WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
Release and pull off the pressure line (red) -1-
under the seat.
Unclip fixing clips -1-
on both air cushions -2-
from the brackets.
Pull both air cushions -2-
through the cut-out in the seat frame -A-
.