You can find the chip tuning file for your Mercedes-Benz CLK W209 - 2003 - 2009 500 V8 - 306hp 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 CLK W209 - 2003 - 2009 500 V8 - 306hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 306 HP to 320 HP, 460 Torque to 485 Torque.