I’ve definitely seen pictures of a few with the red seat belt edging
So perhaps same as club sport not consistent , my club sport has them
I’ve also seen the launch presentation and it says they are standard
Extract of text from media presentation:
“the contrasting colour “Flashred” on a black background. Also featuring this red colour: the stitching on the seats, the centre armrest (front) and headrests, as well as seat belt edges and contrasting seams on the door trims, the DSG gearshift and the three-spoke sports steering wheel. This is not the only reason why the latter conveys a pure racetrack feeling: As an analogy to the TCR racing series, the leather cover is specially imprinted (perforated leather) at the 3 o’clock and 9 o’clock positions, as well as with a red 12 o’clock mark. Like the seats, the door inserts and the gearshift cover are made of microfibre. Meanwhile, the “Flashred” of the seats and seams is incorporated by the standard ambient lighting in the door sills and the colour graphics of the likewise free- of-charge “Composition Media” infotainment system and”
Not sure but some markets might differ. This happened with the U.K. CSS beng different from other markets.