I've tried to Hex Edit my Multiplayer SaveFile for Crysis 2 but couldn't find my XP Value in the SaveFile. I'm pretty sure all my Multiplayer Stats are saved on the SaveFile because i've deleted it off my Harddrive and made a new SaveFile and had to Re-earn everything again.
If you Guys need anymore Info on the SaveFile then just let me know.
SaveFile:
http://www.mediafire.com/?28npd2g467ajp1j