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1983 300SD (90K), 1985 300CDT (69K) brand new, 1970 250C, 1989 190D (45K) brand new
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164 Posts
Discussion Starter #1
Has anyone replaced the original clutch fan with an electric one?

I just replaced the fan clutch on the wife's 83 300DT. Of course, I had to add a second mortgage to buy it. That hurt.

Now the fan clutch on my 83 300SD has bit the dust. I really don't want to fork out another $165 for a fan clutch if I could put that toward a good electric replacement.

I was checking out a 16" universal S-Blade (17" overall diameter). The fan, relay, wiring and temperature control switch is available for about $150. So I was thinking this might be a good time to convert over.

Any thoughts?

(ps, yes, I posted this on the 123 and 126 list since I own both models)
 

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82 300D VNT, 80 240D 3.0T
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3,926 Posts
Now the fan clutch on my 83 300SD has bit the dust. I really don't want to fork out another $165 for a fan clutch if I could put that toward a good electric replacement.
There is no such thing as a "good" electric replacement. Get a good clutch from the junkyards or buy one from a member here.

I was checking out a 16" universal S-Blade (17" overall diameter). The fan, relay, wiring and temperature control switch is available for about $150. So I was thinking this might be a good time to convert over.
Spend the extra $15 for the right part.

Why are you complaining? $165 for a part that lasts 25 years is a good deal. Electric fans are much less reliable, won't last a fraction of that and have many more weak points that can fail and leave you stranded.
 

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Premium Member
W-1-2-3 Go!
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16,161 Posts
Or you can check out junk yards that have the 9 bladed plastic fans. Remove the bi metallic strip and check if it still has the silicone material. I believe the 9 bladed fans only came in 1985 models (300SD and 300D/TD/CD OM617.95x engines)
 

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1985 380SE
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1,939 Posts
I'd stay with the fan clutch system. The lack of electrical stuff on these cars is a major part of why they're so reliable, so adding an electric fan system is asking for problems.
 
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