German Tuner Turns The Mercedes-AMG G63 Into A 850-HP Monster


Now this is the send-off the G-Class deserves. The granddaddy isn't ready to retire just yet.

The Mercedes G-Class is nearing retirement, which has spawned several new special edition models such as the Mercedes-AMG G63 And G65 Exclusive Editions and G65 Final Edition. However, these special edition models only offer cosmetic changes over the standard SUV. If you want to experience the already-extreme Mercedes-AMG G-Class with some extra grunt, there are plenty of aftermarket options. German tuner Posaidon, for example, has produced one of the most powerful tuned G-Wagons we’ve ever seen based on the G63.

Normally, the 5.5-liter twin-turbo V8 Mercedes AMG G63 produces 571 horsepower, but Posaidon has boosted that up to a monstrous 850 hp with a hefty 995 lb-ft of torque. Rather aptly, Posaidon calls its tuning package the G63 RS 850. Such a substantial power upgrade was achieved by remapping the ECU and upgrading the transmission internals. With these modifications, the G63 850 RS needs only 3.6 seconds to sprint from 0-62 mph and can reach a top speed of 177 mph. Complementing the performance upgrades are new adaptive dampers, 22-inch alloys and gold brake calipers from the S63 AMG.

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Customers can also customize the G63 850 RS’s interior with carbon fiber accents, yellow contrast stitching, and quilted leather. There’s no word on how much this modified Mercedes-AMG G63 costs, however. Given that a standard G63 will set you back around $140,000, we wouldn’t be surprised if you had to double that figure. Still, it’s an appropriately extreme send-off for one of the most powerful and capable off-roaders ever made. The granddaddy isn’t ready to retire just yet.

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