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 After changing and saving the

After changing and saving the settings

The tubes have to be returned in good condition

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

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

556 wtq @ 5

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 After changing and saving theR3+ 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.