4MATIC RSS

Complete technical breakdown of the Mercedes-AMG E63 S W213 — M177 engine, MCT 9-speed, 4MATIC+ AWD, suspension, and staged build paths from 650 to 1000+ hp.

What Is AMG’s 4MATIC+ and How Does It Handle 800+ HP? Every AMG E63, GT 63 4-Door, and GLC 63 runs 4MATIC+ — Mercedes-AMG’s fully variable all-wheel-drive system. Unlike Audi’s Quattro or BMW’s xDrive, 4MATIC+ can send 100 % of torque to the rear wheels on demand, effectively switching between AWD and RWD without the driver lifting off the throttle. For tuners pushing the LS2-spec M177 to 700, 800, or 900+ HP, the 4MATIC+ transfer case is both a launch-traction advantage and a potential weak link. This guide breaks down exactly how the system works, where it reaches its limits,...

The downpipe is the single highest-impact bolt-on modification you can make to the Mercedes-AMG E63 and E63 S. On the M177 4.0-liter twin-turbo V8, the factory catalytic converters sit directly downstream of the turbochargers — creating a massive restriction right where exhaust gas velocity is highest. Replacing them with aftermarket downpipes is how you go from a fast sedan to a 10-second quarter-mile car.This guide covers everything you need to know before buying downpipes for your W213 E63: catless versus 200-cell high-flow cats, real-world power gains, exhaust sound changes, fitment across all body styles, installation, and why a Stage 2...