Mercedes-Benz 2016 GL Operator's Manual page 404

Fuses
402
Fold the left-hand rear bench seat forward
X
( page 344).
Y
To open: reach into recesses ; on each
X
side of fuse box cover :.
Fold cover : up in the direction of the
X
arrow and remove it from the fuse box.
i
The fuse allocation chart is located in a
recess at the side of the fuse box.
To close: place cover : on the fuse box.
X
Press cover : down until you feel the
X
clamps engage.
Fold back the left-hand rear bench seat
X
( page 344).
Y