Complex sentence: The first prototype was completed in 1942 and two more prototypes were produced in the following three years, with the 4CV ultimately presented to the public and media at the 1946 Paris Motor Show.
Split into simpler sentences: The first prototype was completed in 1942 and two more prototypes were produced in the following three years. The 4CV was ultimately presented to the public and media at the 1946 Paris Motor Show.