RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 porsche-cayenne--2017-present--po536--340ps--esr7220361 AMG GT R (MY2018+ |

AMG GT R (MY2018+ | C190 | M178 | 4

Finished in a multi-layer UV protective clear coating system

Rated by Mercedes-Benz:      537 HP @ 5

Maserati GranTurismo

Mercedes-AMG S63 E-Performance (W223) 2024+

RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 porsche-cayenne--2017-present--po536--340ps--esr7220361 AMG GT R (MY2018+ |ECU+ Upgrade Up to 659HP 614LB FT Gains: +84HP & +93LB 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 you choose