As a gesture of «good will» the manufacturer will replace defective drives autofocus in some lenses of the Leica S system
Leica has picked a reliable replacement of defective drives auto focus used in which the lens of the medium format system Leica S. the Defect, which was known for quite a long time, completely disrupt the auto focus system.
According to the manufacturer, as a gesture of goodwill, he is willing to replace for free defective drives in the lenses that were purchased in the last five years and stopped working. If the drive works, it can also be replaced with a new one, but for a fee — about $400. After the replacement warranty on the lens is extended for one year.
Verify that free drive can be replaced before, but then the manufacturer put the same exact drive, and now a new, more reliable.
Source: DP Review