303A = 301A + 302ABTW I think the SEL 303A comes with Sports seats.
At least according to my order sheet it says it does.
INT2 Leather Sport Bucket Interior Group
IN2L Medium Stone Leather Sport Buckets Include:
Medium Light Stone Insert & Surround
301A = the MFT+Sony
302A = "leather-trimmed seats"
I don't have anything that says leather = sport seats, but it makes a lot of sense.