RENNtech ECU+ Upgrade | C190 | AMG GT Black Series | 843 HP / 739 LB-FT | 4.0L V8 BiTurbo | M178 carbon-fiber-airbox Style: Multi-Spoke Finish: Brushed Size:

Style: Multi-Spoke Finish: Brushed Size: 21"x10

With the proprietary RENNtech ECU Tuning the X253 - GLC 43 AMG SUV gains up to +25 HP and +42 LB-FT

The result can be summed up in one simple phrase

the splitter showcases a premium carbon fiber weave that integrates seamlessly with factory and aftermarket carbon fiber components

drivers can run several sets of pads on them without having to prematurely change them

RENNtech ECU+ Upgrade | C190 | AMG GT Black Series | 843 HP / 739 LB-FT | 4.0L V8 BiTurbo | M178 carbon-fiber-airbox Style: Multi-Spoke Finish: Brushed Size:ECU+ Upgrade Up to 843 HP 739 LB FT Gains: +99 HP & +95 LB 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