Mercedes-AMG Will Replace 5.5-liter V8 with Cleaner 4-liter in 2016

2016 will be the last year when a new model from Mercedes-AMG will come out using its ubiquitous 5.5-liter V8 twin-turbo mill. The last car to use it will be the S-Class Convertible in AMG guise according to Autocar and everything else coming later on will be using the new 4-liter biturbo engine introduced on the AMG GT and upcoming C63 Coupe model.
Mercedes-Benz M157 engine 1 photo
Photo: mercedes-benz
The most recent car that was launched using this engine is the new GLE63 S Coupe that was unveiled for the first time at the 2015 Detroit Auto Show. Coupled with the 2016 launch of the aforementioned S-Class Convertible it would appear that the M157 engine will run out of production somewhere after the end of this decade.

However, despite the fact that this mill was praised for its power, throttle response and especially for the sound it makes, Mercedes claims that the new 4-liter can provide even better numbers in the performance department. Furthermore, the fuel consumption figures and the CO2 emission levels would be showing huge improvements.

At the moment, the most powerful M157 makes 585 HP and 800 Nm (590 lb-ft) of torque and is fitted on various S versions of popular AMG cars. At the same time, the 4-liter V8 introduced on the AMG GT model taps out at 510 HP and 650 Nm (479 lb-ft) of torque but there’s a lot more room for improvement.

Just looking at the M133 plant inside the A45 AMG for example, tells us how potent an engine made by the Affalterbach team can be. They managed to squeeze 360 HP from a 2-liter and rumors are they are going to try and get even more out of it to face the new Audi RS3 that has a 2.5-liter inline 5-cylinder mill making 367 HP. Things are heating up in the forced induction game.
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