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 maximum power number reached

The maximum power number reached with the RENNtech ECU Upgrade for the GT 63 AMG S 4-Door Coupe is 783 HP and 798 LB-FT

37% more fuel flow than stock

most kits take a total of an hour or less to install with basic hand tools

556 wtq @ 5

Entire cartridge is fine balanced as an assembly

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 maximum power number reachedR3+ 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.