propigskin, I am not sure if you're anywhere near Monrovia but try going here.
http://www.pick-a-part.us/Monrovia.html
They have a 6' high field of wheels including MB bundts, some are damaged but there are LOT to pick from and most were just covered in brake dust. Not sure how much they are but I am sure they're pretty reasonable. Maybe $15 bucks or less?