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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
67 sec 116
RENNtech is able to add up to 153 HP and 232 LB-FT to the 5
Rated by Mercedes-Benz: 617 HP @ 6
Tailpipes with a bigger diameter than stock (105 mm) provide the finishing details to this sports vehicle
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RENNtech ECU Hand Held Tuner | HHT | S 63 AMG | W221 | 534HP/485 LB-FT | 6.3L N/A | M156 | MY2008-2010 aston-martin-dbx707-esr8045635 67 sec 116RENNtech ECU HHT (HandHeldTuner) for the 221 S 63 AMG. Up to 534HP and 485LB FT LB FT. Gains: +16HP & +20 LB 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.