Mercedes-Benz GL Operator's Manual page 164

Refueling
162
X
Open the tailgate.
X
Open the right-hand side trim panel
( Y page 126).
X
Pull emergency release : in the direction
of the arrow.
The fuel filler flap is unlocked.
X
Open the fuel filler flap.
I n f o r m a t i o n P r o v i d e d b y :