Mercedes-Benz S-Class - Manual (Page 387)

385
Practical hints
Unlocking/locking in an emergency
Fuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
it manually.
1 Release knob
̈ Open the trunk.
̈ Remove the trim inside the trunk on the
right-hand side.
̈ Pull release knob 1 in the direction of
arrow.
The fuel filler flap can be opened.