Yesterday Mercedes had a 'filming day' on Silverstone. I believe, it's a proper moment to start actual car thread. So here it is.
Here's the article: http://www.autosport.com/news/report.php/id/97553
And the spyshots:
(click image for higher resolution)
(click image for higher resolution)
We can see, it has step nose in the fashion of F2012 (straight transition rather than V-profiled transition, most teams have) and air inlet on top of the bulkhead similar to MP4/26 and to F2012. At first glance sidepods are looking smaller than those of W02. And of course Schumacher was driving the car.
EDIT: For adding another picture.