About a week ago the blower on my 92 190E 2.3 stop working, I had just got the air conditioning back to working. Anyway after the motor died I took it to an electrical only shop that fixed it and now I have a blower but also Hot air from the both side vents and the defroster when I have nothing turned on. If I turn the Air Conditioning on it comes through the center vents but hot air blows from both side vents and the defroster anyway.

Would this be the Climate Control Unit 'CCU' or something wrong with the flappers in the dash somewhere? This is getting frustrating, fix one thing another thing seems to break right behind it!

any help would be appreciated.