Judge Vallisney Oliveira in Brasilia sentenced Robert de Macedo to four years and two months of jail, saying he had hired lobbyists off the books. The company's former president and several lobbyists were also sentenced.

MMC Automotores declined to comment.

The investigation, "Operation Zealots," is looking into alleged bribes to lawmakers that prosecutors say ensured measures favored by the auto industry were passed during the governments of President Dilma Rousseff and her predecessor Luiz Inacio Lula da Silva.

(Reporting by Lisandra Paraguassu and Caroline Stauffer; Editing by Leslie Adler)