DO I NEED TO UPDATE MY 1/03 CD-ROM

[albertsl500]

I"m still using my original navigation disk that came with my 03 SL-500. What changes will i see with a newer update? Is the update for new roads and businesses or does it change the way the nav system operates. I'm wondering if its worth the 275 bucks the dealer wants to use one of 10 disks the set includes(i live in south florida) with no use for the remaining cd's. Thanks for your comments.

[Jayhawk]

You definitely want to update your CDs. They continue to work in our COMAND/NAV systems, but new roads, business, restaurants, etc. will be on the 1/07 CDs. And I am sure a lot has changed in the last four years.