Mercedes-Benz W180

The Mercedes-Benz W180 is a line of full-sized luxury cars that Mercedes-Benz produced between 1954 and 1959 with an inline six-cylinder engine, and it is one of the cars nicknamed Ponton for their unibody, pontoon-shaped styling. The four-door 220 a sedan was introduced in March 1954 as a larger, up-scale version of the W120 180, on a wheelbase stretched by 170 mm, and was succeeded in early 1956 by the more powerful 220 S. A two-door cabriolet and coupe joined the line in mid-1956. The 220 a made 85 PS and 25,937 were built. A fuel-injected version of the 220 S followed in October 1958 as the W128.