Filed under: Sedan , Performance , Technology , Mercedes-Benz , Luxury 2011 Mercedes-Benz S63 showcar – Click above for image gallery We’re here in Affalterbach, Germany this morning for a Mercedes-Benz AMG tech day ahead of the Geneva Motor Show , and while we have yet to get a tour of the facilities, we already have some news – the 2011 S63 AMG will receive the company’s all-new 5.5-liter bi-turbo V8 engine, as well as the SpeedShift MCT seven-speed gearbox already on offer in the E63 and SL63 . Even though it’s down on displacement compared to the outgoing 6.2-liter engine , the M 157 generates more power (544 horsepower in ‘standard’ mode, 571 with the optional performance package) and more torque (586 pound-feet or 660 lb-ft. with the optional performance pack).

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2011 Mercedes-Benz S63 gets smaller but more powerful 5.5-liter biturbo V8