How to format your MK5 2008 new version with the new menu (from V1.45 + XMenu V2.53, included the OLD MK5 but come with new menu)
[1] Hold START+SELECT when power on, then you will see this MK5 format menu:

[2] Then you can choose the "Quick Format" or "Full Foramt", we suggest you choose the second one, it's more stable.

[3] After it done, then power offer, and link your MK5 to PC for copy the last menu to your MK5 cart, then it'll work again.
Note: If you format MK5 on your PC, it'll never can workable! You have follow this guide.