Is this possible? Are they the same transmission? The 83 240d is a 10 hour drive from here and only does 25mph when it sees a hill. Otherwise, it runs fine. I have a known to be good auto from an 86 300td wagon, just wondering if it would be a straight swap?
Or is there a quick fix for the 240d trans. issue.

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I choose to be happy, even when the Mercedes is being awkward, lol

Mercedes switched the starter from the right side to the left in 86. So that is the stopper for most of us - the transmission just won't mount up to the engine. Some are switching the automatic 240D's to 4 speed manual, and even that is a big job, but it can be done.

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Junqueyardjim
Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis



1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

2003 Jaguar Type X, AWD. beautiful, good mileage,
Mom's car, but I won't let her drive it!

Mercedes switched the starter from the right side to the left in 86. So that is the stopper for most of us - the transmission just won't mount up to the engine. Some are switching the automatic 240D's to 4 speed manual, and even that is a big job, but it can be done. Perhaps your 240D engine and transmission both need a good tune up. The mountains in Ontario are really not much. Is your transmission down shifting as it should?

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Junqueyardjim
Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis



1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

2003 Jaguar Type X, AWD. beautiful, good mileage,
Mom's car, but I won't let her drive it!

So what's the story behind this "1986"? Because if it's really a 1985 or before it'll work just fine.

I kept the vin plate; I'll have a look at the actual build date.............

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I choose to be happy, even when the Mercedes is being awkward, lol

no.
the transmission is geared differently and is controlled differently. computers and such.
I'd like to hear more about the 86TD as well. if it's a 124 it'll be interesting.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

Oops! Build date 08/81

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I choose to be happy, even when the Mercedes is being awkward, lol

I had the year wrong, it's an 82, so it should bolt up OK.

I haven't had a chance to road test the car yet, I'm heading down tomorrow to do that. I'm taking along the tranny from the 82 300td just in case it's more than something out of adjustment.

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I choose to be happy, even when the Mercedes is being awkward, lol

I do have a 4speed and the pedals, etc. I'll probably stick with the auto box for now.

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I choose to be happy, even when the Mercedes is being awkward, lol