How do you top a car that in its previous rendition sold 1.5 million units? According to Mercedes-Benz, by concentrating on "innovations that matter." The new E-Class if full of innovations that matter: Better fuel economy, increased safety features, sharper design, and smarter engineering. Combine this with a sizeable drop in price tag and an increase in standard features, and that's how you top a car that in its previous rendition sold 1.5 million units.