Paris Motor Show 2010 - coverage sponsored by Renault ZE

Richard Aucock, contributor, MSN Cars, 04/10/2010 12:27

Mercedes S250 CDi

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Mercedes S250 CDi (Image © Mercedes-Benz)

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Image © Mercedes-Benz

Mercedes admits it has 'done the unthinkable' here - put a four-cylinder diesel in a big luxury saloon.

Refinement and profit margins has previously stopped makers doing this: near-50mpg and 149g/km CO2 prove what smart thinking the unthinkable is. Plutocratic sustainability.

Mercedes S250 CDi and new CLS at Paris 2010

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