I had these ones on my R170
http://www.tirerack.com/wheels/Wheel...2FBlack+Accent
and they were very easy to keep clean with their black interior, now if I had the money, I would probably go for these
http://www.tirerack.com/wheels/Wheel...Super+Polished or these
http://www.tirerack.com/wheels/Wheel...Standard+Model
Tirerack has this nice little page where you can preview the rims on your car
http://www.tirerack.com/upgrade_gara...Standard+Model