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 Note: HP and TQ gains

Note:  HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech

Our easy to ready

RENNtech utilized the latest technology in 3D scanning

208 - CLK 55 AMG

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 Note: HP and TQ gainsECU+ 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