RENNtech ECU Hand Held Tuner | HHT | CLS 63 AMG | C219 | 534HP/485LB-FT| 6.3L N/A | M156 | MY2007-2011 hammer-capsule DBX Straight Six

DBX Straight Six

Our freer flowing muffler weighs in at a scant 10 lbs per side in race configuration versus the factory mufflers which weigh in at a hefty 60 lbs per side

The ECU Plus Upgrade brings the C292 - GLE 43 AMG Coupe up to 416 HP and 460 LB-FT

212 - E 63 AMG BiTurbo 4-MATIC FaceLift (2014+)

Gains up to: +61 HP | +59 LB FT

RENNtech ECU Hand Held Tuner | HHT | CLS 63 AMG | C219 | 534HP/485LB-FT| 6.3L N/A | M156 | MY2007-2011 hammer-capsule DBX Straight SixRENNtech ECU HHT (HandHeldTuner) for the 219 CLS 63 AMG. Up to 534HP and 485LB FT LB FT. Gains: +27HP & +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.