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Ecu failure

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Post by Reacher Sat Jan 06, 2024 4:59 pm

Sorry if this has been posted before but my ECU for my Mercedes 2019 burford failed after water got into the unit. It runs down from the windscreen down the cables and shorts the ECU. This means the van cannot start and will cost hundreds to fix. Mercedes have got a “glove” that’s supposed to help stop such a thing happening but haven’t made it a recall. Since they know about the issue I think it’s disgraceful they don’t fix it. If it fails miles from nowhere you’re stuffed. I think they changed the position of the unit from 2020 onwards but not sure. I’d check that out first as a matter of urgency
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Post by CC Sun Jan 07, 2024 10:20 am

Feel your pain, it doesn’t seem to matter who the manufacturer is these modern vehicles all seem to have their issues, they’ve become too complicated which means when they go wrong they cost a flippin fortune to get fixed, that’s if you can find anyone competent enough or even interested in fixing them, main dealers are notorious for throwing parts at vehicles and running up big bills, in my experience they are shockingly clueless.

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Post by burlingtonboaby Sun Jan 07, 2024 10:28 am

Hi Reacher
Welcome to the forum from Bridlington, sorry to read about your van problems,hope you find a solution soon.
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Post by Reacher Sun Jan 07, 2024 11:00 am

Thanks to those that replied to my woes! I got the ECU replaced and got the Mercedes boot fitted but once home did my own tweak which meant releasing the cable ties and getting the cable into the unit more below and vertical to prevent any water coming down it. There is also another control unit adjacent and i did that to it also. As a preventative future solution I also wrapped baby nappy around cables. Anyone with babies know these are highly water absorbent and  should provide some reassurance for the future!!
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Post by gemdeco Tue Feb 13, 2024 3:18 pm

Hi Everyone
               Was a recall issued for the fitting of a waterproof  cover for the ECU and it's repositioning, can some tell me what Mercedes Service Centre did the work I live local to Wallington.
                    Regards
                      Alan
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Post by Reacher Tue Feb 13, 2024 7:10 pm

As far as im aware, and i did try to get Mercedes to pay for it, they see it as a warranty issue only. In my opinion, this is a failure of design, which has been subject to recall in other design issues. The fact that they have manufactured a cover for it and redesigned future vans, confirms my thoughts
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Post by gemdeco Tue Feb 13, 2024 9:12 pm

Hi 
         I am confused did you have to pay for ECU replacement or did they do it free of charge due to poor location of the unit
                 Regards
                          Alan
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Post by asimov Wed Feb 14, 2024 4:10 pm

I had to pay, under protest!!
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