Mental Ray render looks really dark


#1

https://mega.nz/#!T9tSFQSb!w4eQNaR3ioK-om4x4ms61ysXFWXyd58UPxOf7Gg7Jr8
I’m trying to quickly render an obj, using this premade template. I set the material of the imported obj to mia_material_x and render. But the result looks so incredibly dark. Can anyone try the template out?