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  #1  
Old 01-12-2001, 04:33 AM
PhilKwon
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Hi,

Thanks for providing this forum!

I just got a '96 C220 a couple months ago. Runs great, but tonight, the car was sitting in the driveway, and after several hours in below-50 temperature, the fans started running all by themselves.

I called the 800 number for Mercedes, and the tech that got on the line couldn't help, so I pulled the fuse for the fans.

I usually do most minor repairs myself, but I'm new to Mercedes. Is this something that's relatively simple, like a bad sensor or relay, or will this cost me a bundle at the dealership?

Thanks.

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  #2  
Old 01-12-2001, 09:10 AM
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Join Date: Mar 1999
Location: Tucker, Ga USA
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Would have to be a bad relay. A/C & engine cooling fan ?? there is a PULSE relay mounted to the left frame rail behind plastic inner liner. Remove the lt. front wheel.
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  #3  
Old 01-12-2001, 10:35 AM
PhilKwon
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Thank you!

I'll take a look as soon as it stops raining!

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  #4  
Old 01-12-2001, 11:03 AM
PhilKwon
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>Would have to be a bad relay. A/C & engine cooling fan ?? >there is a PULSE relay mounted to the left frame rail >behind plastic inner liner. Remove the lt. front wheel.
>__________________

Just a quick question...

It is the cooling fan, the ones mounted in front of the radiator.

Once I have the left front wheel off, do I need to remove anything else in the wheel well to get to this relay? Will it be fairly obvious or are there more than this one relay?

Thanks again - anything to get me in and out quicker!

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  #5  
Old 01-12-2001, 02:13 PM
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
It's a computer

Phillip,
It's behind the plasitc frame rail cover, MOUNTED upside down & electrical connector at top allowing water to enter w/raining. About 5" X 6", aluminum finned case.
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  #6  
Old 01-13-2001, 01:13 AM
PhilKwon
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M.B.Doc,

I found it! I think. I took off the plastic liner that is on the wheel well to the front of the wheel, that spans from the fender to the rail. Behind this liner was a box that was mounted to the wall, but it's not quite that big (about 2 x 3) and doesn't seem to have aluminum heat fins.

The connector's a large oblong thing (about 1-1/2" long) with the wires all in a single row, and the connector was on the flat side, facing me.

Is this it? Does MercedesShop carry this? Is the service CD available to me for my car?

Thanks.

[Edited by PhilKwon on 01-13-2001 at 12:54 AM]
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  #7  
Old 01-15-2001, 08:08 PM
PhilKwon
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M.D.Doc,

Wasn't sure if you saw my last post on this...

Have I got the right part?

Thanks again...
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  #8  
Old 01-16-2001, 08:59 AM
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Should be the only item on that rail, oval plug. Try disconnecting & draining water from it.
PART # 016-545-96-32 & list price is $149. I re-mount with wiring pointed down!! WHERE possible.

[Edited by M.B.DOC on 01-16-2001 at 11:53 AM]
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