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

R231 / R232 / MRG1

Mercedes SL OBD Unlock Patch

ECU access only. Performance tuning is sold separately.

Model years2013-2026
ECU identifiersMRG1
PlatformR231 / R232
ServiceRequest OBD unlock patch

Mercedes SL OBD unlock patches

2026 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2026 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2024 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2024 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2023 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2023 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2022 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2022 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2021 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2021 Mercedes SL R232 ECU OBD Unlock Patch

MRG1 / R232 · AutoTuner Bench Patch

$200 View unlock service

2020 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2019 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2018 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2017 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2016 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2015 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2014 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service

2013 Mercedes SL R231 ECU OBD Unlock Patch

MRG1 / R231 · AutoTuner Bench Patch

$200 View unlock service