Photographed Cedar Performance workstation with the bench-patch tool used for OBD unlock service

R231 / R232 / MRG1

2025 Mercedes SL OBD Unlock Patch

ECU access only. Performance tuning is sold separately.

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Model years2025

ECU identifiersMRG1

PlatformR231 / R232

ServiceRequest OBD unlock patch

2025 Mercedes SL OBD unlock patches

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