The bar between the 80 and the 120, and I don't know if I agree with you that what you see in the pix is only ~ 105C. I have other friends cars that are the same as mine (one is a '95 E420), and even under the hottest days in traffic with the A/C on, they never get to where mine shows on a 60F outside temp in regular driving.
I'm with you though on your other comments, but remember about your Hot/High temp comment, I am in seattle so I should not be having these problems with the temp going so high.
I still need to know the location of the resistor. I'm heading out for a few hours and will read this when I get back. thx Arthur