Built on the "One Man, One Engine" principle, where a single technician hand-assembles and signs the engine plate. Evolution of the "63" Badge
It delivered approximately 250 hp and 500 Nm of torque, reaching 0–100 km/h in 6.5 seconds. 6.3 AMG
Mercedes Admits It 'Lost Some Customers' After Dropping V-8 in C63 Built on the "One Man, One Engine" principle,
The badge represents a legendary chapter in Mercedes-Benz history, serving as both a tribute to the brand's first V8 production sedan—the 300 SEL 6.3 —and a label for the modern, high-performance "63" series. While modern 63 models often use smaller turbocharged engines, enthusiasts primarily associate the "6.3" lettering with the M156 6.2-litre naturally aspirated V8 , the first engine developed entirely in-house by AMG. The Heritage: 300 SEL 6.3 (1968–1972) While modern 63 models often use smaller turbocharged
Introduced around 2007, this engine is often called "the 6.3" despite its actual displacement. It is celebrated for its raw, muscle-car character and distinctive, aggressive exhaust note.
Most modern 63 models use a 4.0-litre V8 Biturbo engine (M177/M178), producing significantly more power than the older naturally aspirated versions.