I have an 82' 300SD and would like to know how to change the outside temp display from celsius to farhenheit. Any suggestions? Thanks

 

I'm affraid you are going to have to change out the temp display. I did this last year on my 84 500 SEC. Only took me about 15 minutes to change, but I have removed my instuement cluster several times before so it was easier after the ractice I have had. The temp display is held in place by 2 long screws accesible from the back of the cluster once removed from the dash. Then it simply slides out of the cluster. Just has a small electrical plug to unplug in the back. Hope this helps.
Regards,
Greg