W177 / MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81
Mercedes A OBD Unlock Patch
Mercedes A OBD Unlock Patch service using AutoTuner Bench Patch compatibility, listed by model year, controller coverage, and request intake at Cedar.
OBD unlock catalog
Mercedes A OBD unlock patches
Open the exact vehicle page to review controller coverage and request the unlock service.
2026 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2025 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2024 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2023 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2022 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2021 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2020 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2019 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
2018 Mercedes A W177 ECU OBD Unlock Patch
MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / W177 · AutoTuner Bench Patch
ECU access coverage
Mercedes A OBD unlock details
9 vehicle listings across 2018-2026.
Controller compatibility is confirmed from the actual ECU before service.
This service is the OBD unlock patch only; any tune is selected separately.