RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-ml-class--164---2006-2011--ml-320-cdi-esr8255656 557 wtq @ 5

557 wtq @ 5

391 LB-FT @ 3000 RPM

600 RPM Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles

ECU+ Upgrade | Up to 669HP / 734TQ | Gains: +106 HP / +140TQ

Phantom 2004 – 2022 (present)

RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156 | MY2007-2009 mercedes-benz-ml-class--164---2006-2011--ml-320-cdi-esr8255656 557 wtq @ 5RENNtech ECU HHT (HandHeldTuner) for the 209 CLK 63 AMG. Up to 517HP and 485LB FT LB FT. Gains: +39HP & +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.