Spy shots of the 2013 Mercedes S-Class reveal more details than before – the car shows more of its elegant lines and visible in the pictures are the first clear view of the car’s air-intakes in the front which seem to hint to a new, more modern design language. ENGINE VARIATIONSUnder the bonnet we can expect Mercedes to introduce the new “MoVe” (modular V6 and V8 ) engines. While details are limited, the engine will feature direct injection and turbochargers. As previewed by the Vision S 500 plug-in hybrid concept, Mercedes will offer an S-class plug-in hybrid that will accelerate from 0-100 km/h in less than six seconds while averaging around 3.3litres/100km.Image galleryOn the performance side, the 6.3-litre V8 from the S63 AMG will be replaced by a twin-turbo 5.5 V8. Despite this glimmer of good news, the V12 from the S600 / S65 AMG may be discontinued.The new facia will be a high-tech instrument panel with two wide LCD or plasma displays, one of which is replacing the conventional analogue instruments while the other is a multifunctional touch screen to control climate, sat nav, entertainment and communication systems.