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

X166 / X167 / MRG1 +1

2025 Mercedes GLS OBD Unlock Patch

ECU access only. Performance tuning is sold separately.

View unlock servicesBrowse Mercedes
Model years2025
ECU identifiersMRG1 / MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81
PlatformX166 / X167
ServiceRequest OBD unlock patch

2025 Mercedes GLS OBD unlock patches

2025 Mercedes GLS X166 ECU OBD Unlock Patch

MRG1 / X166 · AutoTuner Bench Patch

$200 View unlock service

2025 Mercedes GLS X167 ECU OBD Unlock Patch

MRG1 / MRD1 / MRD1.40 / MRD1.41 / MRD1.42 / MRD1.48 / MRD1.76 / MRD1.77 / MRD1.81 / X167 · AutoTuner Bench Patch

$200 View unlock service

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