Later the company manufactured the radically restyled Esplanada with improved engines and, with increasing control by the Chrysler Corporation over the French concern, was taken over with the American car giant becoming its majority shareholder.

The Simca plant received a visit by Juscelino Kubitschek before his inauguration as president in 1956, organized by a Brazilian General who had a family member employed in Poissy.

In spite of promises made, first to President Kubitschek and later to the GEIA (the Brazilian Executive Group for the Automotive Industry), Simca's activities were never moved to Minas Gerais.

The delays in passing the GEIA rules meant that Simca were unable to access hard currency and suffered severe parts problems as a result.

Simca France, having invested heavily in their Brazilian offspring, then sent their top engineer Jacques Jean Pasteur to Brazil not only to streamline the production but to actually run the entire operation.