RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-macan---my2019---3-0-esr5934925 CLK COUPE' (C 209) 63

CLK COUPE' (C 209) 63 AMG Black Series [2 Filters Required] (HP: 507 | Year: 07 > 09)

developed to complement the full RENNtech AMG GT R aerodynamic program

RENNtech ECU HHT (HandHeldTuner) for the 220 - S 600

CLS (C 219) 500 [2 Filters Required] (HP: 306 | Year: 04 > 06)

our proprietary rear diffuser was designed and engineered in-house

RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-macan---my2019---3-0-esr5934925 CLK COUPE' (C 209) 63ECU+ Upgrade Up to 669HP 734LB FT Gains: +64HP & +108LB 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