S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

AC not working

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Old 05-24-2018, 08:11 PM
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2004 S430
AC not working

I have an intermittent AC problem. When I turn it on the controls all come on but no air. I did the diagnostic and did not find any codes. I just recently had all of the cabin air filters changed and since doing so have had AC issues. The AC light is not on and had Freon levels checked as well.
Old 05-25-2018, 09:15 PM
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1999 E300TD
Bad AC control module---find someone with DAS Xentry to confirm!!
Old 05-25-2018, 09:21 PM
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2004 S430
Thank you will have it checked.
Old 05-26-2018, 08:14 AM
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Mine 2005 S430 4Matic * Wife's 2005 S430 4Matic *
The wires going to the blower may have been dislodged during the cabin air filter change. Check the connections there. At the very least remove them and reseat them to ensure a good connection.

Good luck.

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