Spy screenshot of the 2014 Merecedes-Benz S65 AMG

Hot on the heels of a video showing Mercedes-Benz testing its 2014 S65 AMG sedan around the Nürburgring, here's yet another glimpse of the German automaker's luxury flagship sedan, which is set to go on sale in March of 2014. Though the new S65 AMG won't be officially unveiled until this November's LA Auto Show, eagle-eyed Gnepiah caught it naked on camera during a recent commercial shoot in the Netherlands.

The video shows a few exterior modifications as compared to the outgoing model, including more chrome on the front grille, shiny mesh on the front bumper, and new multi-spoke alloy wheels. But the most exciting change is one we can't see: the S65 AMG's 6.0-liter twin-turbo V12 engine, which is expected to produce more than the current model's 621 horsepower and will certainly make for a quicker ride (as we previously noted, we could be looking at a run as quick as 3.6 seconds).

Watch the video below to see the new S65 AMG for yourself – and don't miss the cameo of the 2014 S63 AMG at the end.