2016 Mercedes-Benz E-Class Sedan Diesel is the newer version with just one noteworthy difference, the maximum occupancy.. And finally, the 2016 Mercedes-Benz E-Class Sedan Diesel seats two more passengers than the 2015 Mercedes-Benz E-Class Sedan Diesel. Among similarities are the body structure, powertrain, market segment, starting price, horsepower, fuel economy, ground shadow size, and height.