Nops.. I think its not GLC, its GLE as spotted by OP..
GLC have different type Of hatch door and glass angle. Also GLC is smaller and lower. GLC will be the new name of currently available GLK. The Blue image you posted is a 2013 rendered Image of the upcoming GLC but the actual prototype is different is can be seen in the link 2016 Mercedes-Benz GLK-Class (GLC) Spy Shots, Gallery 1 - MotorAuthority
The camouflaged spotted by the OP is 4 door coupe GLE which will compete against BMW X6. There will be a GLE 63 AMG as well which is the souped up version of GLE and will go neck to neck against BMW X6M .Here are the details on the GLE/ GLE63 AMG (quad exhausts). https://www.pakwheels.com/forums/cool-classic-cars-latest/245384-mercedes-benz-gle-coupe. The same license plate as spotted by OP can be seen in one of the image on the link i shared.
.