RENNtech Power Module (RPM) ECU -tune increases horsepower and torque across the entire power band. By modifying ignition timing, throttle mapping, optimizing air-to-fuel-ratios of the 4.0-liter BiTurbo V8 -engine (M177) found in the Mercedes-AMG S63 E Performance vehicles.
The RPM is contained in a CNC machined 6061 aluminum case with pre-labeled wires and connectors. The RPM comes with a bypass that can be installed in place of the module for quickly turning the vehicle back to stock. The harness can be uninstalled for returning the vehicle back to stock.
Through our 30+ years of ECU tuning experience, countless hours of in-house R&D, and long-term testing the RPM ECU upgrade offers the best in quality, performance, and reliability.
From the factory, the S63 AMG E-Performance is delivered with 791 HP and 1055 LB-FT. With the RENNtech RPM, the performance numbers go up to 890 HP and 1062 LB-FT, gaining up to +49 HP and +55 LB FT.
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Performance Numbers Overview
Mercedes-AMG S63 E -Performance (2021+ | W223| M177 ) Stock Performance :
Mercedes-AMG S63 E-Performance (2021+ | W223| M177 ) Modified Performance:
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