E 320 BLUETEC (211.022) V6-3.0L DSL Turbo (642.920) (2007)
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If you receive customer reports in the above model vehicles of Diagnostic Trouble Codes (DTC) faults (listed above) related to the hot film mass air flow
sensor (HFM) and/or intake air temperature sensor which are stored in the fault memory of the CDI4 / CDI5 engine control unit. This may be caused by
air leakage in the following areas:
