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RPM ECU-Upgrade | Mercedes-AMG SL 63 | R232 | 4.0 L BiTurbo | up to 725 HP | 765 LB-FT | +100 HP +84 LB FT

RENNtech Power Module ECU-Upgrade for Mercedes-AMG SL 63 (R 232) | 4.0 L BiTurbo w/ EQ Boost | M177 | 725 HP & 765 LB-FT
SKU: 54.177.RPM.63
Renntech Piggyback ECU Tuner Renntech Piggyback ECU Tuner
Retail price without tax: $3,840.00
Renntech Piggyback ECU Tuner
Renntech Piggyback ECU Tuner
Renntech Piggyback ECU Tuner
Renntech Piggyback ECU Tuner

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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 SL-series of 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. 


Mercedes-AMG SL 63 (R 232) 2022+
Factory Figures: 577 HP 590 LB-FT
DYNO tested Stock: 625 HP | 681 LB-FT
RPM Tuned: 725 HP | 765 LB-FT
Gains up to: +100 HP | +84 LB FT

RPM for Mercedes-AMG SL 63 4.0 -liter BiTurbo V8 (M177) -engine:

  • SL 63 (R232) 2022+
  • Professional installation recommended.

 Power figures are calculated with a 16% drivetrain loss for AWD 9-speed vehicles.



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7825 SW Ellipse Way, Stuart, FL 34997
(+1) 561 - 845 7888
Mon - Fri 9am - 6pm


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7825 SW Ellipse Way - Stuart, FL 34997
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