【How-to】Which is the most fuel efficient mercedes c class

The Mercedes C-Class is pricer to buy than the Audi A4, BMW 3 Series and Volvo S60. … Fuel economy, particularly for the C220d at 57.6mpg, isn’t quite as good as a 3 Series, but is ahead of the A4. The petrol C200 manages 44.8mpg, and that can’t be matched by any of its petrol rivals, including the S60.