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Having strange issue with my c300 2015

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Old 05-10-2020, 12:42 PM
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2015 Mercedes c300
Having strange issue with my c300 2015

Hi, all. This is my first post.

I got the battery malfunction error on my car so I ordered the voltage converter part and installed it by myself after installing the error indeed went away but my eco stop dont work and my center console button button for eco is permanently off I cant switch it on or off.. there is no green light but everytime I start my car the green center console button turns green and off it self.. any idea how to get it to work? Thanks
Old 05-10-2020, 12:49 PM
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1999 E300TD
Only correctable with a shop with BM diagnostics(XDOS)
Old 05-10-2020, 01:50 PM
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Originally Posted by Plutoe
Only correctable with a shop with BM diagnostics(XDOS)
Thanks any idea how much it will cost me? I usually go to my local mechanic for repairs.. not sure they have the xdos diagnostic tool
Old 05-11-2020, 02:45 AM
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C200 estate 2019 AMG line premium plus.
It's possible the main battery needs charging as some systems will not work when the voltage is low.

If possible take it for a long drive and then see what happens.
Old 05-11-2020, 07:28 PM
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Originally Posted by Fazlee Mf
Hi, all. This is my first post.

I got the battery malfunction error on my car so I ordered the voltage converter part and installed it by myself after installing the error indeed went away but my eco stop dont work and my center console button button for eco is permanently off I cant switch it on or off.. there is no green light but everytime I start my car the green center console button turns green and off it self.. any idea how to get it to work? Thanks
on your negative battery terminal there is a two wire plug, that controls the system. Unplug that, then plug it back in, see if that resets it. Or if you just want to disable it, you can unplug that.
Old 05-17-2020, 11:58 PM
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Originally Posted by GringoBling
on your negative battery terminal there is a two wire plug, that controls the system. Unplug that, then plug it back in, see if that resets it. Or if you just want to disable it, you can unplug that.
thank you that seems to work I just unplugged it and put it back on.. that did the trick.. now my auto start and stop works fine. Cheerz
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Old 05-18-2020, 02:56 PM
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Originally Posted by Fazlee Mf
thank you that seems to work I just unplugged it and put it back on.. that did the trick.. now my auto start and stop works fine. Cheerz
cheers
Old 05-18-2020, 02:57 PM
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Originally Posted by Plutoe
Only correctable with a shop with BM diagnostics(XDOS)
nope.
you can reset the system with the two wire harness, which he did, now it works fine.

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