Mercedes-Benz A45 AMG (W176)
Specifications
Overview
| Country of origin | DE |
|---|---|
| Fuel type | Petrol |
| Drivetrain | AWD |
| Production years | 2013-2018 |
| Chassis code | W176 |
| Gearbox | 7-speed dual-clutch automatic |
| Insurance group | 43 |
Performance
| Power | 360 PS |
|---|---|
| Torque | 450 Nm |
| Kerb weight | 1480 kg |
| Power-to-weight | 239.9 bhp/tonne |
| 0-62 mph | 4.5 sec |
| Top speed | 155 mph |
Powertrain
| Engine | 2.0-litre |
|---|---|
| Cylinders | 4 |
| Induction type | Turbocharged |
Running Costs
| Combined MPG | 40 mpg |
|---|---|
| CO2 | 161 g/km |
The Mercedes-Benz A45 AMG W176 arrived in 2013 as a very different kind of hot hatch: not just a faster A-Class, but AMG’s first serious move into the compact performance class. Its headline was the hand-built M133 2.0-litre turbocharged four-cylinder, producing 265 kW / 360 PS / 355 bhp and 450 Nm, sent through a dual-clutch gearbox and standard AMG 4MATIC all-wheel drive. Mercedes quoted 0–100 km/h in 4.6 seconds and a limited 155 mph top speed, which put it well beyond traditional Golf GTI territory and into what reviewers soon started calling the “mega-hatch” class.
Its market impact was significant because it helped normalise the idea of a premium, all-wheel-drive, 350bhp-plus hatchback. Before the A45, AMG was still associated mainly with big-displacement saloons, coupés, and estates; the W176 made the badge accessible to younger buyers and showed that a compact Mercedes could credibly wear full AMG branding. RAC’s used review notes that Mercedes had never previously built a hot hatch or applied AMG treatment to such a small four-cylinder car, while Autocar later described the first A45 as potent enough that “a new hot hatch classification was needed.”
In period, its natural rivals were the BMW M135i, Audi S3, Volkswagen Golf R, and, depending on timing and market, the Audi RS3. The Mercedes had less engine character than the BMW’s six-cylinder and less everyday polish than some VW Group rivals, but it hit harder on numbers: WhichCar’s comparison placed the 360bhp A45 against the 300bhp Audi S3 and 320bhp BMW M135i, and concluded that the Mercedes felt the most aggressive and special, despite a firm ride and some gearbox frustrations. Auto Express made a similar point, calling it blisteringly quick and noting that it cost substantially more than the more involving M135i, but that its straight-line performance was the dominant part of its appeal.
The A45 was not universally loved as a driver’s car. It was ruthlessly fast, grippy, and confidence-inspiring, but the experience was more about boost, traction, and point-to-point pace than delicacy. The steering and chassis were sharper than a regular A-Class, but the car’s firm suspension, front-biased AWD behaviour, and sometimes hesitant dual-clutch gearbox meant it could feel a little hard-edged compared with a rear-drive M135i or a lighter front-drive hot hatch. That said, this was exactly why it mattered: it shifted expectations. After the A45, a premium hot hatch could no longer get away with being merely “quick”; it had to feel borderline supercar-fast in ordinary road conditions.
Reliability reports are mixed rather than catastrophic, but the car’s complexity and very high specific output mean buyers need to be careful. Autocar’s 2025 used reliability guide says the A45 has proved “surprisingly reliable” for something so powerful per litre, but flags several known issues: early 2014 cars had reported turbo oil-feed/anti-surge valve problems, gearbox crunching or jerky downshifts, coolant leaks from water pump or thermostat housing failures, air-conditioning compressor faults, infotainment glitches, worn seat bolsters, and possible water ingress into the rear footwells. It also warns that remapped cars can place extra strain on the engine and gearbox, so service history and evidence of recall work are important.
Overall, the W176 A45 AMG was a landmark hot hatch: expensive, intense, and not especially subtle, but genuinely influential. It helped create the modern 4WD hyper-hatch template later occupied by cars like the facelifted A45, Audi RS3, Golf R, and Focus RS. A good, standard, well-maintained example still feels brutally fast today; a neglected or heavily tuned one can be a very expensive way into AMG ownership.