RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-cls-class--219---2006-2011--cls-500-esr9637543 Up to 818 HP and
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
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RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-cls-class--219---2006-2011--cls-500-esr9637543 Up to 818 HP andRENNtech 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.
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