Mercedes PLD Operating hours

[JFR-Tuning]

Hallo M8,

please help me to find or to change the
operating hours PLD Mercedes ECU

It have 4109,35 h
to
2128,00 h

or a tool which can read it on bench ?

[JFR-Tuning]

Now one have a damos or idea .?

we change the PLD an can read with the Mercedes Minidiag different operating Hours