NTG 5*2 / 5 - w222, w217, w205, w257, w447, r190, w470, w253 (all prefacelift)
These are the Australia/New Zealand map versions this Mercedes head unit accepts. The activation code — the map PIN — is tied to your VIN, this region and one version: it does not work on another car or another version. These are map updates. A region change requires a separate process with a diagnostic device, and it is not a service we currently offer.