Door handle lock on Mercedes c 240, it is not working?

[aleksandrab]

the drivers side door handle lock on my mercedes c 240 is not working because I had to fix something else but I also had to remove the lock from the inside but now I cant put it back in.
I tried searching the internet in order to find any site that contains scheme on how to fix it but useless.
I need help form you please, instructions or site with literature.
Thank You.