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The reversing camera on my w221 is no longer working. It started with dark display with no images when reversing gear is engaged. I took it to the stoke mercedez and they said need to replace camera. Quoted £600 to fix it.
After they have looked at it there is no longer any thing on the screen when reversing gear is engaged
I have been reading through forum to see if any one had the same issue and saw few posts. Couple of them mentioned it could be just a faulty cable and couple mentioned could be a fuse.
I had the same issue, mine was the wire had snapped near the trunk hinge, its a common fault, easy fix, there should be a DIY writeup in the forum if I remember correctly
Mine has a blank screen with the guide lines showing so it would suggest a broken cable. I set about stripping the boot interior, checked the cable and found nothing amiss. Whilst in for service at the dealers, they ran a diag on it and it showed a fault with the modulator (Part No. MA164 543 00 62/62).
Could this be the relay? (I checked the fuse behind the armrest and it seemed good) Before I shell out for a new modulator and rip the boot apart again, if it could be the relay, that would seem to be a cheaper and easier fix. (1st rule of troubleshooting - do the easiest thing first!)
I had the same issue with a blank screen and only showing guide lines so I checked the fuses and all the connections were secure. The last thing I did was take the trunk apart and that is when I found this broken wire at the ground connect base. I stripped the wire and did a reconnection with electrical tape and it works perfect again. Here are the pictures of the location of the break. Taking the trunk apart is a little tedious, but it was worth it.
Last edited by Casper 5; Dec 6, 2019 at 12:43 PM.
Reason: spelling
a later CGW update brings more diagnostics that throw a fault code when it still works... (might even need to update the camera module to get the picture to display when going back rather than when driving forwards !!!)
reading the original post, the aluminium cameras fill with water... strip the camera down carefully remove the white dust and crud, dry out for 48 hours and then put ACF 50 in there without getting on the lens or sensor. Should be good for another 10 years,
the black plastic camera on later models work, but has the pin configuration needs swapping to match the car, they get better detail and better night support but are a little grainy
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
