Reverse camera loses image after a few seconds

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alanp10

New Member
Joined
May 6, 2017
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6
Car
Mercedes CLS 320cdi W219
I just installed an aftermarket reverse camera into my 2013 c250 cdi Amg sport. The camera shows a clear image for a few seconds then the image disappears and the screen goes black. The car has Comand and is ntg 4.5. I don,t understand why the image just disappears even though the car is still in reverse gear. I wired the positive to the reversing light wire with a connector and the earth into the same earth as the fuse box. Any help would be appreciated thanks.
 
Are there just the two wires to the camera?
If you put a test light on the reverse wire at the cam does it stay live in reverse?
What are you using to display - a dedicated display or the comand screen?
 
Are there just the two wires to the camera?
If you put a test light on the reverse wire at the cam does it stay live in reverse?
What are you using to display - a dedicated display or the comand screen?
Hi thanks for your reply. Yes there are two wires to the camera. I did test the reverse wire before and it was fine but I haven,t tested it once the screen goes black so I,ll do that today. THe display is on the comand screen and is really goos for a couple of seconds before going black. I,ll try the test once the screen goes black.
 
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I know that comand has to be coded to display the reverse cam. Although it’s showing for a second it could be that.
 
Thanks for that. From what I read, with ntg4.5 it shouldn,t need to be programmed but maybe it does. As you say, that could explain why the image disappears quickly.
I have now tested the camera with reverse gear and it does still show 11.7v when the image becomes black. Maybe that voltage isn,t sufficient?
 
I would say that is definitely enough voltage 👍🏻👍🏻
 
I would say that is definitely enough voltage 👍🏻👍🏻
Thanks for that. I,m stumped!
 

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