The only option for Mercedes’ Edition 463 is G63/G65. G63 is priced at 16,124 EUR (including VAT) Wheels with black finish are an additional 898 EUR.

Front under-panel and door decoline.
​ ​Exclusive 21 inch wheels
Two-tone dashboard
​ ​Both sides of seat finished in carbon print leather
​ ​Upper door lining is carbon leather in the same way.
​ ​Carbon designed on the instrument panel and meter.

There's still no announcement in Japan but maybe it will be a limited-edition.