Stupid Question
 

Ok, I can't tell you how embarrassed I feel posting this, but I have to ask. My car didn't come with an owner's manual so I figured I could figure out how to turn on the air conditioning myself. Well.... no luck ...
Unless maybe there's something that isn't working properly.
I have an '86 300E. Since I see no button for the A/C, I figured I probably turn it on to one of the non-economy fan setting and turn the dial all the way over as far as it goes on cold. I never got any cold air to come out and I messed with the re-circulate button and a few others. Can someone please put me out of my pathetic misery? Come to think of it, I don't think I tried the defrost (very left) fan setting, but I don't think that would do it... or then again maybe im wrong. Please someone help me :)

You're on the right track. It's fully automatic, so any button except the "EC" button will run the A/C compressor, including the defrost button, if it's called for. The temp wheel being turned down to "MAX" blue should run the compressor. More than likely you are low/out of freon.
Gilly

Starting from the left , defrost, a/c through top and bottom vents,a/c through center vents,economy (no a/c) , off