i would bet money it has never been changed since the factory, i got a new 1 from MB

when i look at both, the old factory gasket looks 2x as thick and almost like it was made with some metal in it NOT just a cork gasket i got now
my question

do i use the old, new or both?

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,

I would say use the new gasket. Mercedes often upgrades repair parts over the years, and so the difference is unremarkable. I would just make sure that all surfaces are clean. Unless the manual say to use a sealer, don't use one, just make sure the pan is bolted according to specs, by finger-tightening them and then tightening them with a wrench alternately, as it says in the manual.

After you have it on, check carefully for leaks.

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Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)

I had too retighten the allens about three times before it guit weeping last time I replaced one.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

what kind of gasket did you use? was it a thicker 1 or like a cork?


there is a deep imprint all around the pan lip, that may by why you have to tighten it 3 times, so it makes the deep imprint and a stronger seal

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,

it was not cork, but quite thick. We are not talking "upper" pan, ok, I knew that, just making sure

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

Be careful not to bend the pan when tightening the bolts.
I recently replaced my gasket, and had to scrape quite a bit to get the old one off.
No sealant.

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1982 300CD Petrol/Black Leather

Cork? I have never seen a cork gasket for oil pan. I would not use it.

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http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42

Its an official part.. I did mine 4 months ago and was like.. wtf?

Its a bugger to get it on I used some fishing line to hold it in place then slipped out the line once I had 4 corners botled

I would think a wee tiny amount of blue RTV wouldn't hurt and would be a whole lot easier. Last one I did must have been a couple years ago and I dont think it was cork.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

FSM calls for no sealer.. none..

I installed mine and snugged all the allen screws in a criss cross pattern.. I didnt have a torque wrench so I winged it.. no leaks or weaping for 10k now