The Brabus B45 gives the AMG A 45 S more power than you’ll ever need

If you’ve ever been inside a Mercedes-AMG A 45 S, you probably wouldn’t have asked for more power. But for some reason unbeknownst to us, someone out there did – there’s always that one guy. Fortunately Brabus has just the right answer with the new Brabus B45-450.

The Brabus tune takes the two-litre turbocharged mill under the bonnet of the A 45 S – which is already the most powerful production four-cylinder engine – and pushes it even further to a peak output of 450 hp (hence, the name) and 550 Nm – curiously identical to that of the BMW M2 CS.

While the power increase is fairly modest by Brabus’ standards, the tuning house said that the modification “unleashes the dormant reserves in this four-cylinder turbo without impairing the robustness and durability”. But to us, it just goes to show how far Mercedes-AMG has already pushed the little engine.

With the extra power, the Brabus B45-450 shaves a two tenths off the century sprint time – now just 3.7 seconds – while top speed still remains at an electronically-limited 270 km/h. Trust us, that’s plenty fast enough.

Brabus says that the extra power comes from “more than just special mapping” on the ECU, but did not divulge further on the modifications made. Other parts in the conversion include a Brabus PowerXtra CPC auxiliary control unit, as well as a Brabus BoostXtra adapter, which “lets the engine produce a sporty blow-off noise like a racecar”, alongside a special duct for the air box.

As for looks, Brabus left the A 45 S fairly untouched, with the only exterior options being a set of tailor-made 20-inch Monoblock wheels (with bespoke tyres from Continental), as well as height adjustable Brabus sports springs, with a maximum height drop of 30 mm.

Inside, buyers can opt for several additional Brabus blings, including stainless steel Brabus scuff plates with 64-colour illumination in sync with the ambient lighting, aluminium pedals, and Brabus-branded velour floor mats. If you wish, Brabus can also help you completely customize the upholstery inside, with virtually unlimited colour and design options.

Interestingly, Brabus will also be offering a three-year/100,000 km warranty on the tune of the B45-450, alongside TUV roadworthiness approval over in Germany – making it pretty much just like buying any other Mercedes-Benz cars straight from the factory. Pricing is available on request, but if you have to ask, it’s probably too much for you…



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