Manufacturer DTCs

Mercedes B3009 – DME: Emission control fault

Emission control fault

Details

Mercedes B3009 error indicates emission control fault. Catalyst issue, EGR problem.

Error typeemission
MeaningEmission control fault
Typical causesCatalyst issue, EGR problem
SolutionsCheck emission components
SeverityMedium

Catalog references

Where this appears

Mercedes-BenzB3009

Utilities

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Troubleshooting steps

Check emission components

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FAQ

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What does B3009 mean on Mercedes?

B3009 on Mercedes indicates emission control fault.

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