RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015+

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Description

RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015+Intermediate ECU Upgrade Up to 638HP 695TQ Gains: +33HP +25TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle

Rated by Mercedes-Benz: 503 HP @ 6

590 LB-FT @ 2

334 wtq @ 2

Stelvio Quadrifoglio (949)

Crank Performance Numbers are calculated with a 16% Drivetrain loss on Sprinter vehicles

Stock: 567 HP | 502 LB-FT

AMG GT Black Series Owners:

With the proprietary RENNtech ECU Tuning the C190 AMG GT C gains up to +84 HP and +93 LB-FT

G 500 (W463) Stock Performance:

Drag Race: Stock Sprinter Vs RENNtech Engine Tune

no damage to factory cables

CLA 45 AMG (C117 - M133 2