BlueEFFICIENCY includes a series of efficiency-enhancing ideas, such as intelligent energy management, improved aerodynamics, tyres with low rolling resistance and in-engine measures. The vehicles consume less fuel but do not compromise on performance, safety or comfort.

The dynamic V6 diesel engine for the GL 350 CDI 4MATIC BlueEFFICIENCY delivers a full 165 kW (224 hp) power output with a maximum torque rating of 510 Nm in the engine speed range 1600 to 2800 rpm.

Implementing BlueTEC catalytic converter technology (an exhaust system operating in several stages), the GL 350 BlueTEC 4MATIC combines an impressive 155 kW (211 hp) output and maximum 540 Nm torque rating with economical consumption and low emissions. In the first stage, carbon monoxide, hydrocarbons and particulate emissions are reduced by a combination of oxidation catalytic converter and particulate filter. All that remains are water vapour, carbon dioxide and nitrogen oxides. AdBlue®™ then comes into play: the fluid is injected into the exhaust system where, under the effect of the exhaust gas heat, ammonia is formed. This ammonia then reduces the nitrogen oxides in the downstream SCR catalytic converter by eighty per cent. Essentially, all that remains is water, nitrogen and carbon dioxide (CO2) – the end product of complete combustion.

In short, BlueTEC is the world's cleanest diesel.

The GL 450 CDI 4MATIC is powered by a V8 diesel engine with four-valve technology and common-rail direct injection. 225 kW (306 hp) output and a maximum torque rating of 700 Nm ensure sporty performance combined with attractive fuel consumption.


(GL 350 CDI 4MATIC BlueEFFICIENCY: fuel consumption combined: 9.3–9.6 l/100 km, CO2 emissions comb.: 244–253 g/km; GL 350 BlueTEC 4MATIC: fuel consumption combined: 9.0 l/100 km, CO2 emissions combined: 239 g/km; GL 450 CDI 4MATIC: fuel consumption combined: 11.6–11.8 l/100 km, CO2 emissions combined: 307–313 g/km)[2], [3]