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Hi i have a mercedes w211 07 plate and a kenwoon DNX8220BT with the Kenwood reverse camra Installed.
The camra works fine when you put the car in reverse, but on the kenwood DNX8220BT if you press the nav button for more than a second or two the rare view camra come on the screen. spoke to the installer and kenwood they cannot help much they are confused as to why this does not work.
This has been an on going issue for 5 months. Can anybody sugest anything to help.
the problem is the reverse camra will work when you put the car into reverse no problems. That is becasue power to the reverse camra comes on when the power to the reverse lights is on, and that is when you put the car in reverse. well this is fine.
But there is no power going to the camra when in drive or in nutral or park and when you hit the nav putton for more than 2 seconds you just get the blank screen and no view.
you could give the camra a constant power but this might run the battery flat when parked etc.
So we are looking at a way to keep the reverse camra working when in reverse and working when not in reverse.
I think other cars might have power going throgh the reverse lights alll the time and mercedes only sends power to the reverse lights only when the car is put in reverse which makes sence but puts this function out which is very useful to me. I hope someone on the benzworld.org has had this issue or has more experinace in electronics than me. thanks for reading and hope you could help.:surrender::surrender:
 

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Always Remembered RIP
2015 ML 400 x 2
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Welcome to the forum.

The model specific pages will help with tech questions.
 

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1983 300D Turbo Diesel
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Welcome to Benzworld!
 
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