E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

Vent recirc button flashing ????

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Old Feb 24, 2011 | 02:59 PM
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wootang's Avatar
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W124 300CE 1989
Vent recirc button flashing ????

Hi all, have a 1989 W124 300CE with Diavia aircon and the 3 central buttons: demist/ EConomy/ recirc. Recently the recirc button has started flashing, when pressed it will close vents and turn to constant lit (as it should) but when pressed again, it just starts flashing.

What could be causing this?
Is there a reset on the system? how do you initiate this?
Are there any filters in the system? pollen etc if, so, where are they located?

Any ideas would be greatly received, thanks
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Old Feb 24, 2011 | 04:32 PM
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'91 C124 300CE,'06 ML 500 W164, '00 BMW MCOUPE, '65 COBRA REPL.
There are no pollen/cabin filters on these cars. (They came later and not on all later W124s.)

I had the same issue after a code reading I did. I just reset the codes with the code reader and all is fine. Not sure though in your case.
BTW, a code reader can be built by you for around $10+/-.
Do a search for the code table and for the code reader. It is an invaluable tool.
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