Only 39 Ferrari 166 S were produced, soon followed by the production of the 166 Mille Miglia (MM) which was made in much larger numbers from 1949 to 1952.
Só se produciron 39 Ferrari 166 S, modelo que pronto foi substituído polo 166 Mille Miglia (MM), fabricado en números moito máis grandes de 1949 a 1952.