CD vs DVD
I'll bet your Nav Discs on the MB are CD's, not DVD like for the XLR.
My 2000 Lincoln Navigator had navigation, but it was CD based, and you had 11 discs (regions) to cover the USA.
The DVD for the XLR has it all on one disc because of the larger capacity of a DVD.
I'll bet your Nav Discs on the MB are CD's, not DVD like for the XLR.
My 2000 Lincoln Navigator had navigation, but it was CD based, and you had 11 discs (regions) to cover the USA.
The DVD for the XLR has it all on one disc because of the larger capacity of a DVD.