2000 Mercedes Benz 300td AAC blowign hot air, while Center

Tiny
AKBARAUTO
  • 2000 MERCEDES BENZ 300TD

Air Conditioning problem
2000 Mercedes Benz 300td 6 cyl Automatic

everything appears to be functioning properly, but the side vents blow hot air. What might be something I haven't checked yet?

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Wednesday, July 8th, 2009 AT 5:35 PM

2 Replies

Tiny
JACK42
  • MEMBER

I have forwarded your question to our M/B tech. He will be with you shortly, thank you for your patience

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Thursday, July 9th, 2009 AT 7:57 AM
Tiny
GFIMOTORCARS
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  • 681 POSTS

This can usually be attributed to one of two problems. First a broken vacuum line for the ac unit is very likely with this complaint. Open your hood and inspect the vacuum lines on and around the firewall. If all appears okay then the next possibilty would be the AC pushbutton control unit which has been known to cause this complaint as well. A broken vacuum line is more than likely the issue and this can be fixed very easily however if no problem is found with the vacuum lines, then the control unit will have to be diagnosed by a MB shop.

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Tuesday, July 14th, 2009 AT 11:39 AM

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