A maximum of tractive power and efficient consumption figures are the distinguishing features of M-Class CDI engines. They use the third generation of common-rail direct injection, which further improves their power delivery. For the finest 6-cylinder comfort you can choose between two models: the ML 280 CDI generates 140 kW (190 hp) at a maximum torque of 440 Nm and provides a top speed of 205 km/h. The ML 320 CDI has an output of 165 kW (224 PS) at a maximum torque of 510 Nm. Its top speed: 215 km/h.
The ML 420 CDI is powered by a V8 diesel engine. Its distinguishing features are exceptionally precise fuel injection times which ensure that fuel is used in an optimum manner. With a power rating of 225 kW (306 hp) and a peak torque rating of 700 Nm, this unit delivers a combination of fuel economy and sports performance.
(ML 280 CDI: fuel consumption combined: 9.4–9.6 l/100 km, CO2 emissions combined: 249–254 g/km; ML 320 CDI: fuel consumption combined: 9.4–9.6 l/100 km, CO2 emissions combined: 249–254 g/km; ML 420 CDI: fuel consumption combined: 11.1–11.3 l/100 km, CO2 emissions combined: 294–299 g/km)[1]