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Turbo cooling

I have just bought a 2011 Mercedes C-class Blue Efficiency, with a petrol engine. Do I need to take special care before switching off the engine, because of the turbo?

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This has a water cooled turbo and coolant will continue to be pumped through it after you switch off. But still better to run the engine at idle for a minute or two after a long ascent, for example.
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A big improvement on the previous C-Class. Feels well built and robust. Very comfortable and refined. High quality ride. Good CDI diesels.
 

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