v12 sat nav disc

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flt.eng

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Joined
Oct 20, 2010
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209
Location
Nr. Tewkesbury
Car
E320 avantgared
Does the V12 disc for ntg1 support 7 digit post codes
 
I've just installed v11 in mine, having updated the firmware a month or two back. I've not used the car since installing v11, so does anyone know if this would have overwritten the firmware update please?
 
On NTG1 The map disk contains firmware for the Navigation processor only. Head unit updates are done from the DVD drive that is part of the Head Unit. The other control units (AGW, phone controller, etc) are done via Star Diagnosis, sometimes with additional special equipment.

On NTG2 the drive in the headunit is used for Navigation processor, so the map disk contains navigation processor and head unit firmware.

Richard
 
Thanks Richard. Naively, I've never really thought of the nav processor as being much more than a dvd reader, but the more I read about COMAND, the more I shudder at the complexity!
 
Hi can anyone advise what firmware update I should use on a 2004 w220, there doesn't seem to be an obvious choice on the MB tech update website
 

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