Good morning Konstantinos,
When I test-drove an X23d back in DEC09, it had the white interior.
Frankly I don't think it's gonna look good with a white car, then again it's a matter of personal taste and I will not engage on the subject of "beautiful" vs "tasteless". Your call really.
However I can confirm that it will show stains very quickly, but more over it will show wear even quicker.
Seat edges, steering wheel (if it's covered), all parts and areas where there is regular rubbing with passengers clothes or hands will darken as they get worn out, and it betrays immediately the car wear and tear.
After a year on my SD20d tan leather, there is already "shading" building up.
