Help: Can't get AC fans to turn off. Even when car is off? - Page 2 - Mercedes-Benz Forum

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post #11 of 12 (permalink) Old 09-24-2010, 01:31 PM Thread Starter
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Date registered: Apr 2008
Vehicle: 97 E320
Location: Mobile, Al
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The Born on date is 03/97. The controls are the automatic version. No major options on the car like headlight washers or anything. Just run of the mill.

Thanks,
Rob
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post #12 of 12 (permalink) Old 10-20-2010, 11:02 AM Thread Starter
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Date registered: Apr 2008
Vehicle: 97 E320
Location: Mobile, Al
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Ok figured it out. With a little google and help here I went on ahead and ordered a new blower relay. Apparently, the relay has several stages of operation ( eg, how the fan switch selector works) and if it gets too hot, those stages are eliminated and a default of either FULL On can be optional or nothing at all. Well, mine stuck in full on!

So, I ordered the S series blower relay and installed it. 79.00 well spent and it took all of about 15 seconds since I had done a previous modification. NICE.

So, its all back to working like a champ. Thanks for the suggestions and the help. It was appreciated.

Rob
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