Mercedes-Benz GL450 Operator's Manual page 509

Practical hints
Replacing bulbs
Opening the side trim panels
Opening the driver's side trim panel:
1 Lock
2 Cover in left side trim panel
Turn lock 1 90°.
Fold down the cover 2.
508
1 Lock
2 Storage compartment
Insert a suitable object such as a coin
into the slot of lock 1.
Turn lock 1 counterclockwise by 90°.
Remove storage compartment 2.
Opening the passenger side trim panel:
1 Lock
2 Cover in right side trim panel
Insert a suitable object such as a coin
into the slot of lock 1.
Turn lock 1 counterclockwise by 90°.
Remove cover 2.