RENNtech ECU Hand Held Tuner (HHT) for CLK 550 C209 | 402 HP / 405 LB-FT | MY2007-2009 lamborghini-urus--2018-present--4-0l-v8-fsi-twinturbo-esr5300432 RENNtech T-Shirt

RENNtech T-Shirt

ML 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:

Application:

978 sec 107

RENNtech ECU Hand Held Tuner (HHT) for CLK 550 C209 | 402 HP / 405 LB-FT | MY2007-2009 lamborghini-urus--2018-present--4-0l-v8-fsi-twinturbo-esr5300432 RENNtech T-ShirtRENNtech ECU HHT (HandHeldTuner) for the 209 CLK 550. up to 402HP, 405LB FT. Gains: +20HP & 14LB 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