RENNtech ECU Hand Held Tuner (HHT) for SL 500 | R230 | 320 HP / 355 LB-FT | MY2003-2006

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RENNtech ECU Hand Held Tuner (HHT) for SL 500 | R230 | 320 HP / 355 LB-FT | MY2003-2006RENNtech ECU HHT (HandHeldTuner) for the 2220 S 500. Up to 320HP and 355 LB FT. Gains: +18HP & +16LB FT. 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

RS7 (C8 4K)

Gains: +20HP & 14LB-FT

0L Engine) Stock Performance:

Malsanne 6

our turbo upgrade kit includes the RENNtech ECU Upgrade and high-performance air filter

This design flows seamlessly into the front apron and is a simple

336 LB-FT @ 2700-4000 RPM

The RENNtech Power Module (RPM) ECU tune delivers significant horsepower and torque gains across the entire power band

Intermediate ECU Upgrade | Up to 638HP / 695LB-FT | Gains: +33HP & +25LB-FT

The ECU Plus Upgrade brings the C292 - GLE 43 AMG Coupe up to 416 HP and 460 LB-FT

These exceptionally unique and refined aerodynamic pieces complete the RENNtech SLS aero package by integrating flawlessly with the original lines of the vehicle while boosting the overall testosterone level of the sporty SLS

G 55 AMG Modified Performance:

Exchange/Return Notes