An intercooler will be difficult on most MB applications, requiring extensive modification of the intake manifold. The turbo is usually bolted right up to the intake!

There is also the issue of just where you would put it -- engine compartment is a bit tight at the frongt. Good project, though.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!