Anyone know the best way to get an additional CD for NAV system (S class)? Dealers only? (They don't seem to stock them) I am looking for a disk #8 (Mid Atlantic for a trip this weekend and am stymied. Thanks.

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Alan Weinschel
2001 S500 Capri Blue
2004 E320 4matic Wagon Tectite
1992 300TE 4matic Black Pearl
2000 BMW 540ia Anthracite