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.
Featured in the C63 AMG (W204) , E63 AMG (W212) , and early SLS AMG variants. 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 latest C63 AMG models have moved toward a 2
Mercedes Admits It 'Lost Some Customers' After Dropping V-8 in C63 E63 AMG (W212)
Following the naturally aspirated era, Mercedes-AMG transitioned to smaller, forced-induction engines while retaining the iconic "63" badge to signify top-tier performance.