I've noticed on a lot of 250's the lower front bumper rubber lip appears to be very faded. To the degree it looks light grey. I assume they started out being black? Does anyone have the part number, costs available and what have others done to blacken this back to standard?
Gtechniq c4 trim restorer should bring it back to looking like new and you'll have enough left over to do the rest of your exterior trim http://gtechniq.com/products/auto/perfect/exterior/paint/c4-permanent-trim-restorer#content