RENNtech ECU Hand Held Tuner (HHT) for S 600 | W220 | 625 HP / 745 LB-FT | MY2003-2006 exhaust-valve-module which is a consistent

which is a consistent

The maximum power number reached with the RENNtech ECU Upgrade for the AMG GT C is 659 HP and 614 LB-FT

With the proprietary RENNtech ECU Tuning the C190 AMG GT C gains up to +84 HP and +93 LB-FT

Aggressive

ECU+ Upgrade | Up to 669HP / 734TQ | Gains: +119HP / +190TQ

RENNtech ECU Hand Held Tuner (HHT) for S 600 | W220 | 625 HP / 745 LB-FT | MY2003-2006 exhaust-valve-module which is a consistentRENNtech ECU HHT (HandHeldTuner) for the 220 S 600. Up to 625HP and 745 LB FT LB FT. Gains: +132HP & +155 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.