Are these the transducers for the EGR and air recirc on the turbo? I've seen something similar on my 300, but both of them are shot and I've not bothered to replace them, just plugged the supply line to keep dirt out (and get the AC to work properly!).

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!