RENNtech R3+ Performance Package | S 63 (S) AMG | W222 | 1017 HP / 871 TQ | 4.0L V8 BiTurbo | M177 | MY2018 - 21 mercedes-benz-g-class--463---1990-2018--g-550-4x4-biturbo-esr1493681 The Lathe Grooved backpad process

The Lathe Grooved backpad process feature is also standard on our Performance Series wheels

The end result is nothing short of spectacular with the RENNtech R2 package gaining up to 178 hp and 109 lb-ft

Entire cartridge is fine balanced as an assembly

We have found the new M256 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

After changing and saving the settings

RENNtech R3+ Performance Package | S 63 (S) AMG | W222 | 1017 HP / 871 TQ | 4.0L V8 BiTurbo | M177 | MY2018 - 21 mercedes-benz-g-class--463---1990-2018--g-550-4x4-biturbo-esr1493681 The Lathe Grooved backpad processR3+ Performance Package for Mercedes AMG S 63: ECU Upgrade (HHT), Stage 2 Turbo Upgrade, Downpipes, TCU, CPC, Fuel Management System, BOV, EVM, BMC Air Filters The Mercedes W222 S 63 AMG comes with the newest engine fully developed by AMG, the companys Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4. 0L V8 BiTurbo engine is an incredible platform to build performance upon.