RENNtech ECU+ Upgrade | R172 | SLC 43 AMG | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2020 mercedes-benz-c-class--205-sedan---2015-2022--c-300-esr8899955 Combined with RENNTECH's ECU software

Combined with RENNTECH's ECU software our S 63 down pipes create an incredible sound with performance to match

The functionality of the Canards is fully optimized when combined with the RENNtech front splitter

544 LB-FT @2

Using the highest quality pre-preg carbon fiber

No interference with any control units

RENNtech ECU+ Upgrade | R172 | SLC 43 AMG | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2020 mercedes-benz-c-class--205-sedan---2015-2022--c-300-esr8899955 Combined with RENNTECH's ECU softwareThe ECU Plus Upgrade brings the R172 SLC 43 AMG up to 416 HP and 460 LB FT. Gains: +41 HP and +62 LB FT. 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 directly to the ECU. Programming