Mercedes C63 AMG Coupe Black Series Designo vs Manhart Racing BMW M5 MH5 S

Mercedes C63 AMG Coupe Black Series Designo (stock) vs Manhart Racing BMW M5 MH5 S MHR Stage 4 Performance Kit (approx. 700hp, 860Nm) MHR Software Remapping MHR Downpipes, semi-catted MHR Axleback Exhaust without valve control Carbon Fiber Air Intake System MHR Performance Box Vmax increase (requires M-Drivers Package - not included)