Jelaskan GLA 45 AMG dari Mercedes-Benz Kelas-GLA

The design of GLA 45 AMG is based on Concept GLA 45 AMG, with AMG sports suspension (MacPherson strut front axle with stiffer steering knuckles, four-link rear axle, optimised elastokinematics, specially tuned spring/damper units, bigger anti-roll bars), electromechanical AMG speed-sensitive sports steering, AMG high-performance braking system (ventilated, cross-drilled brake discs with grey- or red-painted brake calipers), 3-stage ESP with "SPORT Handling" mode, ESP Curve Dynamic Assist, 5-twin-spoke AMG light-alloy wheels painted titanium grey with high-sheen finish and 235/45 R19 tyres (optional 10-spoke AMG light-alloy wheels in 2 a choice of 2 colours (titanium grey with high-sheen finish, matt black with high-sheen rim flange) 235/40 R 20 tyres), AMG front apron with front splitter in matt titanium grey, AMG 'twin blade' radiator grille in matt titanium grey, black flics (air deflector elements) above the large exterior cooling air intakes, bi-xenon headlamps, side sill panels with titanium grey inserts, 'TURBO AMG' lettering on the front wings and the aluminium roof rails, rear diffuser insert with titanium grey trim, rectangular chrome-plated tailpipe trim at the twin tailpipes.

Launch models of the AMG are sold as "Edition 1", available for one year from market launch, and include a high-gloss black Aerodynamics package with larger front splitter, additional flics in the front apron, and rear aerofoil. The vehicle was unveiled at the 2014 North American International Auto Show with sales from the summer of 2014.