Mercedes-Benz C-Class Operator's Manual page 310

Fuses
308
To close: check whether the rubber seal is
X
lying correctly in the cover.
Insert the cover at the rear of the fuse box
X
into the retainer.
Fold down cover and close clamps :.
X
Secure lines ; in the guides.
X
Close the hood.
X
Fuse box in the trunk
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
Open the trunk lid.
X
To open: turn rotary catch : clockwise.
X
Open cover ; downwards in the direction
X
of the arrow.