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  #1  
Old 02-03-2018, 08:36 PM
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W115 300D throw out bearing

Thanks in advance for any help or input.

I just bought a 1974 W115 4 speed manual and the throw out bearing makes a loud squealing noise sometimes when I press in the clutch(k suspect this is caused by a failing throw out bearing). Does anybody know where I can find a new one as I am having no luck finding one online.
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Old 02-04-2018, 12:37 AM
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Pelican's got them. They call it a "clutch release bearing" instead of "throw out bearing":

https://www.pelicanparts.com/catalog/SuperCat/3195/MBZ_3195_TCLUTC_pg2.htm#item6

You have a stick shift W115 300D?
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Old 02-04-2018, 04:12 PM
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Awesome. Thanks a lot.

Yes I do. 1974 300d stick shift . Just bought it 2 weeks ago
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Old 02-04-2018, 04:40 PM
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Wow; those two throwout bearings certainly look different to do the same job.
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Old 02-04-2018, 04:51 PM
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They certainly do. I,guess I'll have to remove mine and hope and pray the one I remove looks like either one of those 😁
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Old 02-04-2018, 04:55 PM
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Not very recent experience but I used to change out my throwout bearing on my '57 Chevy when I was a kid (tranny's reaction to some aggressive shifting at high speeds). It looked like the second picture, the real MB part.
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Old 02-04-2018, 05:22 PM
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Looking at the pictures in the link provided above, it looks like the Sachs part is "upside down" compared to the MB. Probably the same part, Sachs is an OEM to Mercedes for a lot of things.
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Old 02-04-2018, 05:29 PM
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Diseasel300: if you click,the pictures for both it shows multiple pictures for each and they are in fact different.
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Old 02-04-2018, 05:35 PM
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There's the thing though. Mine is a 1974 300d 4 speed. None of the parts websites or local stores show 1974 having a 300d, only 240d. This has perplexed me from day one when I got it and started ordering parts for it. I assume the 75 is the same so anything I order I always search 1975. I assume the 74 240d has the same manual transmission as my 74 300d.
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Old 02-04-2018, 06:31 PM
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Mt:

Were you to post all the info from the data plate on the door post, or a pic of same, and the engine numbers that are stamped (not cast) into the block, there are folks here who will be able to identify the year(s) involved.
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Old 02-04-2018, 07:05 PM
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Quote:
Originally Posted by Mt2385 View Post
Diseasel300: if you click,the pictures for both it shows multiple pictures for each and they are in fact different.
Without having both in hand, it's hard to tell how different they are. They both have the same mounting tabs, they both have the same flattened profile on the neck, and they both have the same thrust bearing. Other than one having a stamped metal body and one having a plastic shell, they should both do the same job. Given my money, I'd go with the MB branded one only for the fact that it has a metal shell.
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The Diseasel Thread - Everything You Didn't Know You Wanted To Know
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  #12  
Old 02-04-2018, 07:45 PM
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Frank Reiner: I'll post a pic of that next time I'm around the car.

Dieseasel300: thanks for your input. I agree the genuine mb is a sure bet.
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  #13  
Old 02-05-2018, 06:06 PM
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