Photo: Daimler AG
Internally codenamed M133, the turbocharged, two-liter four-cylinder engine in the A 45, CLA 45 and GLA 45 AMG is one of the most talked about powerplants in recent years, especially when it comes to its undoubtable qualities.
We are of course talking about the most obvious features that this tiny engine possesses, such as the fact that it offers no less 181 hp per liter of cylinder displacement, or the fact that it is currently the most powerful four-cylinder engine in production.
The 360 hp and 450 Nm (332 lb ft) of torque that it manages to deliver are more than able to pull the three aforementioned AMG models from naught to 100 km/h (62 mph) in just 4.6 seconds – or 4.8 seconds when talking about the GLA 45 AMG crossover/SUV.
Believe it or not, those figures would most likely be similar in the much larger Mercedes-Benz C-Class W205 mostly thanks to the intensive use of aluminium in its body, which makes it even lighter than a smaller GLA with a similar powerplant.
Whether this line of thought means that the M133 might also end up in a C-Class at some point, remains to be seen, but AMG boss Tobias Moers doesn't seem to think that the bonkers four-cylinder should be exclusively reserved for cars built on the MFA (Modular Front Architecture).
Speaking with What Car? about the possibility of the M133 powering larger cars, he said: “It’s probably something we should consider. We haven’t decided anything but in my own mind, as an engineer, I think it could be an interesting solution to have a high-powered four-cylinder petrol engine in a car that’s not a compact - maybe even a saloon. There are markets in the world where engine size affects taxes, and this could be an interesting technical answer to that.”
Obviously, we won't see a C 45 AMG any time soon, especially since the C 450 Sport is coming next year and the M133 would need a bit of recalibration since it will need to be turned longitudinally and paired with another type of transmission.
The 360 hp and 450 Nm (332 lb ft) of torque that it manages to deliver are more than able to pull the three aforementioned AMG models from naught to 100 km/h (62 mph) in just 4.6 seconds – or 4.8 seconds when talking about the GLA 45 AMG crossover/SUV.
Believe it or not, those figures would most likely be similar in the much larger Mercedes-Benz C-Class W205 mostly thanks to the intensive use of aluminium in its body, which makes it even lighter than a smaller GLA with a similar powerplant.
Whether this line of thought means that the M133 might also end up in a C-Class at some point, remains to be seen, but AMG boss Tobias Moers doesn't seem to think that the bonkers four-cylinder should be exclusively reserved for cars built on the MFA (Modular Front Architecture).
Speaking with What Car? about the possibility of the M133 powering larger cars, he said: “It’s probably something we should consider. We haven’t decided anything but in my own mind, as an engineer, I think it could be an interesting solution to have a high-powered four-cylinder petrol engine in a car that’s not a compact - maybe even a saloon. There are markets in the world where engine size affects taxes, and this could be an interesting technical answer to that.”
Obviously, we won't see a C 45 AMG any time soon, especially since the C 450 Sport is coming next year and the M133 would need a bit of recalibration since it will need to be turned longitudinally and paired with another type of transmission.
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