RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 mercedes-benz-c-class--205-sedan---2015-2022--c-63-amg-biturbo-esr5379888 Buyer Beware: There have been

Buyer Beware: There have been reported failures the stock Turbo’s in the Mercedes-AMG 53 series M256 -engine

The carbon fiber Bumperette Delete is finished in a high gloss UV protectant coating

A stiffer chassis means more grip

This full aero package was developed to function cohesively

217 - S 63 AMG Coupé BiTurbo

RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 mercedes-benz-c-class--205-sedan---2015-2022--c-63-amg-biturbo-esr5379888 Buyer Beware: There have beenECU+ 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