MANDEL: I remember waiting for a glow plug light to go out on the dash of the 300D Mercedes, signaling the all-clear to fire the car. With this new E320 diesel, it’s one quick motion. As the starting ...

Well Toto, we’re not in a Kenworth anymore. In fact, there’s never been a diesel quite like this one. In an automotive first, Mercedes began producing passenger diesels in 1936, three years before the ...

Fans of diesel automobiles generally fall into one of two categories: the pragmatists, who admire such cars for their efficiency, durability, and grunt; and the iconoclasts, who get off on the oil ...

Fortunately, those days are long gone. As we all know, the modern diesel engine is a high-tech masterpiece that is enjoying a runaway resurgence in the mainstream. Due to some impressive engineering ...