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

W 212 Heated MBtex seat issue

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Old 03-12-2015, 01:15 PM
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2014 E 350
W 212 Heated MBtex seat issue

Has anyone else have this happen? 2014 with 4750 miles. To me it appears to be a heating element burn. If you look close you can see it starting on the lower section also. I have an appointment for them to "Look" to see if it is a warranty issue. It better be.

Old 03-12-2015, 01:40 PM
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Can't be an issue with the MBtex. That stuff is the miracle product of the Millennium.
All joking aside, that looks like crap and I was unaware that the seat heater went that high up the back. Do you have the drive dynamic seats? Use the massage function a lot?
Old 03-12-2015, 02:02 PM
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Sorry to see, I am surprised the element is up that high as well as I do not feel heat there on mine.


I have no issues at all, my heaters work great. With black seats I am not sure I would see anything anyway.
Old 03-12-2015, 02:25 PM
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Originally Posted by KEY08
Can't be an issue with the MBtex. That stuff is the miracle product of the Millennium.
All joking aside, that looks like crap and I was unaware that the seat heater went that high up the back. Do you have the drive dynamic seats? Use the massage function a lot?
NO massage function.
If not heating element.... Springs???
It is not affecting passenger seat yet. I used to be a mechanic in the 80's I expected stains on my truck seats. Whatever this is does not come off. I tried warm lightly soapy water and lexol for vinyl.
Old 03-12-2015, 02:27 PM
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Originally Posted by beshannon
Sorry to see, I am surprised the element is up that high as well as I do not feel heat there on mine.


I have no issues at all, my heaters work great. With black seats I am not sure I would see anything anyway.
Not sure what it is, but you can clearly see a pattern. To tell you the truth I did not notice pattern until I took photo. It originally looked like just vertical stripes. They are picking it up on Tuesday next week.
Old 03-12-2015, 02:40 PM
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It could be much much worse. Check out this thread on the MBtex in the new C class. Bleeding seats.

https://mbworld.org/forums/c-class-w...x-problem.html
Old 03-12-2015, 03:09 PM
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Originally Posted by KEY08
It could be much much worse. Check out this thread on the MBtex in the new C class. Bleeding seats.

https://mbworld.org/forums/c-class-w...x-problem.html
Thanks. I saw that. Leather only for now on. This is our first Mercedes and I guess I did not know any better.
Old 03-12-2015, 03:14 PM
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Pattern resembles seat frame (300 in diagram). Warranty should cover repair/replacement.

600 seat surface cover
460 & 470 heating
500 multi-contour
380 rest
300 frame assembly
630 rear shell
650 rear cover
Attached Thumbnails W 212 Heated MBtex seat issue-capture.jpg  
Old 03-12-2015, 03:24 PM
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Originally Posted by konigstiger
Pattern resembles seat frame (300 in diagram). Warranty should cover repair/replacement.

600 seat surface cover
460 & 470 heating
500 multi-contour
380 rest
300 frame assembly
630 rear shell
650 rear cover

Thanks,
Great but what is the cause???
Old 03-12-2015, 03:27 PM
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May be defective or inadequate rest (380).

Last edited by konigstiger; 03-12-2015 at 03:54 PM.
Old 03-12-2015, 03:56 PM
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That's weird. Some contaminate leeching thru your seat? Some metal part getting magetized and attracting/holding dirt? I don't know.

Can you feel the pattern?
Old 03-12-2015, 04:04 PM
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for the record, heated seats will cause any seat leather/carpet/vinyl to tear and deteriorate faster, but it will NOT look like that;

Thats oddd; on the back like that too... Mine has a rip in the first line on the seat to the back, and its probably from the heated seats. no biggie; chairs get worn, ill pay to fix it if i haveto. My friends acura has alot of damage from a heated seat mechanism and its leather. Doubt its industry unique to mb either.

however that coil thing on the back is whacko.

old mb leather was not better. it was/is way more touchy to clean with any products and fades in sun and wrinkles easily. Old mbz not taken care of look terrible

however, a 30 year old benz with proper care and keeping will look lush.
Same goes for any seat

Last edited by Trancebolt; 03-12-2015 at 04:06 PM.
Old 03-12-2015, 04:06 PM
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looks like you're getting a new seat coverings to me
Old 03-12-2015, 04:28 PM
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When I zoom in on your photo, it looks like there is a lot of "color" transfered onto the MBtex. Kind of like when people wear new unfaded jeans on light colored fabric. Some of it comes off onto the seat and will not come off. Or like rubbing a graphite pencil over a piece of paper trying to transfer a name from the Viet Nam Memorial Wall. You get my drift. Looks to me like a color transfer from clothing. I can see it on the center panel as well.
Old 03-12-2015, 05:16 PM
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Originally Posted by KEY08
When I zoom in on your photo, it looks like there is a lot of "color" transfered onto the MBtex. Kind of like when people wear new unfaded jeans on light colored fabric. Some of it comes off onto the seat and will not come off. Or like rubbing a graphite pencil over a piece of paper trying to transfer a name from the Viet Nam Memorial Wall. You get my drift. Looks to me like a color transfer from clothing. I can see it on the center panel as well.
What you're saying that it our new clothes got heated up by the heated seat and left some stains there, looking exactly like the heating element on the seat?
Old 03-12-2015, 05:36 PM
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May warrant new seat cover, but rest between seat cover is causing assembly pattern to transfer to cover, more than likely not heat function related at this height. Warranty should allow for cover/rest/frame replacement if need be, they may simply replace complete driver seat.

Last edited by konigstiger; 03-12-2015 at 05:41 PM.
Old 03-12-2015, 05:37 PM
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Originally Posted by KEY08
When I zoom in on your photo, it looks like there is a lot of "color" transfered onto the MBtex. Kind of like when people wear new unfaded jeans on light colored fabric. Some of it comes off onto the seat and will not come off. Or like rubbing a graphite pencil over a piece of paper trying to transfer a name from the Viet Nam Memorial Wall. You get my drift. Looks to me like a color transfer from clothing. I can see it on the center panel as well.
I kind of see that too. Has OP tried cleaning it? Is there any similar stain on bolsters?
Old 03-12-2015, 06:05 PM
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Originally Posted by thefisch
I kind of see that too. Has OP tried cleaning it? Is there any similar stain on bolsters?

Yes, Tried warm soapy water and then Lexol for vinyl. It does not come off. I just don't understand the transfer from the coil inside. From the posts and a breakdown It appears it is the frame. You can feel the pattern, but it is very minimal. Shouldn't there be padding between to stop that coil thing from even being felt?

After looking I can notice darker area on Bolster.
So are we to drive Naked? Not sure if that is legal here in PA

As far as getting new seat...It is new. The car does not even have 5000 miles on it yet.
Old 03-12-2015, 06:11 PM
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Originally Posted by rookiezxc
What you're saying that it our new clothes got heated up by the heated seat and left some stains there, looking exactly like the heating element on the seat?
I hope that's not the case. My better half has a thing about wearing clothes before they are washed. She's funny that way. One would think any ink or dye would be washed out.
Old 03-12-2015, 06:14 PM
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Yes, must drive naked. I have seen this issue many times and in particular with luxury car leather that is light colored. The clothing dye transfers to the seat and it is a goner. I think that is your issue. No heat as Koni said.
Old 03-14-2015, 06:58 PM
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I am an old PVC cover stock guy who made his living making PVC cover stocks for interiors of automobiles of all manufactures in NA. MBTex and Artico are not the same product and this I believe is heat burn from the heaters in the PVC of the MB Tex.
If their seat manufacturer i.e Johnson Controls or Magna bought from China they likely have poor stabilizers when it comes to heat.
If the seats were not heated and you lived in a hot high sun climate the seats would turn brown like this over the whole surface.
Unfortunately MB has become a car manufacturer trading on its rep but buying from the low cost bidder and leaving materia specs to suppliers and self certification.
Make them replace the covers and add extra insulation between the coils and the cover stock or it will happen again.

Last edited by Alex.currie44; 03-14-2015 at 07:02 PM.
Old 03-15-2015, 10:29 AM
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I really don't think the heater element extends that high up on the seat. I know the massage function does and that's why I asked earlier if he had the dynamic seat. I think it is simply dye transfer which is picked up by the projecting frame support as the clothing rubs.
Old 03-15-2015, 11:47 AM
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Originally Posted by KEY08
I really don't think the heater element extends that high up on the seat. I know the massage function does and that's why I asked earlier if he had the dynamic seat. I think it is simply dye transfer which is picked up by the projecting frame support as the clothing rubs.
I just went for a ride this morning and the heat element most definitely is that high on the seat. In fact when it is on, those vertical stripes are more easily felt with your finger tips. While out of the garage I also noticed this is happening on the passenger seat as well. It is just not as pronounced yet. The heat is not on that side as much. We do not have massage function.
Old 03-15-2015, 11:57 AM
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Time will tell once seat is disassembled, definitely covered by warranty.
Old 03-18-2015, 05:04 PM
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I just got off the phone with Our Mercedes-Benz dealer. They are replacing both front seat covers and the heating elements. They think they are getting too hot and causing a burn type stain. I did notice that they get hotter faster than the loaner they gave us.


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