Mercedes-Benz C-Class 2008 Owners Manual - Manual (Page 459)

458
Practical hints
Fuses
Fuse box in the trunk
1 Release
2 Cover
Opening
̈ Open the trunk.
̈ Turn release 1 clockwise.
̈ Pull cover 2 downward in direction of
arrow.
Closing
̈ Press cover 2 backward.
̈ Turn release 1 counterclockwise.