ECU Flash for Mercedes-Benz S63 AMG 2011+

With more low end torque, faster acceleration and razor sharp throttle response an RSC Tuned Mercedes-Benz S63 AMG 2011+ will wake your car up and enhance the driving experience. Engineered to the most exacting specifications by some of the best Mercedes Tuners worldwide you can be sure this product won’t disappoint. We're so confident in our Mercedes tuning that we offer a 30 day money back guarantee should you not be happy with it. OEM safety protocols remain in place offering the highest possible level of protection for your vehicle. Stock HP: 564 Stock TQ: 664 Tuned HP: 640 Tuned TQ: 702