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

87 300E climate fan problem

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Old Feb 23, 2008 | 02:34 PM
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mistersw's Avatar
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Question 87 300E climate fan problem

The fan for the interior is very intermittent lately as to when it wants to work and when it doesn't. Some days it won't work at all and others it doesn't miss a beat. Any suggestions?
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Old Feb 23, 2008 | 05:15 PM
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1995 E320 SE, 162,000 Miles (Sold) 2007 CLK350 Cabriolet 2014 ML550
Originally Posted by mistersw
The fan for the interior is very intermittent lately as to when it wants to work and when it doesn't. Some days it won't work at all and others it doesn't miss a beat. Any suggestions?
Look at the diagram found in post #11 in the following thread. Try the relay for the AC/Heater Electronic Blower Regulator, N29 on this diagram. It's hard to tell from the pic, but I think I read somewhere that you access it through the center vents. https://mbworld.org/forums/e-class-w124/229237-turn-off-automatic-headlamp-washers.html
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Old Feb 23, 2008 | 05:25 PM
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Link to DIY replacement

http://www.mercedesshop.com/Wikka/W124BlowerMotor

And maybe almost any other possible blower issue
http://www.mercedesshop.com/shopforu...d.php?t=212324

While you are in there, might as well do the cabin filter. That is if you have one.
http://www.mercedesshop.com/shopforu....php?p=1388624
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