Mercedes-AMG A 45 W177
The world's most powerful series-production four-cylinder hot hatchback.
- Power
- 421 bhp
- 0–60 mph
- 3.7 s
- Top speed
- 168 mph
About the Mercedes-AMG A 45 W177
The W177-generation A 45 S redefined the hot hatchback segment upon its 2019 debut, featuring the M139 engine—the most powerful series-production 2.0-litre four-cylinder ever made. Unlike its predecessor, the engine is rotated 180 degrees to improve packaging and airflow, paired with a sophisticated 4MATIC+ all-wheel-drive system. This system includes AMG Torque Control, which uses two electronically controlled multi-disc clutches on the rear axle to enable a dedicated 'Drift Mode'. It delivers supercar-rivalling acceleration and a chassis tuned for extreme agility, bridging the gap between traditional hatchbacks and dedicated sports cars.
Mercedes-AMG A 45 W177 specs
The Mercedes-AMG A 45 W177 produces 421 bhp (314 kW) and 500 Nm (369 lb-ft) of torque. It reaches 60 mph in 3.7 seconds and has a top speed of 168 mph (270 km/h).
| Make | Mercedes-AMG |
|---|---|
| Model | A 45 |
| Generation | W177 |
| Trim | A 45 S 4MATIC+ |
| Years | 2019–present |
| Type | Hatchback |
| Body style | Hatchback |
| Country | Germany |
| Engine | 2.0-litre turbocharged inline-4 |
|---|---|
| Displacement | 1,991 cc (2.0 litres) |
| Induction | Turbocharged |
| Power | 421 bhp (314 kW) at 6,750 rpm |
| Torque | 500 Nm (369 lb-ft) |
| Redline | 7,200 rpm |
| 0–60 mph | 3.7 s |
| Top speed | 168 mph (270 km/h) |
| Transmission | 8-speed dual-clutch |
| Drivetrain | All-wheel drive |
| Weight | 1,635 kg (3,605 lb) |
| Power-to-weight | 257 bhp per tonne |
Typical figures for the standard car; options, markets and model years vary. Where our specs come from
Mercedes-AMG A 45 W177 rarity in CarSpot
The Mercedes-AMG A 45 W177 is an Uncommon card in CarSpot, with a rarity score of 37 out of 100. Hot hatches and premium sporty cars. An Uncommon card is worth 20 XP.
Each model's tier starts from a 0–100 score based on its value plus its power or production numbers. Once enough players have spotted a model, how often it is spotted can move it up or down one tier. How CarSpot rarity works
Rarity is a collectible game mechanic, not an assessment of real-world scarcity or value.
Mercedes-AMG A 45 W177 fun facts
- The M139 engine is the first four-cylinder from AMG to be built according to the 'One Man, One Engine' philosophy in Affalterbach.
- Its turbocharger and exhaust manifold are positioned at the rear, next to the firewall, allowing for a flatter, more aerodynamic front-end design.
- With 211 hp per litre, the A 45 S has a higher specific output than many contemporary supercars, including the Bugatti Chiron.
