E-Class (W212) 2010 - 2016: E 350, E 550

2010 e350 Heated Seat Repair

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Old 12-15-2014, 03:06 PM
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2010 e350
I thought about the extended aftermarket warranty, but I decided against it.
I hope that doesn't bite me in the @ss later. In this case I would have saved my time on the labor but still paid the deductible which probably would have been more than the part.
Old 12-15-2014, 04:21 PM
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2010 E350 4Matic
My Driver's seat would not heat in the center either!

I own a 2010 Mercedes Palladium Silver E-Class 350 with 40K I bought in the last week of October 2014. It has all the options along with Distronic. I had the car into service last week for air leaks and unbalanced tires but I mentioned to the Service Manager about the seat not heating correctly. He said, "we checked it and Yes, there is a voltage drop", so they are going to replace the heating element. I heard where other MB owners had the complete bottom changed out? Well, they haven't called yet on the parts being in so...........the saga continues! I am glad seeing the post of MB World to check my seats out! There were quite a few MBs out there with BAD Driver's Seat Heating elements!

Last edited by toledotom; 12-15-2014 at 04:24 PM.
Old 12-16-2014, 09:15 PM
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I feel like it still heats up this year but it's slower or maybe it doesn't get as hot. Same thing as the rest of you, the center bottom part under the flat cushion. Both seats seem to warm up but it takes a long time and they don't seem to be as hot as the other parts of the seat that are being warmed.
Old 12-16-2014, 09:18 PM
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2010 e350
My new element really is nice.
So glad I swapped it out.
Gets nice and warm quick.
Old 10-25-2015, 08:10 AM
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I ordered one today from ecs tuning. I stuck it out through last winter without fixing it, but the weather is cooling off again and it's something I want to have ready by the end of November. I'll probably try to do it myself, but may call my Indy to see what they quote. Any good advice that's not in here for diy would be much appreciated. Thanks!
Old 12-15-2015, 10:09 PM
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2001 E320, 2010 E350 Sedan, 2009 E350 Wagon, 2014 E350 Coupe, 2015 ML 350
My drivers seat is definitely broken... seems to be a common problem on early W212s? Think MB will pay for it under good faith?
Old 12-15-2015, 10:15 PM
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2010 e350
Theres a few PDFS attached on this one that aid in the job.

http://www.benzworld.org/forums/w210...er-repair.html

as I remember it was a little tricky getting the cover back onto the seat frame. You have to work the edge around.

My cover is now ripped like everyone elses crappy MB Tex.
I haven't ordered a new cover yet.
Old 01-17-2017, 02:35 PM
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2010 e350 4matic w212
Not impressed by ECS

Originally Posted by sghokie
ECS posted pics of the part.
http://www.ecstuning.com/ES1846025/
I assume they didn't ever have one to take pics of until they received the one I ordered.

I notice that the wire routing looks different than mine. Maybe they updated it so it doesn't break as easy.
i used live chat on the ECS site to ask about 2 parts, the drivers seat bottom heat element and passenger side mirror glass. They tried to sell me mirror glass that does not fit my car and told me I do not have heated seats. I drove it this morning and noticed the drivers seat is nowonly heating the back. Not impressed with them, be careful if you order from them.
Old 01-18-2017, 10:27 AM
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Originally Posted by sghokie
Theres a few PDFS attached on this one that aid in the job.

http://www.benzworld.org/forums/w210...er-repair.html

as I remember it was a little tricky getting the cover back onto the seat frame. You have to work the edge around.

My cover is now ripped like everyone elses crappy MB Tex.
I haven't ordered a new cover yet.

you disassembled the seat and took the leather cover off? how did that go? any tips or tricks?

Edit, thanks for the link. took a quick look and it has some good info.
Old 08-08-2018, 04:48 PM
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W212
How to disconnect the seat heater wire/connector ?

Hello,
I tried to pull out the connector to disconnect the heater wire so I can remove the cushion, but I was not successful. Any tips on how to disconnect or unclip? thanks.

Originally Posted by sghokie
Well I found this site.
http://www.benzworld.org/forums/w210...er-repair.html
It isn't quite the same as mine though.

Basically you get the seat out of the car and then unclip the wires that feed into the seat heater under neath. Pry the surround edges of the cushion off and take it off. You need to then pop loose the clips that hold the leather or pleather in my case cover to the foam, I couldn't figure out how to get loose some of the clips on one side, so I just unclipped the blue ones and was able to flip over the cover and have access to the heater element. You can then peel away the edge off and slide out the old heater. Looks like the new one has an adhesive strip to attach the edge to the seat cover. If I had the part on had when I took it apart the other day I don't think it would have taken me but like an hour and a half to do the whole job.
Old 10-26-2018, 02:09 AM
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2011 W212 E350CDI Blueefficiency
Hi! I have the same problem with my w212 2011.
Can you tell me the part number of the heater(s) for the driver seat, please?
Thank you!
Old 10-26-2018, 01:25 PM
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VIN?
Old 10-29-2018, 03:09 AM
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2011 W212 E350CDI Blueefficiency
WDD2122931A434575

Sorry for the late response!
Old 10-29-2018, 08:47 AM
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Attached Files
File Type: pdf
WDD2122931A434575.pdf (73.5 KB, 145 views)

Last edited by konigstiger; 10-29-2018 at 08:49 AM.
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Old 10-29-2018, 10:37 AM
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2011 W212 E350CDI Blueefficiency
konigstiger i have a question - I found this part nuber on ebay A2128202298 It's described as the heater for the seat for W212. How/ is it possible those two numbers( A212 906 40 02 and A212 820 22 98 ) to be for the same part?
Old 10-29-2018, 03:16 PM
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Originally Posted by harati
How is it possible those two numbers( A212 906 40 02 and A212 820 22 98 ) to be for the same part?
2129064002 = current part # for seat bottom, 2128202298 = seat back.

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Old 04-12-2024, 07:01 PM
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2009 C200, 2009 AMG E63
Drivers seat not heating

Hi guys, I have the same issue with my W212 2009 E63.
@konigstiger Could you please check the part number for my drivers seat.
VIN: WDD2120772A114794
Thanks in advance.
Stephen.

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