Good news! CG100X programmer next update will add VAG MQB 5C Cluster mileage correction function.
Next update will following 5C clusters
VAG MQB R7F701401 (both 5A and 5C clusters)
VAG MQB R7F701402 (both 5A and 5C clusters)
VAG MQB R7F701407 (both 5A and 5C clusters)
Need to use D1 adapter and remove capacitors.
NOTE: CG100X only does mileage function. It will not decode immo data.