85 300sd How do you get the little nut off that's on the inside of the door under the rubber gasket? My 1/4" drive sockets are to large in diam to get into the hole. Is there a special tool or does someone make a socket small enough to go in the hole? Thanks, Jim

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85 300 SD ~ 115K
82 500 SEC Euro ??K
78 450SL 164K

Its real easy, just pull back the door seal a little in that area and you'll see there is a hole to access the nut.

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a few mb diesels

I have pulled back the gasket and can see the nut but my 1/4" drive sockets are to large in diam to go thru the hole. What do you use to get the nut off?

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85 300 SD ~ 115K
82 500 SEC Euro ??K
78 450SL 164K

Have you tried using a nut driver? they are usually a bit thinner. In worst case you should be able to go to the local auto parts and pick up a cheapie socket or driver for a few bucks, then hit it on the bench grinder a bit until it fits the hole, I can't imagine that being a very high torque nut so grinding a socket should work if you had to.

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Chris
64 190D R.I.P.
80 240D W/617 engine -for sale
82 240D -for sale

Yes, probably most of us have a dedicated set of ground-off or ground-down wrenches and sockets for use on these cars. I made a new one just yesterday adjusting a wastegate spring.

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'79 300D, Ivory "Gunther" ......going
'81 300SD, Metallic Blue Silver, The Grey Ghost.....going
'87 300D Turbo ...gone
'05 CDI.... gone