Improvise, Adapt, Overcome.

Not quite a hatchback or a wagon or a traditional SUV, the GLA-class didn't fit into any existing market category when it debuted for 2015. The new GLA's shape hews closely to its predecessor's, but Mercedes smoothed the body panels, eliminating the first gen's sharp cutlines. Mercedes offers the transverse-engine GLA with an all-wheel-drive system that primarily relies on the front wheels but sends enough torque to the rear axle to improve acceleration in slippery conditions. [Extracted from the article]