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Old 05-30-2002, 09:56 PM
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
I'm glad there was some clarification of the hammer and chisel method in the later posts. I was thinking it meant shearing off the bolt head or something - rather than just trying to get it to turn a bit.

A nice 13mm Craftsman 6-pt socket is my prescription.

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Old 05-31-2002, 04:49 AM
Registered User
Join Date: Apr 2002
Posts: 3,469
oil plug


The hanson bolt extractors look pretty good. I have used the kind that look like a socket, but are really tight, and you pound them on, then take the bolt out.

If I come across a bolt that is rounded over, I have used the dremel method described, which worked pretty good. My friends honda timing belt tentioning nut was stripped so that is what I did for a temp fix until he got a new one. And I also have a full set of easy outs, and I love them because the left handed drill usually gets the bolt out already. And when you drill through its goign to drain the oil, then you can use the easy out to get the plug out.

I would invest in the mercedes tool for loosening the oil plug. Try this number 000 589 24 07 00 or 117 589 02 07 00. You can also use it to service the differential.

You can get them at the mercedes dealer or my mecahnic actually got mine for me, but I know that he got it for me from the dealer because its actually not too expensive. Since I got it, I havent rounded off any, but I replaced all the drain plugs on my benzes since I got it to ensure that I dont mess any of mine up. Make sure not to over tighten them, and always use a new crush washer.

I dont know if I would trust a drain valve because mercedes engines are really expensive....they hold pressure til the last quart, then boom they are dead. But for the ML270, that seems like the only good option...Getting oil everywhere is bad.

Let us know how you eventually get it off,

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Old 05-31-2002, 10:14 AM
Posts: n/a
Thumbs up Stuck drain plug

I removed the stuck drain plug in my 190e with a pipe wrench. It chewed-up the plug pretty bad but it came out without a problem. I now use a 1/2" box-end wrench or socket.
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Old 05-31-2002, 03:03 PM
Posts: n/a
Exclamation metrinch

I had the same problem - stuck drain plug.

What eventually worked was a metrinch socket (1/2 inch) - it grips in the middle of the bolt head's sides.

good luck !

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Old 05-31-2002, 05:05 PM
engatwork's Avatar
Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 11,878
Only the appropriately sized metric wrench for my cars
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Old 05-31-2002, 07:12 PM
Registered User
Join Date: Jun 2001
Location: California
Posts: 326
That is the core problem. The bolt is a little undersized. The 1/2 inch fits it, the 13mm doesn't. :p

04 ML500
02 E430

Experience is something you don't get until just after you need it.
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Old 06-02-2002, 01:18 PM
Registered User
Join Date: Jul 2001
Posts: 74
You need to try again with vice grips. Have never met a plug that could defeat a well placed 12 inch high quality pair of vice grips.
1987 190 Euro
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