Full story: http://www.autoexpress.co.uk/motorshows/frankfurt-motor-show/272389/mercedes_f125_revealed.html#ixzz1Y1bU1wkF
Most manufacturers are using this week's Frankfurt Motor Show to introduce concepts previewing models a couple of years down the line. But Mercedes is looking a little further ahead with the F125 -- a concept that points to the S-Class of 2025.