Mercedes-AMG GLA 45 S 2021 Review Mercedes-AMG GLA 45 S 2021 Review January 28, 2021 17 / 20 Mercedes-AMG GLA 45 S 4MATIC+ Local Launch Melbourne, Victoria The 2021 Mercedes-AMG GLA 45 S 4MATIC+ is the second generation of Mercedes’ performance-bred small SUV. It’s now dimensionally larger and with increased power this anything-but-humble SUV lays claim to the world’s most powerful four-cylinder turbocharged production engine. And if that alone doesn’t light a fire in your pragmatic belly, then maybe it’s just not for you. Priced from $107,035 plus on-road costs, AMG cred strikes again. Bigger. Bolder. Priced accordingly… The second-gen Mercedes-AMG GLA 45 S 4MATIC+ arrives Down Under bigger, bolder and better than before with astonishing performance as the headline act.