Well that was expensive, $300 for a new pushbutton controller and it still does the same damn thing. Switches from heat at the floor to a/c at the vents in a rhthym of about every 15 seconds. I can hear the vacuum switches clicking and the pods flexing as it does the same stupid crap. I have got the service manual on cd and unless I have this Mercedes gizmo that you plug in I guess the only thing I can do is ohm out a few temperature sensors but not sure if they are even the problem. There is a box, "electronic temperature switchgear" mounted under the dash, maybe I will throw one of those at it and see what it does, can't be nearly as much as the pushbutton controller.

When I bought this car somebody tried jumping it backwards and it was dead when I bought it, blew the OVP, OVP fuse and the ignition module, wonder if maybe they fried something on the climate control?

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Chas

Had a 380SL, 450SL, 380SEL, 420SEL, 500SEL

Got a Euro 500SEC right now.