New test report: one of our customer has successfully corrected odometer on a Seat Leon 2015 MQB system using Xtool X100 Pad2 full version.
Note: X100 Pad2 only full version can change mileage for part of VAG MQB. Xtool EZ500/PS80 does same job.
Connect X100 pad with vehicle via OBD
Select Odometer Adjustment function->Seat->Leon->MQB (2014.06-)
Only continental and VDO are supported, and more dashboard types are under development
Turn on ignition switch but don't start engine
X100 Pad2 read current mileage which is the same as displayed on dashboard
Manually enter mileage you desired and confirm
Communicating and writing data in progress
Change mileage succeed
Check new mileage on dashboard