There is a wide choice of powerful petrol and diesel engines for the E-Class Coupé and Cabriolet. All are highly efficient and equipped with the ECO start/stop system. Six petrol engines are available ranging in output from 135 kW (184 hp) to 300 kW (408 hp) and there are also three diesel engines ranging from 125 kW (170 hp) to 195 kW (265 hp).