RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 porsche-911--992---2018-present--gt3-touring-esr9604671 increasing the engine's rev limiter

increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles

E 63  AMG (211) Stock Performance:

Porsche Panamera Turbo (971) 2016 - 2020

RENNtech Carbon Fiber Wing is available with tall or low style stanchions

CLASS E (W 210) 300 TD (HP: 177 | Year: 97 > 99)

RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 porsche-911--992---2018-present--gt3-touring-esr9604671 increasing the engine's rev limiterRENNtech ECU HHT (HandHeldTuner) for the 209 CLK 63 AMG. Up to 517HP and 485LB FT LB FT. Gains: +39HP & +20LB 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.