need code for my renault megane stereo plz?

hi there i recently had some work done on my car for the MOT they needed to disconnect the battery i say ok cos i thought i had the code still in a email from this site cos i used this site before to get code but no look lol my stereo model no 22DC259/62T & prob no FD0200200134855 & some other numbers? RN259FY0134855 7700434422TR284 thanks for your help in advance