Plz help i am in trouble

[dhoni]

Hi,
I have mersedeas-benz s-320 with six cylinder v engine petrol model date of manufacture ===> 2003
I scan the vechile using launch 431 gx3
3cylinder is misfire all the fuel injector wire is ok but vechile is still hunting ??????????
what i am do right now plz help thanks in advance and sorry for my english

[NZBrakelathes]

Go back to basics
Check spark plugs!
Check coils?!
Check vacuum leak?!
Maybe mechanical trouble
Check live data from O2 sensor check airflow meter live data?!

[garagetech]

Go back to basics
Check spark plugs!
Check coils?!
Check vacuum leak?!
Maybe mechanical trouble
Check live data from O2 sensor check airflow meter live data?!

It seems like airflow meter common in mercs

[NZBrakelathes]

Hi,
I have mersedeas-benz s-320 with six cylinder v engine petrol model date of manufacture ===> 2003
I scan the vechile using launch 431 gx3
3cylinder is misfire all the fuel injector wire is ok but vechile is still hunting ??????????
what i am do right now plz help thanks in advance and sorry for my english

And..........? You fixed?
Do report back plz