UMI disappeared when retrofitting Comand Ntg4

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patriani

New Member
Joined
Aug 15, 2014
Messages
3
Car
2011 220 CDI GLK 4 Matic
Hello,

First of all apologizes for very bad english. I'm living in Corsica and not very easy english language forums.

This is my problem: i've bought a 2011 c220 cdi Glk fitted with an aps 50 and little 5 inches screen. UMI connected (Usb, ipod..a.s.o)
I asked to a local auto tech (No MB) to install an Ntg4 with 7"screen and a rearview camera.

All is ok. But UMI "disappeared". I looked into ingeneer mode but...don'understand anything...
Is there a problem with an unplugged cable? UMI cable in the Can Bus?
He said to me (without unmounting head unit) that the connections are ok. The only difference is the camera plugged into the green fakra all other cables are in Most (???)

Somebody to help me?
Thanks a lot.
 
Thanks for reply Dennis TheMenace,
I already asked this for the local dealer and he refused because VIM number not according with HW number.
 

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