The Portugal international was full of compliments for his club teammate and added that he still has room for improvement.
"Yes, Mesut has made me better. If you have great players around you, your play becomes stronger," Ronaldo was quoted as saying by Kicker.
"Ozil is fantastic. He can read the game and knows when he needs to play the pass, when he should take a dribble - that's simply class.
Ozil joined the Blancos from Werder Bremen in the summer of 2010 and has become an important first team member and Ronaldo is very pleased to have the attacking midfielder at his side at the Bernabeu.
"We have a really good connection and this is still getting better. I love to play with him, he is fantastic."
Ronaldo then discussed his personal development and stated that he still has room for improvement in certain areas of his game.
"Well, you never know your limits. And of course I can do a few things better," said Ronaldo.
Ronaldo has scored 13 goals in 11 Liga encounters in the 2011-12 campaign.