This might help - http://home.hiwaay.net/~gbf/mbmodels.html

You can also click on the FastLane link at the top of the page and it'll provide a list of what was available in the US for the year you select.

The first 3 digits of the engine designation are also stated as M1xx for gassers and OM6xx for Diesels. The first 3 digits of the body designation are also stated as Rxxx for roadsters, Txxx for wagons in the US vernacular, Cxxx for coupes and Wxxx in general.

Sixto
95 S420
87 300SDL