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The performance of the Mercedes-AMG C63 SE 2023 is now around 200 hp more

By on September 22, 2022 0

While automakers often focus on one major change every year, Mercedes seems to have skipped three with the all-new Mercedes-AMG C63 SE Performance 2023. Available in sedan and wagon form (only the former might come to India) , the updated AMG ditches its V8 prowess for greener means. But is it less mean? Short answer, no.

For the long answer, let’s open the hood. The first thing you’ll notice here is the absence of the V8 engine like its predecessor. It is now replaced by an M139l engine (l stands for longitudinal installation), also seen on the C43 and SL43. But unlike those two, this unit is designed to be the most powerful production four-cylinder engine in the world.

Yes, the displacement amounts to only 2.0 liters, with only four cylinders. But it alone produces 476 hp of power and 545 Nm of torque. This is more than other M139l-equipped cars, such as the A45 S.

Okay, so how was this achieved? The folks at Mercedes took their learnings from Formula 1 (hopefully last year) and incorporated something called an “electric exhaust turbocharger”, which is exactly what it sounds like. An electric motor is placed directly on the shaft of the turbocharger, between the turbine wheel on the exhaust side and the compressor wheel on the intake side.

This helps the shaft generate thrust well before the end of the exhaust stroke. According to Mercedes, this allows the C63 to generate more low-end torque. A similar system can also be found on the aforementioned C43 and SL43, but unlike those two, the C63 uses a larger 400-volt hybrid system (compared to a 48-volt system). In addition, it also has the additional help of a turbocharger, allowing higher consumption and therefore more power.

All this before the electric boost, which occurs at the rear axle, thanks to its 204PS electric motor, bringing the combined power to 680PS. With electric power alone, the car can travel 13 km, with a top speed of 125 km/h. And yes, those numbers make it look less efficient than other PHEVs on the market right now, but according to AMG, that’s down to the prioritization here of power over efficiency.

And the results are pretty dramatic to be fair. The 0 to 100 km / h is achieved in 3.4 seconds, against 4.0 seconds on the old model. The maximum speed here is 250 km/h, which can be increased to 280 km/h. All of this combined makes the C63 sedan far more powerful not only than older models but also competition like the BMW M3 and even the BMW M5 Competition.

The other major update here comes in the form of its default all-wheel-drive system, a first for the model. However, you still have the option of configuring the gas engine to push power only to the rear axle if you wish. The transmission here is handled via a conventional nine-speed epicyclic automatic, with a wet clutch pack instead of the old torque converter system.

Standard equipment includes carbon brakes, adaptive dampers for the steel coil suspension and Mercedes’ AMG Dynamics drive mode selector. It now comes with a new “master” mode, allowing for a bit of oversteer. It’s hard to escape the AMG brand, with graphics in the digital instrument cluster, head-up display, steering wheel and more.

On the outside, it gets Mercedes’ new Panamericana grille, a rather tall front air dam, sportier wheels and dual exhaust tips. Also for the first time, the AMG badge is visible on the bonnet. The company also unveiled a C63 Wagon, but we doubt it’ll ever reach our shores. As for the sedan, with local assembly, the C63 AMG could well disrupt the luxury performance segment in the Indian market.

  Shaft