I found a good match for the 17", ten-spoke IS wheels on my 2008. It's a finger nail polish found at Walgreens. The brand is Pure Ice #988 CP. The color is Silver Mercedes. (sorry 'bout the name). The UPC number is 819880. I've used it to fill in edge scrapes and stone chips. And just for the record, I have no idea how well it wears on finger nails.