I think it's quite okay, but have to see the final product.
Honestly the Mercedes interior is a bit too much bling bling for me. I do like elegance and luxury, but I don't know, I'm not a big fan of it... too many curves, circles, applications, combined with that huge inelegant double display wall.
Some of you said it looks too dated and there are too many buttons for a sports car. Not quite sure if sport car interior means less buttons. Especially if I look at the current Porsche interiors:
