ML350 - Fault Code -102100 - Mercedes-Benz Forum
 
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post #1 of 10 (permalink) Old 07-26-2019, 06:35 AM Thread Starter
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ML350 - Fault Code -102100

Hi guys,

Looking for advice please.

To cut a long story short...

-Bought a 2012 ML350 BlueTech
-Had it remapped
-Engine warning light came on
-Took it back to remap company
- This is the code - 102100
- He told me this is a battery capacity issue - battery test said running at 30%
- Removed code and discussed ordering a new battery
- I drove 150miles to my parents
- Code came on again
- Local mechanic thinks, Merc need to have it
- Local mechanic said battery test said 80% ok

I can find the code online listed as - 102100 / 'Control module has an internal error' But is this a genuine battery issue or something more serious due to the remap?

Thanks guys and gals for your responses.

Dan
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post #2 of 10 (permalink) Old 07-26-2019, 09:28 PM
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What the heck does "remap" mean?
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post #3 of 10 (permalink) Old 07-28-2019, 01:52 PM Thread Starter
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Remap = Chipped...

Any thoughts on the actual problem?

Cheers
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post #4 of 10 (permalink) Old 07-28-2019, 02:01 PM
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Quote:
Originally Posted by Mooses320 View Post
Remap = Chipped...



Any thoughts on the actual problem?



Cheers
You chipped your car and are now having engine computer fault codes. Pretty evident.

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post #5 of 10 (permalink) Old 07-29-2019, 02:23 AM
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Originally Posted by WE47B1ME View Post
You chipped your car and are now having engine computer fault codes. Pretty evident.

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Makes good sense.


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post #6 of 10 (permalink) Old 07-29-2019, 02:28 AM
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ML350 - Fault Code -102100

Quote:
Originally Posted by Mooses320 View Post
Remap = Chipped...



Any thoughts on the actual problem?



Cheers


Is it a plug n play type chip or has someone rewritten your ECU?
I have a race chip from UK in my 500 that boosts it by 84kw but it has a plug I can disconnect it an put the engine back to original for fault finding.


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Last edited by mattml430; 07-29-2019 at 02:34 AM.
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post #7 of 10 (permalink) Old 07-29-2019, 03:23 AM Thread Starter
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It's a full ECU programme for the car not a plug and play if this makes a difference?

Thanks
Dan
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post #8 of 10 (permalink) Old 07-29-2019, 03:26 AM
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ML350 - Fault Code -102100

Quote:
Originally Posted by Mooses320 View Post
It's a full ECU programme for the car not a plug and play if this makes a difference?



Thanks

Dan


I would be getting them to put it back to normal and see if it gets rid of the code.
Your very game doing what youíve done. There is no way I would rewrite the ECU. Is it a tried and tested tune?


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post #9 of 10 (permalink) Old 07-29-2019, 03:35 AM Thread Starter
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Yeah it's a tried and tested remap.

I've had a new battery fitted today, if the warning code comes on again I will have the remap taken off and back to standard.

Any knowledge of the actual fault code - 102100 ??

Thanks
Dan
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post #10 of 10 (permalink) Old 07-29-2019, 03:44 AM
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Quote:
Originally Posted by Mooses320 View Post
Yeah it's a tried and tested remap.



I've had a new battery fitted today, if the warning code comes on again I will have the remap taken off and back to standard.



Any knowledge of the actual fault code - 102100 ??



Thanks

Dan


No Iíve never heard of it.
All I can find is a control module has an internal error.
Get them to erase it and reload it. Maybe something went wrong loading it. These cars do need good power but normally the first thing to give you problems with a low battery is shifting from park to drive.


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