RENNtech ECU HHT (HandHeldTuner) for the 204 - C 63 AMG Black Series. Up to 517HP and 485LB-FT TQ. Gains: +7HP & +28TQ.
RENNtech Stainless Steel Long Tube Headers with Downpipes and 200 Cell Sport Cats for 204 - C 63 AMG. Gaines: +30HP & 30TQ
R1 Performance Package for 204 - C 63 AMG Black Series. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 529HP and 495TQ.
R2 Performance Package for 204 - C 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel Headers. Up to...