Mercedes-Benz M 139
| Mercedes-AMG | |
|---|---|
|
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| M 139 | |
| Manufacturer: | Mercedes Benz |
| Production period: | From autumn 2019 |
| Working principle: | Otto |
| Design: | Inline four-cylinder |
| Engines: | 2.0 liters (1991 cm³) |
| Previous model: | M 133 |
| Successor: | none |
The M 139 is a four- cylinder in-line petrol engine from Mercedes-AMG , the fourth generation of the compact class from Mercedes-Benz will be available on the market from autumn 2019 .
In the A-Class (W 177) it is offered as the A 45 4MATIC + (285 kW / 387 PS) and as the A 45 S 4MATIC + (310 kW / 421 PS). Like its predecessor M 133, the engine block is built in a closed deck design . As with its predecessor, the crankshaft is forged from steel. The engine uses combined direct and manifold injection, the latter being the second stage, and a turbocharger with two flow channels, which is also cooled with water and oil. Its boost pressure is 2.1 bar. A roller bearing was chosen for low friction . The motor is water-cooled by an electric pump that works independently of the motor speed.
With a displacement of 155 kW / l, it will be the most powerful series-produced four-cylinder engine that has been installed ex works in a car model approved for public traffic.
Individual evidence
- ↑ The most powerful four-cylinder turbo in the world. Auto Motor Sport, accessed July 17, 2019 .