Sat Nav update...

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hartnoll833

New Member
Joined
Jun 13, 2020
Messages
6
Location
Alva, Clackmannanshire
Car
Mercedes C250 CDI
Hi Guys,

I've got a 2009 C Class W204, I believe its the pre facelift, correct me if I'm wrong?

I'm looking to update the Nav but I do not want to pay Mercedes a stupid price, How can i find out what model the Nav is and any idea how i can do a self update if that's possible?

Thanks in Advance
 
Your pre-facelift W204 will have either COMAND NTG4, or Audio 20 with the optional Navigation 20 module.

If the car had COMAND, then the good news is that updating the maps is quite simple, all you need do is purchase the latest DVD set and load the maps to the internal HDD.

The only thing to look for is that the DVD set you buy is genuine MB, because some of the copied/burnt DVDs sold on eBay are of poor quality and can damage your optical drive.
 
See for example:


But note the comment regarding the car's build date.
 

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