Beyond the visual and interior updates, the switch to a flat-plane crankshaft V8 engine will certainly help the S 63's appeal ...
The late-model horsepower wars are full tilt, with manufacturers trying to one up each other and create a car that truly stands out in the horsepower arena. What was once considered to be an exotic ...
Engine discussions are not always limited to displacement, cylinder count, and horsepower. Sometimes discussions focus around the crankshaft debate, specifically cross-plane versus flat-plane.