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Looking for W212 color 5-ring diesel tacho dump
08-12-2017, 03:49 AM (This post was last modified: 08-12-2017 03:52 AM by jysi.)
Post: #1
Looking for W212 color 5-ring diesel tacho dump
Hi,
I have a W212 color 5-ring instrument cluster A212 900 19 14 from a 2013 E300 diesel hybride, the only difference to normal diesel is the economy meter instead of temperature on the rightmost position.

I want to convert it to normal diesel by changing the needle background, but I also need the EEPROM dump from an instrument with the same SW version such as 212 900 08 04 (Classic) or 212 900 16 14 (Avantgarde)

Does anyone have it?

Or can somebody tell address and data I need to modify in the EEPROM dump to change the meter function?

Thanks in advance!
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08-12-2017, 02:05 PM
Post: #2
RE: Looking for W212 color 5-ring diesel tacho dump
(08-12-2017 03:49 AM)jysi Wrote:  Hi,
I have a W212 color 5-ring instrument cluster A212 900 19 14 from a 2013 E300 diesel hybride, the only difference to normal diesel is the economy meter instead of temperature on the rightmost position.

I want to convert it to normal diesel by changing the needle background, but I also need the EEPROM dump from an instrument with the same SW version such as 212 900 08 04 (Classic) or 212 900 16 14 (Avantgarde)

Does anyone have it?

Or can somebody tell address and data I need to modify in the EEPROM dump to change the meter function?

Thanks in advance!

If you cant find eeprom, try first variant code all hybrid related things off.
For color 3 pod I remember temp stop working if hybrid is activated, so maybe this will fix for you...

MBRetrofitsFIN - You share, I share...
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 Thanks given by: jysi
08-13-2017, 12:31 AM
Post: #3
RE: Looking for W212 color 5-ring diesel tacho dump
(08-12-2017 02:05 PM)McDj85 Wrote:  If you cant find eeprom, try first variant code all hybrid related things off.
For color 3 pod I remember temp stop working if hybrid is activated, so maybe this will fix for you...
OK, will try that! I saw the "Hybride function" under VCD_05 but was not sure if it is enough.
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08-19-2017, 09:44 AM (This post was last modified: 08-19-2017 10:39 AM by jysi.)
Post: #4
RE: Looking for W212 color 5-ring diesel tacho dump
Below is my zeroed dump from hybride dash (KM set to FF, SSID set to FF, AMG menu set to Active).

I used Vediamo to copy the variant coding from old instrument and then used "RT_Tacho_Einlernen_Start" + reset to get the new one coded, but I still have a problem: there is no kilometers shown in the display, cluster is complaining about communication problem with engine and vice versa + driving lights stay on even I turn key to 0 position.

So if someone has an idea about the engine configuration bytes location, or the dump from a non-hybride diesel, I would be very interested

Code:
00    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
10    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
20    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
30    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
40    FF FF FF FF FF FF FF FF E8 A8 05 00 E8 A8 05 00
50    00 00 02 32 78 05 FF FF FF FF FF FF FF FF FF FF
60    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
70    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
80    00 00 00 00 80 28 80 18 26 40 E9 A9 13 00 36 C5
90    08 40 00 00 00 7A 46 B7 9D C2 7F A5 00 90 FF FF
A0    00 0E 69 91 02 00 6C 10 01 0E 69 91 02 00 6C 10
B0    FF FF FF FF FF FF FF FF 0B FF FF FF FF FF FF FF
C0    11 00 14 18 42 03 87 23 8C 02 FF FF FF FF FF FF
D0    01 F0 03 50 00 FF FF FF FF FF FF FF FF FF FF FF
E0    00 00 00 00 00 00 00 00 C0 03 FF FF FF FF FF FF
F0    FF 3C FF 3C 64 3C 01 3C 00 3C FF 3C FF FF FF FF
100    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
110    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
120    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
130    FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
140    14 00 F4 01 77 01 64 64 05 14 64 32 80 00 80 00
150    05 01 0F 40 38 00 00 0B 03 02 00 00 00 3C 00 6E
160    00 A0 00 C8 00 82 00 A6 00 FC 00 75 01 FF 01 00
170    00 3C 00 6E 00 A0 00 C8 00 AD 00 FF 00 3F 01 98
180    01 FF 01 05 66 00 00 00 00 00 02 00 00 00 3C 05
190    1E 14 3C 14 0A 10 08 14 09 00 14 C8 0A 4B FF FF
1A0    14 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1B0    00 00 00 00 0A FF FF FF FF FF FF FF FF FF FF FF
1C0    09 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1D0    60 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1E0    00 00 64 00 C8 00 00 00 D2 03 12 0A FF FF FF FF
1F0    60 64 64 64 02 10 10 10 06 01 00 00 FF FF FF FF

Since I don't have a prommer, I programmed an Arduino Nano with the code below to be able to edit the EEPROM. You can also use any other model but you have to check where the SPI pins are.

<code deleted because Sherwin doesn't think it adds value>
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08-19-2017, 10:16 AM
Post: #5
RE: Looking for W212 color 5-ring diesel tacho dump
Please do not say you programmed it if you just changed 5 lines of existing code...
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 Thanks given by: jysi
08-19-2017, 10:38 AM (This post was last modified: 08-19-2017 10:50 AM by jysi.)
Post: #6
RE: Looking for W212 color 5-ring diesel tacho dump
(08-19-2017 10:16 AM)sherwin1111 Wrote:  Please do not say you programmed it if you just changed 5 lines of existing code...

Thanks Sherwin, I take it away then. You checked that was only 5 lines?
By programming I meant after I put something together that compiles, I squeezed it down the USB cable to the chip = downloading
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Yesterday, 01:28 AM
Post: #7
RE: Looking for W212 color 5-ring diesel tacho dump
Retry: I erased whole area 0x00-0x57 and used again RT_Kombi_Einlernen_Start + hard reset

0x00-0x3F (KM value?) copied OK as before (values changed from FF to something else)
0x40-0x43 (SSID?) copied OK as before

But at the range 0x44-0x57 only one byte changed. Below is the comparison before and after learning of the IC:
Code:
Before 0x44: FF FF FF FF 00 00 00 00 00 00 00 00
After   0x44: FF FF FF FF 00 00 00 00 00 00 00 00

Before 0x50: 00 00 02 00 00 00
After    0x50: 00 00 03 00 00 00
Is this the problem?
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Yesterday, 03:39 AM
Post: #8
RE: Looking for W212 color 5-ring diesel tacho dump
OK. Got it working. Thanks for all for help!
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Yesterday, 09:51 PM
Post: #9
RE: Looking for W212 color 5-ring diesel tacho dump
if eeprom still need write pm to me

Mercedes Benz

W212 E500, W208 Carlsson 6.0 supercharged Big Grin

Speak: German, English and Russian
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