RENNtech ECU Hand Held Tuner (HHT) for CLK 55 C209 | 380 HP / 395 LB-FT | MY2003-2006 mclaren-600-lt-esr8962987 M176 | 177 | 178

M176 | 177 | 178

066 HP and 831 LB-FT @ crank with 93 Octane Fuel

ML 63 (164) Stock Performance:

Reduce risk of brake fluid boiling

The part comes in standard primer or black paint

RENNtech ECU Hand Held Tuner (HHT) for CLK 55 C209 | 380 HP / 395 LB-FT | MY2003-2006 mclaren-600-lt-esr8962987 M176 | 177 | 178RENNtech ECU HHT (HandHeldTuner) for the 209 CLK 55 AMG. Up to 380HP and 395 LB FT LB FT. Gains: +18HP & +17LB 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.