high-performance small car has been spied undergoing testing at the
. While the high-performance version of Mercedes’ upcoming baby SUV isn’t due
out for another year or so, the GLA is rumored to be making an appearance in
concept form at next week’s Shanghai Auto Show before its formal reveal at the
2013 Frankfurt Motor Show in September. Powering the
GLA45 AMG is the Affalterbach tuner’s 2.0-liter turbo four that first debuted
in the A45 AMG and later in the CLA45 AMG.