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Plus shipping, applicable import duty and installation.
Our proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.
Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance to an astonishing 669 HP and 734 lb/ft at the crank!
SL 63 (R231) Stock Performance (Without Performance Package):
SL 63 (R231) Stock Performance (With Performance Package):
Modified Performance (Without Performance Package):
Modified Performance (With Performance Package):
Our online store allows you to choose the best performance parts for your car. Instead of having the items delivered to your home, we can deliver direct to your local service center. You can browse products on this website. Please feel free to place an order and one of our representatives will contact you to arrange delivery and installation if requested of your new performance parts.