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.

Mercedes-Benz doesn't usually wind up on top in fuel economy - unless the Mercedes you're looking at has a turbodiesel engine. Mercedes officials have been adding their fuel-thrifty, new-generation, 3 ...

With the holidays fast approaching, my wife, daughter, and I departed sunny Los Angeles for the frozen tundra and tenebrous skies of southeastern Michigan. On purpose. Awaiting us in Ann Arbor were my ...

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 ...

With light-duty diesels barely a blip on U.S. sales charts today, it’s hard to believe we will ever embrace oil burners as daily drivers. Still, gasoline prices are near record highs, and new ...

So, what’s more efficient – a diesel or a hybrid? The German magazine Auto Bild drove the Mercedes ML 320 diesel and the Lexus RX400h from New York to San Francisco to find out which one was the ...