The 2019 Mercedes-Benz AMG GT63 S RENNtech RIIIx is not just another luxury four-door. It’s a statement on wheels, brash, brilliant, and brutally fast. RENNtech’s tuning magic takes this flagship sedan to another level entirely.
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Designed to Disrupt Expectations
Draped in Brilliant Blue Magno with a ceramic-coated finish, this car doesn’t whisper. It roars. Carbon fiber accents add a razor-sharp edge, from the front splitter to the fixed rear wing.
Aero and Aesthetics Combined
The Aero 1 carbon kit amplifies downforce with purpose. Blue carbon hood intakes, side skirts, and that menacing rear diffuser give it fighter-jet flair. Even parked, it looks like it’s moving.
1,196 Horsepower: The Numbers That Matter
Powering the AMG GT63 S RENNtech RIIIx is a 4.0L V8 dialed to a jaw-dropping 1,196 HP and 927 lb-ft of torque.
RENNtech’s Stage II turbo upgrade, high-flow fuel system, and ECU/TCU calibration elevate this car to hypercar territory. Turbo spool is ferocious.
A 2.44-second sprint to 60 mph and a 9.9-second quarter mile seal the deal. The 4MATIC+ system claws for grip, while stainless downpipes and adjustable valves deliver a sound worthy of the badge.
Built With Precision Engineering
This isn’t just bolt-ons and hope. RENNtech tested and tuned the car on their in-house dyno. The result is explosive yet refined power delivery that feels intuitive and confident.
Interior Craft Meets Motorsport Focus
Step inside and you’re greeted by linen suede and carbon fiber everywhere. Custom sport seats match the blue-and-linen colorway, with carbon shell backs giving a nod to track intent.
Tailored Detail Throughout
The dash, doors, and center console continue the carbon theme. A custom leather and carbon steering wheel ties everything together. Even the headliner gets love, with starlight linen suede above.
Custom plaques signed by RENNtech founder Hartmut Feyhl reinforce this car’s rarity and attention to detail.
Summary
The 2019 Mercedes-Benz AMG GT63 S RENNtech RIIIx isn’t just fast, it’s ferocious, focused, and flawlessly executed. Every inch has been considered, built, and tuned with intent. It’s a hyper-sedan that plays in its own league, with looks to kill and performance to prove it.
This article describes a professionally modified vehicle with performance ratings based on vendor specifications.
Disclaimer: Power, performance, and design features described are based on the vendor’s tuning and claims.
