RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-c-class--205-sedan---2015-2022--c-63-amg-biturbo-esr5379888 CLK COUPE' (C 209) 55

CLK COUPE' (C 209) 55 AMG [2 Filters Required] (HP: 367 | Year: 02 > 06)

85 mph W/S 213 - AMG E63 R3 Package w/Launch Control 2

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

RENNtech ECU HHT (HandHeldTuner) for the 209 - CLK 63 AMG Black Series

More power is not the only performance benefit

RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-c-class--205-sedan---2015-2022--c-63-amg-biturbo-esr5379888 CLK COUPE' (C 209) 55RENNtech ECU HHT (HandHeldTuner) for the 211 E 63 AMG. Up to 530HP and 485LB FT LB FT. Gains: +23HP & +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.