The second generation of the Mercedes-Benz GLK has been spied once again, ahead of what will be a 2015 market arrival.

The second generation of the Mercedes-Benz GLK has been spied once again, ahead of what will be a 2015 market arrival.

It's quite obvious the new GLK will grow in size to distance itself from the recently introduced GLA compact crossover. The prototype seen in these spy photos has a slightly longer wheelbase and wider tracks, while the hood has been stretched. In addition, we also notice the front axle will be pushed forward to make room for the elongated wheelbase.

We can't say a lot about the design since the prototypes spotted so far in spy pics were all dressed in lots of camouflage, but overall it seems the car will adopt a sportier appearance and a more sloped roofline towards the rear for a more coupe-like silhouette. We should mention the rear window these prototypes have is one of those temporary ones to confuse untrained eyes.

The new GLK will be based on the next-gen C-Class and will be available in a right-hand drive arrangement. Powering the vehicle will be a newly developed 1.8-liter 4-cylinder turbocharged engine inside the GLK 250 and a 2.1-liter 4-cylinder diesel under the hood of the GLK 250 BlueTEC. The more powerful GLK 350 will utilize a V6 motor which could be topped by a possible AMG version which hasn't been confirmed so far.

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