Here's a demo guide on change mileage on a 2014 Ford New Mondeo via Lonsdor K518ISE with color instrument by OBD.
Procedure:
Connect K518 host with vehicle via OBD diagnostic socket
Select Odometer adjustment function on main menu
Select Ford->New Mondeo->Color dash-> Odometer correction
You must backup eeprom data before mileage correction
Turn ignition to ON position
Save original mileage data to bin format
Press YES to change mileage
Enter new mileage you desired and confirm
Change km in progress...
You'll see the dashboard is in black and the yellow indicator on Lonsdor K518 programmer flashes
Odometer correction success.
Done!
Source: