Thanks. I'm surprised by the MB nav detail problem. We have a 2004 Mini Cooper S with DVD navigation that is superb. It knows all the back roads around here. I've used Navtech marine products have have generally liked them. To me the benefit of GPS nav is when I'm off the main roads not when I'm cruising the interstate. I'll figure something out.

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Bart

2002 ML500, 2009 CLK350 Cabriolet
93 300D 2.5 Turbo 265,000 Miles (Sold - bad idea)