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New Tuning File Available: Mercedes GL550 CGI 4.7 BiTurbo ECU Tune – Stage 2 File for Bosch MED17.7 (Hard + Normal) 530188 - Twin-version Stage 2 file for 435PS GL550 — high-output Bosch MED17.7 binary with dual calibrations.
Welcome to the official discussion thread for the MB 550CGI tuning package. This calibration is specifically developed for the MED17.7 ECU and optimized to work seamlessly with the automatic transmission.
Target Performance: 435.0PS / 319.9kW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: MB 550CGI
Welcome to the official discussion thread for the MB 550CGI tuning package. This calibration is specifically developed for the MED17.7 ECU and optimized to work seamlessly with the automatic transmission.
Target Performance: 435.0PS / 319.9kW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- Stage 2 ECU remap for Mercedes GL550 4.7L BiTurbo (MED17.7)
- Includes two profiles: “Normal” for refined power, “Hard” for max performance
- Boost and torque maps pushed for stronger midrange and top-end pull
- Fuel and ignition optimised for safe gains across operating temps
- No fault codes — safe for OEM sensors and diagnostics
- Checksum correction done with OLS807 v3.32
- Flash-ready complete binary, suitable for bench/OBD tools
- Ideal for both fast road and off-road tuned builds
➜ Download Tuning File / View Full Specs