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Mercedes-Benz M-Class And GL-Class Get New Twin-Turbo V6 Engines From 2015

Now that news of a more powerful variant of the Mercedes-Benz C-Class is to complete the engine lineup of the model in 2015 in the form of the C 450 Sport, some people are probably wondering what the fuss is with that powerplant.
Mercedes-Benz GL 450 (X166) 1 photo
Photo: MB USA - edited by autoevolution
Fret no more, as the 367 hp V6 mill is set to arrive under the hood of at least another Mercedes-Benz model, with the 2015 GL 450 for the US market to be the first one.

According to the folk at MB Passion, who are only rarely wrong, the US-only Mercedes-Benz GL 450 will switch from a 4.7-liter twin-turbocharged V8 to the three-liter twin-turbocharged V6 in the upcoming C 450 Sport.

While at first it may sound like a downgrade, keep in mind that both the power and torque figures of the GL 450 will remain the same: 367 hp and 550 Nm (406 lb ft) of torque. This, despite the fact that the new engine has two cylinders and 1.7-liter displacement less than the V8 it replaces in the lineup.

As expected, the fuel economy will drastically improve with the new engine, but no official numbers have been announced at this time.

Internally codenamed M276 DELA 30, the 333 hp and 480 Nm (354 lb ft) of torque version of the aforementioned engine can already be found under the hood of the Mercedes-Benz E 400, the newly-released SL 400 Roadster and the upcoming C 400.

These aren't the only models where the twin-turbocharged three-liter V6 replaces the old naturally-aspirated 3.5-liter V6 though, as the M-Class is about to receive it as well, with the ML 350 to become the ML 400 starting with the MY2015 models.

On top of it, we are also expecting the Mercedes-Benz SLK 350 Roadster to become the SLK 400 in a few months, with most of these engines to be paired with the new hyper-efficient 9G-Tronic transmission.
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About the author: Alex Oagana
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Alex handled his first real steering wheel at the age of five (on a field) and started practicing "Scandinavian Flicks" at 14 (on non-public gravel roads). Following his time at the University of Journalism, he landed his first real job at the local franchise of Top Gear magazine a few years before Mircea (Panait). Not long after, Alex entered the New Media realm with the autoevolution.com project.
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