Sorry Dave, it's against the policy hereabouts in case somebody who's pinched a radio comes on looking for the code. Unless you can find the paperwork that came with the car, I'm afraid you'll have to go to Renault and ask them. They may well charge you, though. (But surely it'd be worth it!)
the code for tof199 rn278f30448662 is :
code = 0405
It is very easy to calculate <a href="http://car-radio-unlock.blogspot.com/20
11/05/clio-radio-code.html">Clio
stereo codes</a> using the Renault <a href="http://car-radio-unlock.blogspot.com/">
radio
code calculator</a>.