Here's the add-a-fuse for the power for the laptop. We addded the one for the monitor later in the same fuse box. The trunk is way easier for wiring power b/c you don't have to go through the firewall.
Heres the VGA cable for the monitor and the USB for the touchscreen run into the upper DIN slot where the head unit used to be.
Here's us tucking the VGA cable the same way we did all the others: power, USB, etc.
Here you can see everything's clean and concealed.
The run out of the center console was a bit trickier to find, but we just used the same track that the stock (optional) MErcedes phone wiring used...
...and moved it around