Mercedes Benz 220 SE

Only approximately 350 Mercedes Benz 220 SE Cabriolets were hand built each year during 1958-1960. The 220 SE is equipped with a 2.2 liter overhead cam six-cylinder engine, Bosch mechanical fuel injection, and a four-speed manual transmission with shifter on the column. Top speed of 100 MPH can be attained.

More information:
http://www.conceptcarz.com/vehicle/z10497/default.aspx
http://en.wikipedia.org/wiki/Mercedes-Benz_W111