fuse locations

Hi, This is probably going to be a daft question... but anyway, here goes... be gentle with me as it's my first one :) Need to access the fuse box that's in the dashboard (my daughter's boyfriend has got me a dashcam & he's suggested connecting directly to fusebox (via a plugin widgit) rather...

I bought a used 2008 S550, and the radio isn't working. The display is OK, but no audio whether the GPS, DVD/CD or AM/FM. I want to do a soft reboot, but I have to know where the fuses are, and which ones to pull. The fuse schedule and diagram was missing, and I didn't know it. Does anyone have...