Renato was chosen again as coach of Fluminense, for a fifth spell at the club from Laranjeiras. Bahia On 13 December 2009, Renato was named manager of Bahia for the 2010 season, in the place of Paulo Bonamigo. Grêmio On 10 August 2010, Grêmio confirmed Renato was their new coach, two days after the sacking of their former coach Silas. He tried to start a good season, but in his debut the team lost to Goiás and was eliminated from the 2010 Copa Sudamericana on the Second Stage. In the 2010 Brazilian League Grêmio ended in 4th place and consequently qualified to 2011 Copa Libertadores. Afterward, Renato did not do a great season in 2011. His team lost the 2011 Campeonato Gaúcho finals to their rival Internacional and was the runner-up. Grêmio was also eliminated from the 2011 Copa Libertadores on the Round of 16, losing to Chilean club Universidad Católica. All of that disappointed himself and Grêmio's President Paulo Odone. He coached some matches of the 2011 Brazilian League, however their performance wasn't good, and Renato resigned on June 30. Even after being two years without coaching any club, Renato was the first choice of Fábio Koff, president of Grêmio, to succeed Vanderlei Luxemburgo as the new coach of Grêmio. On 2 July 2013, the coach signed with the club and was presented to more than 5,000 supporters in Grêmio Arena. In 2016, Grêmio was going through some hard time, they fired their coach Roger Machado. Many people thought Grêmio would be eliminated on Copa do Brasil in the round of 16 by Atlético Paranaense. Grêmio didn't have great names in his team and haven't won a big title in 15 years – the last one being the 2001 Copa do brasil. Renato lead Grêmio to the classification in penalties which gave hope to Grêmio fans. Then, he kept the good soccer defeating the biggest teams of Brazilian soccer, Palmeiras (8th), Cruzeiro (4th) and in the finals against Atlético Mineiro in a BO2 final type, winning the first game in Belo Horizonte by 3-1 in an excellent match. Then, consolidating the results in Porto Alegre at Arena do Grêmio by drawing 1-1 and in final score with an 4-2 Grêmio won the Copa do Brasil. Curiously, in the same year, its biggest rival Sport Club Internacional had a bad campaign in the Brasileirão and was demoted to the Série