Mercedes-Benz E-Class Operator's Manual page 180

Refueling
178
Remove the first-aid kit (
X
Detach the emergency release from
X
retainer :.
Pull the emergency release in the direction
X
of arrow ;.
The fuel filler flap is unlocked.
Open the fuel filler flap.
X
Wagon: open the tailgate.
X
Open the right-hand side trim panel.
X
Fold down the trim.
X
Pull emergency release : in the direction
X
of the arrow.
The fuel filler flap is unlocked.
Open the fuel filler flap.
X
page 352).
Y