500E/E500 parts are discontinued and going NLA in a high scale now, so such parts as front fenders should be reserved for our cars IMHO. The aftermarket fiberglas fenders from eastern europe should be a satisfactory alternative for other purposes, they have a good quality from what I've heard. I underline that this is my personal opinion and it's not negatively meant about your widebody projects, it's just about protection of our cars existence.