RENNtech R1 Performance Package Mercedes-Benz S63 AMG W221
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +31 HP and +30 TQ over stock.
S63 (W221) Stock Performance:
- 518HP @ 6800 RPM; 465 LB-FT @ 5200 RPM
- 549 HP @ 6800 RPM; 495 LB-FT @ 5200 RPM