posting in here aswell as im sure some bits belong to a 340 ? 
its a bit of a mix i will add all the part numbers in a list below and if any of it is of use may even be some 340 stuff in box but i know some stuff is for sure 200 series as it says on the documents in some bags ..
list of stuff and a quick decription
front seat base covers
1 x blue part number on bag is : 3297034-5
1 x grey and black lined pattern part number on bag is : 328950-2
rear arche carpet with colored vinyl
1 x blue part number on bag is : 1242159-0
1 x tanish light brown part number on bag is : 1242946-0
complete headrest coushions brown lined ( light then dark )
documents say they fit 240 , 260 and 340 with volvo fitting instructions
assortment of other headrest velcro on coushions
with volvo bags saying part numbers
cloth light tan with lined pattern part number on bag is : 1242235-8
similar to above with part number on bag : 1242232-1
plain cloth tanish light color part number on bag is : 1295558-9
very dark blue cloth with lined pattern part number on bag is :1242231-7
very light blue could pass as a light grey at a quick glance part number on bag is : 1295968-0
maybe 340 this one ? brown speclked pattern part number on bag is : 284682-2
blue speckled pattern part number on bag is : 1295962-3
same pattern as above in blue part number on bag is : 1295969-8
i hope these are of use to some people of course im sure if someone was to do a search on site with part number then this post will show up
pm me if you would like any as i tend to park up in the amazon section on forum so please pm me if any of intrest cheers