GL 320 CDI (164.822) V6-3.0L DSL Turbo (642.940) (2008)
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: