Mercedes C43 AMG W205 Lambda OFF ECU Software
MED17.7.3.1 O2 Sensor Disable Tool

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Professional Lambda OFF software developed exclusively for Mercedes C43 AMG W205 running MED17.7.3.1 ECU.
This solution:

• Disables post-cat O2 sensors
• Stops Lambda-related DTCs
• Prevents limp mode
• Supports tuning & downpipes
• No wiring, no simulator — pure software fix

Perfect for performance builds, downpipe upgrades, or track use.
​Fully tested & verified.

Mercedes C43 AMG W205 MED17.7.3.1 Full Lambda OFF Tool

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