Bob:

Keep ignorance away from your car. What is being suggested (wrongly, because the idiot doesn't know Benz) it to disconnect the wastegate on the turbo. This will destroy the engine (this isn't the first time I've heard this story, by the way.... not the first time someone got a new vehicle and wouldn't say why, either!).

You get amazing power out of that car in the first place. If you want a road racer, get a cheapo Jap car and hop it up, don't mess with your Benz.

Unless you are having trouble keeping up in traffic, there is nothing wrong with you SDL, and you don't need to mess about.

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!