RENNtech ECU Hand Held Tuner | HHT | SL 63 AMG | R230 | 534HP/485LB-FT | 6.3L N/A | M156 mercedes-benz-c-class--222---2014-2020--s63-amg-esr4574410 Rated by Mercedes-Benz: 621 HP

Rated by Mercedes-Benz:      621 HP @ 5

332 LB-FT @ 2

PerformanceBMC air filters are designed and produced to ensure a higher air flow than original paper filters

AMG GT R (C190 | M178 | 4

Rated by RENNtech (peak @wheel):             614 whp @ 6

RENNtech ECU Hand Held Tuner | HHT | SL 63 AMG | R230 | 534HP/485LB-FT | 6.3L N/A | M156 mercedes-benz-c-class--222---2014-2020--s63-amg-esr4574410 Rated by Mercedes-Benz: 621 HPRENNtech ECU HHT (HandHeldTuner) for the 230 SL 63 AMG. Up to 534HP and 485LB FT LB FT. Gains: +16HP & +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.