Here you go
http://cgi.ebay.com/ebaymotors/1972-89-MERCEDES-BENZ-CHASSIS-BODY-MODEL-107_W0QQcmdZViewItemQQcategoryZ34227QQitemZ8017138444QQrdZ1
Very pricey, but hey, what's 3 hours of the dealers time? First job you do yourself, using the manual, you've broken even. The next job is free.... The only EBay downside thing is living in Canada and paying outrageous shipping, exchange (not bad right now) and that G&*^%$m GST/HST eh?