Reprogramming Tool Autotuner ECU Type Bosch MED17.7.3 Programming Method Specifications Hybrid Turbos Sport Exhausts Stage 1 ECU Remap Power Gains Stock: 440 whp 531 ft.lbs Tuned: 655 whp 848 ft.lbs BECOME A DEALER The ECU programming process of this Mercedes CLS63 5.5L is quite simple using the advanced automotive reprogramming tools of our dealer pack. The reading and the …