RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 mclaren-mclaren-gt-esr5735104 Weight optimization and developed specifically

Weight optimization and developed specifically for the Mercedes-Benz SL-Class

495 LB-FT @ 4750 RPM

CLASS E (W 210) 230 (HP: 150 | Year: 95 > 98)

541 LB-FT @ 3

Maximum power numbers are for both

RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 mclaren-mclaren-gt-esr5735104 Weight optimization and developed specificallyECU+ Upgrade Up to 659HP 614LB FT Gains: +84HP & +93LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States 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