Mercedes-Benz G-Class 400CGI Stage 2 (422PS / Auto) - Reviews | MED17.7

Mercedes-Benz G-Class 400CGI Stage 2 (422PS / Auto) - Reviews | MED17.7
G-Class 400CGI — Bosch MED17.7 005298 — ECU Firmware
This Stage 2 tune is engineered to unleash the maximum performance from your Mercedes-Benz G-Class 400CGI, equipped with the Bosch MED17.7 ECU and software version 005298. This is a comprehensive high-performance calibration designed specifically for vehicles with upgraded hardware, such as performance downpipes or sport catalysts. It takes the powerful 4.0L Bi-Turbo engine to the next level of power and excitement.

Expect a dramatic increase in horsepower and torque, providing ferocious acceleration and a commanding presence on the road. The throttle response is sharpened for an instantaneous feel, and the power delivery is re-calibrated to take full advantage of the improved exhaust flow from your modifications. This is the ultimate software solution for the G-Class owner seeking the highest level of performance.

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New Tuning File Available: G-Class 400CGI — Bosch MED17.7 005298 — ECU Firmware 2708 - Stage 2 — SW: 005298 — An aggressive high-performance tune for modified vehicles.

💬 Discussion & Reviews: Mercedes-Benz 400CGI​


Welcome to the official discussion thread for the Mercedes-Benz 400CGI tuning package. This calibration is specifically developed for the MED17.7 ECU and optimized to work seamlessly with the automatic transmission.

Target Performance: 422 PS / 310.4 kW.

👇 Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!

All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.

Extended Product Information​

  • Aggressive recalibration of torque maps for maximum power delivery with supporting mods
  • Ignition timing and fuel maps extensively revised for high-octane fuel and increased boost
  • Boost control re-engineered for performance downpipes and less restrictive intake
  • Throttle response sharpened for an instant, powerful feel
  • Exhaust flap control modified for a more aggressive sound profile (optional: overrun crackles)
  • Engine protection systems (knock, EGT) recalibrated for higher performance thresholds

➜ Download Tuning File / View Full Specs
 

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