Doing it next week. List price here in NL is EUR 345. Found two dealers who would do it for EUR 299, one of them dropped to EUR 249 if already had a recent enough version installed (version 70+). May be worth some calls if you have multiple dealers within range.
Although the Mazda nav is pretty good (here in NL anyway), I prefer the CarPlay experience where I can easily switch to my podcasts, music, etc. (Our other car - an Ioniq has CarPlay). Mazda may be able to play all those too, but it's an additional hassle which you don't have to got through with CarPlay or Android Auto.