After waiting two weeks, I got impatient waiting for the ceramic pads to arrive. I cancelled the order and went with ATE Friction's on all for corners.
I also sprung for some stainless steel braided hoses made by Techna-Fit, which were almost a perfect fit.
Visit
http://www.techna-fit.com/mercedes.html for part numbers, then buy 'em at your favorite parts source. They come in different colors too.