You can find the chip tuning file for your Mercedes-Benz SL R231 - 2012 - 2015 500 V8 BiTurbo 435hp vehicle on our site. These files are created especially for you and handed to you. All our Tuning files are extensively tested on Dynometer. The development of the tuning file for your Mercedes-Benz SL R231 - 2012 - 2015 500 V8 BiTurbo 435hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 435 HP to 550 HP, 700 Torque to 850 Torque.