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Mercedes w221, s400 hybrid 2010
21-02-2018, 11:12 AM,
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sang Offline
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YTMercedes  Mercedes w221, s400 hybrid 2010
Pls help me

i have a problem with mercedes s400 hybrid
the car dose not start
i replaced the high volt battery
the car can be started
after engine running, the error message is displayed ( see attached image)
when the error appears, the car does not charge for high volt battery

How to solve this problem ??
thanks


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21-02-2018, 11:23 AM,
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euror Offline
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RE: Mercedes w221, s400 hybrid 2010
Only these fault in BMS, any other fault?
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22-02-2018, 07:50 AM,
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sang Offline
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RE: Mercedes w221, s400 hybrid 2010
(21-02-2018, 11:23 AM)euror Wrote:  Only these fault in BMS, any other fault?

Only BMS fault, DC/DC converter, electric motor... no fault
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22-02-2018, 12:01 PM,
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euror Offline
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RE: Mercedes w221, s400 hybrid 2010
How about the internal state og SGEM?

There is a doc talking about this topic, if you have no access to the doc, let me know.
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26-02-2018, 17:35 PM,
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sang Offline
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RE: Mercedes w221, s400 hybrid 2010
(22-02-2018, 12:01 PM)euror Wrote:  How about the internal state og SGEM?

There is a doc talking about this topic, if you have no access to the doc, let me know.

internal state og SGEM IS good, it is not error
dose the any documents talk about this problem? you can let me know . thanks
the doc is wis or vdoc...?
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27-02-2018, 03:36 AM,
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euror Offline
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RE: Mercedes w221, s400 hybrid 2010
(26-02-2018, 17:35 PM)sang Wrote:  
(22-02-2018, 12:01 PM)euror Wrote:  How about the internal state og SGEM?

There is a doc talking about this topic, if you have no access to the doc, let me know.

internal state og SGEM IS good, it is not error
dose the any documents talk about this problem? you can let me know . thanks
the doc is wis or vdoc...?

Sure, PM me your e-mail address for the doc.
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19-03-2018, 06:19 AM,
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madjid78 Offline
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RE: Mercedes w221, s400 hybrid 2010
Sorry for that I interfere into your theme.But I also have a hybrid that doesn't start.There are no errors in all car, only in engineering in BMS fault 0A7F00 HYBRID BATTERY DETERIORATION.
in ME17.7 and EZS Drive Authorization ACTIVATED "NO" State
Because of this error, do not authorize?

Sorry for mistakes in language.
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19-03-2018, 09:56 AM,
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euror Offline
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RE: Mercedes w221, s400 hybrid 2010
(19-03-2018, 06:19 AM)madjid78 Wrote:  Sorry for that I interfere into your theme.But I also have a hybrid that doesn't start.There are no errors in all car, only in engineering in BMS fault 0A7F00 HYBRID BATTERY DETERIORATION.
in ME17.7 and EZS Drive Authorization ACTIVATED "NO" State
Because of this error, do not authorize?

Sorry for mistakes in language.

Check if every cell of the HV-Battery has the same voltage, in case one cell the voltage is not in range, you should replace the HV-Battery.
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19-03-2018, 13:12 PM, (This post was last modified: 19-03-2018, 16:55 PM by Clusters.)
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RE: Mercedes w221, s400 hybrid 2010
all cell 3.48 - 3.52.
in Lexus is easier, the battery without cooling and demountable. But here ..
On another forum a person with the same problem replaced the battery but is useless
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20-03-2018, 08:02 AM,
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euror Offline
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RE: Mercedes w221, s400 hybrid 2010
Also there is a test for HV-battery aging, run the test and see what's wrong.
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