2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0515 3/5 (Left O2 sensor, after TWC AT) : Aging (P0159) Possible cause: - / (Left sensor, after TC KAT) Affected functions: - Engine diagnosis - Ehaust system ------------------------------------------------ Test 1: Check component / (Left sensor, after TC KAT). 1. Check component 3/5 (Left O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
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