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ECU
The Bosch MED17.5.21 / MED17.5.25 is an engine control unit made by Bosch. It belongs to the Bosch MED17/ME17 VAG family. It belongs to the modern petrol generation (MED17 era) for direct-injection and turbo engines with torque-based control. In our catalogue it is fitted to vehicles from model years 2008–2021. Used in 4 engine variants from Seat, Skoda, Volkswagen.
Guide values for Stage 1 on stock hardware. Your vehicle’s product page shows the exact figures.
Visit us on site, or just send in the ECU. The work is identical, and so is the price.
Price for the software calibration. It depends on power, model year and access (OBD or bench/boot); your vehicle’s product page shows the exact price.
Vehicle variants
Open your vehicle’s page with power, stages and price. (4 models · 4 variants)
Pick brand, model and engine, and the configurator shows power, stages and price for your vehicle.
Open configuratorFAQ