Fabspeed ECU Tuning Service for Mercedes-AMG GT M178

Send the original AMG GT M178 ECU for a calibration matched to the actual GT derivative. This 4.0-liter V8 bench service is separate from the broader M177 AMG 63 listing. Fabspeed Motorsport, based in Fort Washington, Pennsylvania, develops exhaust systems, air intakes and ECU tuning for sports cars including Porsche. Its development work uses dynamometer testing, road evaluation and racetrack testing.

Technical Details

• Manufacturer product reference: FS.MER.M178.ECU.
• M178 4.0 twin-turbo V8 applications specified.
• GT / GT S / GT C and GT R use different original calibrations.
• Manufacturer output claims are stated at the crank, not at the wheels.
• Requires ECU shipment and complete fuel/hardware information.
• Confirm current turnaround, freight and stock-file restoration process.

Use restrictions

The calibration must retain required emissions controls. Fabspeed excludes requests to disable emissions equipment or its monitoring.

Installation Resources

• ECU Tuning Information - Bench Flash (PDF)

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Fitment & Compatibility