The Manchester United star - who is heading to Real Madrid for a record £80m - was the subject of a careless driving investigation after crashing the brand-new car into the side of a concrete road tunnel in January.
Police have now decided the Portuguese player will not face any charges over the smash which tore one wheel off the 599 GTB Fiorano and crushed the front and side.
A source said: "Ronaldo gave us a written statement saying he had simply lost control of the car and the only evidence we have in relation to what happened is that he had a crash.
"In light of that, it would be inappropriate to prosecute him for any driving offence."
At the time of the smash, on the A538 Wilmslow Road, which runs underneath Manchester Airport, the striker had only had the 205mph Portuguese-registered, left-hand-drive supercar for a couple of days.
United's goalkeeper Edwin Van Der Sar was travelling behind in his Bentley.
No other vehicles were involved in the smash but police identified several witnesses.
Ronaldo was spoken to at the scene and breathalysed in line with standard procedure but the result was negative.
Officers said at the time that the car's specialist ceramic brakes could have been affected by an initial impact with the kerb inside the tunnel.
A police spokesman confirmed: "No further action will be taken against the driver of the Ferrari 599 GTB."
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Showing comments 1 to 19 and replies | View All
Steve (16/06/2009 at 08:00)
Free Red, Manchester (16/06/2009 at 09:57)
Esso Blue. G. Barry, it's a Done Deal. Next, Manchester (16/06/2009 at 10:00)
nicked-name, greater manchester (16/06/2009 at 10:10)
token male, lush green cheshire (16/06/2009 at 12:36)
token male, lush green cheshire (16/06/2009 at 12:38)
Mancun IAN , Levenshulme, Manchester (16/06/2009 at 12:42)
Dukinfield Blue, Manchester (16/06/2009 at 13:16)
mufc skint and we know it , dunham massey (16/06/2009 at 13:18)
Mad Welsh Scotsman, Cadishead (16/06/2009 at 13:39)
but No! not a footballer
Mad Welsh Scotsman, Cadishead (16/06/2009 at 13:41)
Blue Dude, Manchester. (16/06/2009 at 13:43)
Well done mr fixer - take a bow son !
Peter Barnes, Manchester (16/06/2009 at 14:03)
Pushkin (16/06/2009 at 14:12)
wotaboutawaterbottleweeble, north wales (16/06/2009 at 14:18)
RT, UK (16/06/2009 at 21:55)
If a vehicle is being driven properly then it would not be simple to lose control of it.
How light the law deals with careless driving now or is it just for the few?
Frequent Flyer, Altrincham (16/06/2009 at 22:21)
16/06/2009 at 14:03 - LET ME GUESS - A CITY FAN !!
Laura Norder, Didsbury (17/06/2009 at 11:05)
Why? What legal precedent do you base the above statement on?
I'm guessing you are a sad 'bitter' - get over it.
More to the point: what public interest would be served if Ronaldo was to have been prosecuted?
Ted Striker, Banned from being Cunning for no apparent reason it would seem... (17/06/2009 at 14:59)