RENNtech ECU+ Upgrade | C217 | S 63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017 lamborghini-gallardo--2003-2013--esr8960284 Our easy to ready

Our easy to ready

CLK (C208) 55 AMG [2 Filters Required] (HP: 347 | Year: 99 > 02)

Dawn 2015 – 2022 (present)

208 - CLK 55 AMG

The maximum power number reached with the RENNtech ECU Upgrade for the G63 AMG is 731 HP and 786 LB-FT

RENNtech ECU+ Upgrade | C217 | S 63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017 lamborghini-gallardo--2003-2013--esr8960284 Our easy to readyECU+ Upgrade Up to 669HP 734LB FT Gains: +65HP & +55LB 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 takes only a few minutes and the vehicle can be