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 ...

During the 1980s, one of the major objections to compression-ignition engines was noise. Sooty smoke and that peculiar exhaust aroma - call it eau de diesel - were also problems, but it was the noise ...

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 ...