Thanks. I tried the site and registered but I cant get it to give me a VIN.Its been that way for a while. The BMW site (where you could get MB Vin #s as well) is the same.
Apparently registering on this site gives the Vin# to your registration although I've not tried it.
http://www.blue-print.com/blueprintlive/index.asp?LoginFail=True&lang=GB&time=23/10/2017_20:23:11