Re: Mercedes S-Class (1999) W220 Comand & Sat Nav Help Please....
Since you are so smart with TomTom, one would expect you to be able to read the contents of you current disc!
In the file info.txt you should find all the information you need to identify your unit
Your unit is called a Comand C which makes use of the so called TravelPilot-C or Non DX cd's
You will notice that this system was made obsolete in 1999 and the final map cd's wre published in 2006/2007
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