NTG 4.5 / 4.7 - w204, w212, w207, w246, w176, r172, r231, w166, w156 (prefacelift 2011-2015), w463 (2011-2017)
These are the Australia/New Zealand map versions this head unit accepts. The activation code is tied to your VIN, this region and one version — it does not work on another car or another version.