I hot shotted my 2001 clk320 from the connection under the hood, and obviously blew something. The dash lights do not come on, gauges not working, and I believe the radiator fan is not working. Is there a relay or module that I could have blown and where is it located. I have checked all the fuses and they are good.

You checked all the fuses in all three fuse boxes?

Yes Marcus, I checked them all, the are actually fuses if another box under the hood on the passenger side. It must be a module or relay and I can't find where the ones that control the dash are located.