Posaidon duo power kit for Mercedes-AMG GT S and C63 AMG S, fast cars made faster

Added in: Mercedes Benz

Posaidon C63 AMG S

Posaidon C63 AMG S is one crazy four-door saloon.

We have heard about the Posaidon name before on Motoroids and at that time, the car involved was a Posaidon G63 AMG. This time the German tuning house has focused their attention on two other Mercedes-Benz cars – the C63 AMG S and Mercedes-AMG GT S. As with most tuneups by Posaidon, these two cars weren’t really asking for more power, in fact, that’s the last thing they need.

Posaidon C63 AMG S (2)

This C-Class saloon couldn’t get more lairy than this.

However, the tuning house decided to throw sensibility out of the window, focused on the task at hand and ended up creating two biblically powerful cars. What Posaidon did with the C63 is tinker with its 4.0-litre twin-turbo V8 and fit one of their duo power kits, so it now churns out an astonishing 610 hp and 800 Nm of torque. But what’s the fun of jacking up the engine power if you are still electronically restricted to 250 km/h? Well, the boffins at Posaidon took care of that by kindly removing the nagging limiter, so now when you give it the beans, this C63 would not faff about and would gladly continue on to 328 km/h.

AMG 4.0-litre twin-turbo V8

The C63 AMG S and AMG-GT S both share the same 4.0-litre twin-turbo V8.

The standard Mercedes-AMG GT S makes around 510 hp and 650 Nm of torque, top speed is an electronic wizardry-limited 310 km/h. Not too bad, but seemingly boring for this tuning house. Once inside the Posaidon hangar, the AMG GT S gets treated with the same duo power kit that the above C63 got. Power now climbs from a measly 510 hp, to 630 hp which is quite amazing. The torque from the V8 gets a bump too and goes up from 650 Nm, to 725 Nm and that’s enough shove to actually move Thor’s hammer by a fair bit.

Posaidon AMG GT S

This Mercedes-AMG GT S would eat its tyres without any remorse. Thank you, Posaidon!

The ‘standard’ Mercedes-AMG GT S can hit the tonne mark in 3.8 seconds, but we reckon the Posaidon car can nail that much quicker. The top speed has now been raised to 337 km/h and that’s slightly faster than the C63 that we saw above. If you think this is where the insanity stops, you are wrong and that’s because Posaidon is working on some new turbochargers and free-flow sports exhaust systems for these cars. So expect to see more power and torque out of the 4.0-litre V8s in the future.

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