Stage 2 SL-Class SL550 5.5 V8 Biturbo — Stage 2 Decat ECU Tune 552655

Change log

  • v1.0 — 2025-06-21
    • v1.0 release of an aggressive Stage 2 decat tune for the SL550 5.5L V8 Biturbo.
    • Calibrated for maximum power on vehicles with modified exhaust systems.
    ​

Release notes

  • v1.0 — 2025-06-21
    • Package includes Original + Stage 2 (Decat) binaries
    • Confirm software version 552655 before flashing
    • IMPORTANT: Requires removal of catalytic converters (decat). Use on vehicles with catalysts still present may cause damage.
    • Compatible with bench tools supporting this ECU type, like Dimsport Trasdata
    • For off-road or competition use ONLY​
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