Mercedes-Benz A-Class 2020 Operator's Manual page 294

292 Breakdown assistance
Loosen screws 2 and remove the fuse box
#
lid from the top.
Closing
Place the lid on the fuse box.
#
Tighten screws 2.
#
Fold back the carpet.
#
Opening and closing the fuse box in the
cargo compartment
Observe the notes on electrical fuses
( page 289).
/
Open the cargo compartment floor
#
( page 103).
/
Fuse box 1 is located in the center underneath
the cargo compartment floor.