Cedar PerformanceECU / DME tuning
Photographed Cedar Performance workstation with the bench-patch tool used for OBD unlock service

W205 / W205-FL / W206 +3

Mercedes C OBD Unlock Patch

ECU access only. Performance tuning is sold separately.

Model years2014-2026
ECU identifiersC450 / AMG / MRG1 / MRG1 +1
PlatformW205 / W205-FL +1
ServiceRequest OBD unlock patch

Mercedes C OBD unlock patches

2026 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2026 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2026 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2024 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2024 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2024 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2023 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2023 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2023 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2022 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2022 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2022 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2021 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2021 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2021 Mercedes C W206 ECU OBD Unlock Patch

MRG1 / W206 · AutoTuner Bench Patch

$200 View unlock service

2020 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2020 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2019 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2019 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2018 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2018 Mercedes C W205-FL ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / OM654 / W205-FL · AutoTuner Bench Patch

$200 View unlock service

2017 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2016 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2015 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service

2014 Mercedes C W205 ECU OBD Unlock Patch

C450 / AMG / MRG1 / W205 · AutoTuner Bench Patch

$200 View unlock service