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Discussion Starter #1 (Edited)
I have a 1986 300e
I have searched the forums but haven't seen anything of my nature.

The A/C works great, blows hard and cold every time.
The defroster functions but the two middle vents blow out cold air.
Does this when the heat is on too.
Any ideas on why this is?

I have a spare climate button system if its the actual unit itself.
 

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i think when the heat is on, it shouldn't blow heat out of the two center vents, but i don't know how that would help you. it may just be a little fuse somewhere or it might be the climate control unit itself. maybe someone else may offer some insight into this.
 
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