The most robust, bad-ass inline 6 cylinder engine Mercedes-Benz has ever built. For a chunk of money can be enhanced to a twin turbo boost monster or a screaming 10,000 RPM rev demon.
My 1989 Mercedes-Benz is powered by The Mercedes-Benz M103 engine, has 200,000 miles on it and I still think I will die before it does.
by RTiberiusB April 09, 2010
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