Mad scientists at Mercedes stuffed G-Wagen portal axles under an E-Class sedan. No plans for production, but who knows? Lots of photos here.
http://www.autoexpress.co.uk/mercedes/e-class/100183/new-mercedes-e-class-all-terrain-4x4x2-review
http://www.autoexpress.co.uk/mercedes/e-class/100183/new-mercedes-e-class-all-terrain-4x4x2-review