Mercedes-AMG pulled out all the stops for this car its got its hand built 2.0-litre, twin-scroll turbocharged engine tuned to 421PS/500Nm, making it the worlds most powerful production 4-cylinder engine and its Indias fastest, quickest and hottest hatchback yet, with a 0-100kmph run in just 3.9s! A quick drive in the 2021 Mercedes-AMG A 45 S 4Matic+ at the NATRAX high speed track shows us its all of those superlatives, and more.