RENNtech ECU Hand Held Tuner | HHT | CL 63 AMG | C216 | 534HP/485 LB-FT | 6.3L N/A | M156 | MY2008-2010 porsche-cayenne--92a---2011-2018--s-e-hybrid-esr9908392 Increased volume

Increased volume

CLASS M (W 164) ML 500 [2 Filters Required] (HP: 306 | Year: 05 > 08)

000RPM with peak gains of +321 HP and +185 LB-FT

600 RPM Mercedes M276 engine performance when measured

Range Rover Sport SVR (L494/LW) 2013 – 2021

RENNtech ECU Hand Held Tuner | HHT | CL 63 AMG | C216 | 534HP/485 LB-FT | 6.3L N/A | M156 | MY2008-2010 porsche-cayenne--92a---2011-2018--s-e-hybrid-esr9908392 Increased volumeRENNtech ECU HHT (HandHeldTuner) for the 216 CL 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.