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Old 12-05-2002, 12:10 PM
michael cole's Avatar
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Join Date: Apr 2002
Location: waterloo ontario
Posts: 730
blower fan removal

the blower fan on my 90 300te 4matic is getting noisy.where is it located and is there an easy way to get at it and remove for lubrication

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Old 12-05-2002, 12:29 PM
pmizell's Avatar
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
This topic has been discussed extensively so a search would yield much information.

Essentially, you'll have to remove:

1. window trim (one on each side) pull straight out
2. firewall partition (removal of trim will reveal the screws)
3. rubber insulation piece that runs along the partition
4. air inlet cover, 4 screws I think
5. removal of inlet cover will reveal the wiper assy
6. remove wiper assy -- 4, 10mm bolts hold this on, 2 on left side
1 on either side of the transmission oval; unplug power
7. once wiper assy out of the way blower motor box will be fully
8. 7 or 8 clips hold blower motor box cover on, unclip them
9. retaining (metal) strap unclip
10. remove ground and 12v wiring to blower motor
11. pull out blower motor

Seems a bit daunting the first time you do this, and you'll wonder how you'll get it all back together, but just keep in mind what goes where and the steps you took to remove.

And don't forget to plug back in the wiper assy power supply.

'01 E430, Sport 72,000 mi
'98 C280, 126,500 mi
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Old 12-05-2002, 02:56 PM
michael cole's Avatar
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Join Date: Apr 2002
Location: waterloo ontario
Posts: 730
thanks for the info.looks like a weekend or part of one well spent
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Old 12-05-2002, 06:52 PM
Registered User
Join Date: Jun 2001
Location: California
Posts: 327
About 3 hours ought to do it. You know the trick about raising your hood to the 90 degree position, right?

04 ML500
02 E430

Experience is something you don't get until just after you need it.
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Old 12-05-2002, 08:03 PM
Registered User
Join Date: Jul 2001
Location: Kingston, Ont.
Posts: 201
there was a website "" or something that actually had a diy step by step with pictures etc. of the horror of replacing the whining fan

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