RENNtech ECU+ Upgrade | W222 | S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2020 mclaren-600-lt-esr8962987 AMG GT S 4

AMG GT S 4

and 3D-print prototyping in order to fully develop the AMG GT 4-Door Rear Wing assembly

depending on level of modification

up to an astonishing 392 HP and 462 lb/ft at the crank

Rated by Mercedes-Benz:      621 HP @ 5

RENNtech ECU+ Upgrade | W222 | S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2020 mclaren-600-lt-esr8962987 AMG GT S 4ECU+ Upgrade Up to 584 HP 642 LB FT Gains: up to +100 HP & +102 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file