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Mercedes Benz
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2012
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R 350 4MATIC (251.157) V6-3.5L (276.958)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P0511
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P051136
P051136
The idle speed control has an electrical fault. The signal frequency is too low.
This error code can be ignored and erased.
This error code can be ignored and erased.
End of test
Result: