A refreshed version of the GLK has just been revealed by Mercedes-Benz, ahead of…

A refreshed version of the GLK has just been revealed by Mercedes-Benz, ahead of the SUV’s debut at the New York Auto Show in April. Set to hit showrooms as a 2013 MY this August, the three-year-old car gets a reworked naturally-aspirated 3.5-liter V6 that packs an additional 34hp and 15lb-ft of torque, giving the GLK350 302hp and 273lb-ft to play with. A choice of FWD and 4Matic 4WD is still on offer, as well as a clean-diesel engine that will also be offered for the first time in the U.S. …