open, a screen can be slid
into the roof opening to guard against sun rays. When
sliding the roof open, the screen will also retract.
To open, close, raise or lower the sliding/pop-up roof:
Move and hold the switch in the required direction.
Release the switch when the roof has reached the
required position.
Interior equipment
Instruments
Operation
and controls
127
Instrument
Driving
cluster display
Express opening of sliding/pop-up roof
To open sliding/pop-up roof automatically, briefly move
switch in direction (1) and release. The roof will not
open to the full open position (approx. 75%). Press again
to open it fully.
To interrupt procedure, briefly move switch in any
direction.
Note:
For resynchronizing the express opening feature see
page 294.
Practical hints Car care
Technical
Index
data