As far as the "saloons" go, that is a British term for sedans. Whereas convertibles are "drop heads" or cabriolets. I once went to the German VW website and they list sedans as limosines and wagons as tourist. Hence, for MB, all wagons are "T"s.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section