RENNtech ECU Hand Held Tuner | HHT | R230 | SL55 AMG Kompressor | 528HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2008 mercedes-benz-amg-gt--190---2015-2017--gt-s---2015-2017--esr1356663 Numbers published by MBUSA are

Numbers published by MBUSA are an average over a 1

RENNtech ECU HHT (HandHeldTuner) for the 219 - CLS 63 AMG

VEHICLE OPTIMIZATION

0L V6 BiTurbo

684 LB-FT @ 3

RENNtech ECU Hand Held Tuner | HHT | R230 | SL55 AMG Kompressor | 528HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2008 mercedes-benz-amg-gt--190---2015-2017--gt-s---2015-2017--esr1356663 Numbers published by MBUSA areRENNtech ECU HHT (HandHeldTuner) for the 230 SL55 AMG Kompressor. Up to 528HP and 552LB FT. Gains: +35HP & +35TQ. 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.