Now, this is cool. You've likely seen the Mercedes-Benz diesels of the 1980s and 1990s chugging along somewhere or other. But how much better are today's clean diesels than the solid old oil-burners ...

Ever daydream about a bizarre engine swap? So do Mercedes-Benz engineers, apparently, as they've managed to stuff the 2.2-liter turbo-diesel I-4 from a new 2010 C250 CDI into a 1992 190E 2.6.

While in their down time the boys over at AMG might try and stuff a a 6.2-liter V8 in a SMART car, a particular group of diesel-crazy engineers at Mercedes decided to fit a modern diesel engine into a ...

This black Mercedes 190 is far from the first Mercedes-Benz diesel car converted to run on used cooking oil--but it's probably the first to get its own rap song. This (NSFW) rap video was created by a ...

For sale right now in Colorado is a bearded, flannel-wearing millennial's dream: a vintage Mercedes Benz 190 diesel that solves the problem of high rent with a built-in camper. It's actually a really ...

Anyone can drop Acura engine into a Honda Civic, a Subaru STi mill into a Porsche 914 or a small-block Chevy into a Datsun 240Z. It takes real nuttiness to stuff a brand-new Mercedes C-Class diesel ...