RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W212 | 534HP/485 LB-FT | 6.3L N/A | M156 | MY2010-2011 porsche-911--991-1---2011-2016--turbo-s-esr5268728 Not just a pretty to

Not just a pretty to look at

The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is 601 HP and 644 LB-FT

Gains: Up to +208HP | +137LB-FT

507 HP @ 6800 RPM

700rpm Note: Mercedes M177 engine performance when measured

RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W212 | 534HP/485 LB-FT | 6.3L N/A | M156 | MY2010-2011 porsche-911--991-1---2011-2016--turbo-s-esr5268728 Not just a pretty toRENNtech ECU HHT (HandHeldTuner) for the 212 E 63 AMG. Up to 534HP and 485LB FT LB FT. Gains: +26HP & +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.