Get detailed information on the best Mercedes-Benz gas mileage cars with over 0 MPG and do side-by-side comparisons to help you with your new car buying. Research Under 20 MPG Mercedes cars and fuel efficient 2014 2013 new cars with high MPG including EPA fuel economy ratings, miles per gallon, car prices, cost of ownership, safety, recalls, standard features, options, warranty, fuel economy, specifications, and more on any new Under 20 MPG Mercedes car models. Click on the links below to find the right vehicle for you!
