More so than most auto manufacturers, Mercedes-Benz has been committed to diesel engines, which are inherently more fuel-efficient and often deliver more torque than their gasoline counterparts.

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With Bluetec diesel variants of its luxury SUVs available, Mercedes-Benz says diesels are now environmentally as clean as gasoline engines, while providing the big torque Americans love, with greater ...

Get an in-depth review of the 2009 M-Class Base ML 320 BlueTEC 4dr All-Wheel Drive 4MATIC from the Autoblog editorial team and help decide if this Mercedes-Benz is right for you.

Oxides of nitrogen, or NOx, have always been a particularly sharp thorn in the diesel's side. As the compression ratio rises — and ' BlueTEC V-6 turbodiesels squish air at an impressive 16.5:1 ratio — ...

We may earn a commission from links on this page. The 2009 Mercedes ML320 BlueTEC is certainly a comfortable ride, but would you feel comfortable with one in your driveway?

It was 70-years ago that German automaker Mercedes-Benz first used the combustion principle pioneered by Rudolf Diesel in a passenger car engine. Today, Mercedes escorts the next-generation of diesel ...

Now that the petroleum industry has cleaned up its act, the auto industry has, too. The petrol folks are producing diesel fuel with 97 percent less noxious sulfur so diesel-powered vehicles run ...

I refuse to go down the path of juvenile humor simply because the magic ingredient in Mercedes-Benz’s new California-legal diesels, such as the ML320 CDI, is urea -- which also happens to be the magic ...

More so than most auto manufacturers, Mercedes-Benz has been committed to diesel engines, which are inherently more fuel-efficient and often deliver more torque than their gasoline counterparts.