E-Class (W212) 2010 - 2016: E 350, E 550
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Old Dec 26, 2024 | 05:08 AM
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I need help please 😭

My car is w212 E 2011. ( WDD2120051A523624
) I had a red light battery wearing and the car stopped i went to mechanic and he told me the problem at the alternator and i bought new one and he changed it car was working fine for two weeks then i got the same wearing again i took it to another work shop they informed me that the alternator working fine but maybe maybe the problem in the charging circuit and they don't have the wiring diagram for my car . I don't have more options because i am living in small city could anyone please provide me with the wiring diagram of the charging circuit from charger to the the battery

Last edited by Mounir 200; Dec 26, 2024 at 06:18 AM.
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Old Dec 26, 2024 | 05:46 AM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
Your VIN is a W205 C Class, not W212 E class.

FIN WDD2050361F156209
Model C 180 BLUETEC
Engine 626951 F0 007389
Transmission 722993 08 016800
Order Number 0 4 529 63782
Order Location FINLAND

The Mercedes 626 engine is a 1.6 liter, diesel, straight block engine. It is also known as the OM626.951 engine.
Wow, I never knew there is such an engine number for diesel and at 1.6L.

Wrong VIN you posted ?



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Old Dec 26, 2024 | 06:20 AM
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You are right

Originally Posted by S-Prihadi
Your VIN is a W205 C Class, not W212 E class.

FIN WDD2050361F156209
Model C 180 BLUETEC
Engine 626951 F0 007389
Transmission 722993 08 016800
Order Number 0 4 529 63782
Order Location FINLAND

The Mercedes 626 engine is a 1.6 liter, diesel, straight block engine. It is also known as the OM626.951 engine.
Wow, I never knew there is such an engine number for diesel and at 1.6L.

Wrong VIN you posted ?
Yes sorry i posted wrong VIN number the right number is WDD2120051A523624
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Old Dec 26, 2024 | 06:52 AM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
This post has all the wiring you need for OM651 diesel powered W212 E200 CDI, post no 2
https://mbworld.org/forums/e-class-w...ml#post8811818

Good luck........
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Old Dec 26, 2024 | 07:09 AM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
I need to add, just in case ur techy at the workshop is not familiar with MB cars.

Your car is a B03 Start Stop, so always choose the section of the wiring diagram, where when B03 is mentioned.
W212 cars has so many engine variants and many countries final destination, thus the wiring diagram need to be read very carefully to make sure choose the section which fits your car,
by market/region, by engine and what other special cases.....because the wiring diagram is not truly dedicated to only 1 market.

Take note of the ACTUAL year of production of your car,
---> 05/10 means up to May 2010
06/10 ---> means June 2010 and up
Since ur car is a 2011 , you use the section showing 06/10 ---> means after June 2010.

Ur car data :
Release Date 2011-09-30
Delivery Date 2011-10-06

Urs is 802 , which means 802 - CHANGE OF MODEL YEAR, THE LAST FIGURE SHOWING THE NEW MODEL YEAR
Usually 802 information is needed when using EPC ( spare part catalog ).

Attached ur data card
Attached Files
File Type: pdf
WDD2120051A523624.pdf (53.6 KB, 45 views)

Last edited by S-Prihadi; Dec 26, 2024 at 07:10 AM.
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Old Dec 26, 2024 | 07:11 AM
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Thank you

Originally Posted by S-Prihadi
This post has all the wiring you need for OM651 diesel powered W212 E200 CDI, post no 2
https://mbworld.org/forums/e-class-w...ml#post8811818

Good luck........
Thank you i will send it to the work shop i hope they can fix it
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Old Dec 26, 2024 | 07:35 AM
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Originally Posted by S-Prihadi
I need to add, just in case ur techy at the workshop is not familiar with MB cars.

Your car is a B03 Start Stop, so always choose the section of the wiring diagram, where when B03 is mentioned.
W212 cars has so many engine variants and many countries final destination, thus the wiring diagram need to be read very carefully to make sure choose the section which fits your car,
by market/region, by engine and what other special cases.....because the wiring diagram is not truly dedicated to only 1 market.

Take note of the ACTUAL year of production of your car,
---> 05/10 means up to May 2010
06/10 ---> means June 2010 and up
Since ur car is a 2011 , you use the section showing 06/10 ---> means after June 2010.

Ur car data :
Release Date 2011-09-30
Delivery Date 2011-10-06

Urs is 802 , which means 802 - CHANGE OF MODEL YEAR, THE LAST FIGURE SHOWING THE NEW MODEL YEAR
Usually 802 information is needed when using EPC ( spare part catalog ).

Attached ur data card
Thank you so much
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Old Dec 26, 2024 | 01:47 PM
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Was the battery checked at the time the alternator was replaced? A bad battery can cause an alternator to fail because it overloads the alternator. If the battery is weak or failing, it can cause a new alternator to fail, as well.
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