6.3 Amg -

The original 300 SEL 6.3 was a "sleeper" sedan that combined a luxury chassis with the massive 6.3L M100 V8 from the 600 limousine.

The latest C63 AMG models have moved toward a 2.0-litre 4-cylinder hybrid setup, still carrying the "63" name as a performance designation rather than a reference to displacement. 6.3 AMG

Most modern 63 models use a 4.0-litre V8 Biturbo engine (M177/M178), producing significantly more power than the older naturally aspirated versions. The original 300 SEL 6

It was the fastest production four-door sedan of its era, influencing the creation of future AMG performance models. The Modern Icon: M156 6.2L V8 6.3 AMG