in the mid 70's MB made a 240D turbo.
but it used the 3.0L 617Turbo motor.

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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!

MB dropped the 240D from the US market in 1984, but continued the production of the entire W123 series in Europe until 1985, when the production run was officially ended by the advent of the W124 production. The 190E in 1983, the W201 chassis, was not a replacement for the W123 in any market, including the US as the 300D TurboDiesel continued to be sold in the US until 1986, when it was replaced by the W124 300E. The US market missed the bulk of the W123 variants, gas and Diesel powered.

I do not recall any European or other W123 turbocharged 4 cylinder Diesels from the factory. But that doesn't mean they didn't give it a shot. There was a formal hierarchy of models in the MB lineup back in the day and displacement and technology were the adornments of the models at the top. I am not sure a turbocharged 3.0 liter Diesel would have made it through the marketing department at MB as a 240D 3.0 Turbo instead of a 300D Turbo.

Jim

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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)

Since the parts from the turbo engine can be retrofitted into a 240d with regards to the annular oil ring pistons , oil squirters, and such.... it might be a more feasible project than some other engines with turbo chargers just added to the outside...

I am waiting until I get rich to do this and place it into a Pagoda Top 250 SL..
Just to show up at Diesel Get Together's and cause purists to hyperventilate.

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/diesel-discussion/10414-help-i-need-check-stretch.html

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html