Mercedes-Benz AMG A45 S — vehicle data
- Model year
- 2026
- Power
- 421 hp
- 0-100 km/h
- 4.1 s
- Top speed
- 270 km/h
Figures are manufacturer or measured values as referenced in the video and our research.
Acceleration Performance of the 2026 AMG A45s
Hello folks, how are you doing? We have the 2026 Mercedes-AMG A45s here for a full Autobahn acceleration run.
The 2026 Mercedes-AMG A45s is powered by a 2.0L turbocharged inline-4 engine that delivers a robust 421 HP and 500 Nm of torque. This facelifted version is significant as it marks the last petrol variant before AMG transitions fully to electric models. I was excited to see how this car performs, especially after experiencing the previous generation.
During the acceleration runs, the A45s truly impressed me. The first run from 0 to 100 km/h clocked in at 4.1 seconds. The car launches well, but I noticed a slight delay when lifting off the brake, which could account for a tenth or two in the time. It feels like the transmission is quick to respond, but there’s a brief moment before it fully engages.
Moving on to the 100-200 km/h run, the A45s managed to achieve this in 9.6 seconds. This is a solid performance that showcases how effectively the car utilizes its power. The instant pull from the turbo is remarkable, and it feels quicker than some competitors like the BMW M2 and Audi RS3, which I initially thought would outperform it.
The 8-speed dual-clutch transmission is a highlight. It shifts smoothly and quickly, making the driving experience engaging. Compared to the Audi S-Tronic or the BMW's automatic, the AMG gearbox stands out as the best in its class. The car's handling dynamics, combined with the AMG Dynamic Pack, enhance its sporty feel. I never expected to find this car more engaging than its rivals, but it certainly surprised me.
As I pushed the A45s on the Autobahn, the sound of the engine and exhaust added to the thrill. The car feels planted at high speeds, and the aerodynamic elements, including the aero kit and rear wing, contribute to its stability. Even with these additions, the car performs exceptionally well. It’s clear that this model has been designed for enthusiasts who appreciate both performance and driving engagement.
Overall, the 2026 AMG A45s is a fitting farewell to the petrol-powered A45 lineup. It delivers impressive acceleration, a responsive transmission, and a driving experience that rivals more powerful competitors. I’m looking forward to seeing how this car ages as it breaks in further, but for now, it stands as a fantastic example of what AMG can achieve with a four-cylinder engine.
