OBDSTAR X300 DP PLUS(Key master plus) tested:how to change KM on Benz A class W169 via OBD.
Connect X300 DP plus with vehicle and open x300 dp plus
On main menu, click “Diag Program”, choose “Cluster Calibrate” function and car maker “BENZ”.
Go to newest BENZ software V30.29. Choose “A-Class” and “W169”.
After that it read out old odometer value as 10015KM click “OK”button to input a new value.
Now time to input a new mileage. In this case, enter 8000
Adjustment success! Using OBDSTAR X300 DP PLUS successfully change Merceders-benz A-class W169 dashboard mileage from old 10015 to new 8000!