The Chilean is not worried by a 2-0 friendly loss to Supersport United and revealed that the Blues are looking to wrap up new arrivals before the end of July
The defender joined City from Inter for around 4 million euros a year ago but struggled to find a permanent spot in the first team.
As rumors increase that the Brazilian is set to join Roma, the Chilean coach has revealed that the full back will not be a Blues player much longer and also claimed City will bolster its ranks before the end of July.
"We are not in a hurry to bring new players in but we are clear that we need two or three more before the season begins," Pellegrini told the club's official website.
"Maicon didn't come here to the pre-season and he will not be in the squad at Manchester City this year.
"It's difficult to say a date for any new arrivals but, before July finishes, I think we will have more players."
South African side Supersport United defeated City 2-0 to see the side begin preseason preparations in disappointing fashion, but the Chilean claims that he expected the loss despite a strong starting XI.
Pellegrini said: "The players were clear with what they had to do in this game. I spoke with them before the match and we had four or five days working together.
"We're not prepared to play the way we want them to play so this was a normal match for preseason. I'm not worried and this is what we expected."