Synchronizing - Mercedes-Benz GL450 Operator's Manual

Synchronizing

The tilt/sliding sunroof must be
synchronized
after the battery has been
disconnected or discharged
after the tilt/sliding sunroof has been
closed manually ( page 496)
after a malfunction
if the tilt/sliding sunroof does not open
smoothly
Remove the fuse for the tilt/sliding
sunroof from the fuse box
( page 536).
i
For information on which fuse box contains
the fuse for the power tilt/sliding sunroof, see
the fuse chart provided with the vehicle tool kit
( page 488).
Reinsert the fuse in the main box.
Switch on the ignition ( page 42).
Press and hold the sunroof switch in
the direction of arrow 3 ( page 248)
until the tilt/sliding sunroof is fully
raised at the rear.
Hold the sunroof switch in the direction
of arrow 3 for approximately
1 second.
Open the tilt/sliding sunroof using the
Express-open feature ( page 250).
If the tilt/sliding sunroof opens
completely, it is synchronized.
If the tilt/sliding sunroof does not open
completely:
Repeat the above steps.
Controls in detail
Power tilt/sliding sunroof*
251