RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ mercedes-benz-a-class--177---2019-present--a-35-amg-esr2974641 Please note that the Mercedes

Please note that the Mercedes M176 engine performance when measured

The maximum power number reached with the RENNtech ECU Plus Upgrade for the C253 - GLC 43 AMG Coupe is 416 HP and 460 LB-FT

ASTON MARTIN DBX

The maximum power number reached with the RENNtech ECU Upgrade for the E450 is 392 HP and 463 LB-FT

RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ mercedes-benz-a-class--177---2019-present--a-35-amg-esr2974641 Please note that the MercedesECU+ Upgrade Up to 601HP 582LB FT Gains: +65HP & +87LB 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