Live Data/ Data Stream in scan tool not move...

Hello everyone, im from Indonesia... I meet some issue with mercedes V Class (638) when i look Live Data in Engine (Engine RPM, Engine Temperature, Fuel Pressusre etc), i have use 3 scan tool and this the result : 1. Autel Maxipro : Can read DTC but nothing Live Data/Data Stream (Engine RPM, Engine Temperature etc) 2. Gscan2 : Can read DTC and show Live Data/Data Stream but Data not move 3. Lunch : Can read DTC and show Live Data/Data Stream but Data not move But, when i look Live Data in... Live Data/ Data Stream in scan tool not move...

Hello everyone, im from Indonesia... I meet some issue with mercedes V Class (638) when i look Live Data in Engine (Engine RPM, Engine Temperature, Fuel Pressusre etc), i have use 3 scan tool and this the result :

1. Autel Maxipro : Can read DTC but nothing Live Data/Data Stream (Engine RPM, Engine Temperature etc)
2. Gscan2 : Can read DTC and show Live Data/Data Stream but Data not move
3. Lunch : Can read DTC and show Live Data/Data Stream but Data not move

But, when i look Live Data in...

Live Data/ Data Stream in scan tool not move...

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