Mercedes C180K: petrol is back

New engine and body tweaks help the C-class clean up its act

LAST UPDATED AT 00:00 ON Mon 16 Feb 2009

Even though it has arrived late at the eco party, Mercedes' new BlueEfficiency system is superb. This C180K is a great example of a refined and fuel-efficient saloon that doesn't demand compromises of the driver. Mercedes says petrol power could mount a resurgence in the executive sector - and this car is so efficient, it could be right. · 

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