Sunday, October 17, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 779


- Check seal of component B2/5 (Hot film mass air flow sensor) with air filter for cracks.



Note



- Proper sealing between the air cleaner housing and the housing of the HFM mass air flow sensor must be assured.



End of test



1.1.3. Inspect air cleaner housing.



Possible cause and remedy



- Inspect air cleaner housing for correct installation.



Note



- Proper sealing between the air filter housing and the housing of the HFM mass air flow sensor must be guaranteed (the gasket surface must not



be cracked).



End of test



1.1.4. Check component G3/4 (Right O2 sensor, before TWC [KAT]).



Warning!Communication with ECU required.

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