I used my front window defroster today and I had warm to hot air hitting the
windshield then me. I have an 1989 560SEL. I can't figure out why this is
happening. I rolled the auto climate control to it's lowest setting, and
still nothing, I still got hot air out of it.. The auto climate control
"knob" works for the cars normal hot and cooling temp mode. I'm puzzled. Any
Same with my 1986 190E 2.3-16. There is a defog setting which aims the air
at the windshield but lets you manually select the fan speed and temp. Then
there is a defrost setting which aims the air at the windshield but also
selects high fan speed and max. heat. You could achieve the same thing in
defog mode by manually making those selections, but defrost mode is a
1986 190E 2.3-16
first 16V in the US
featured in Car & Driver - March, 1986
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