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Replacing heating pad
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Author
Posted 1/4/2019 12:19 PM
ychung
Veteran


Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
100
Replacing heating pad

I am going to replace the heating pad on the driver seat.
Does anyone have done it or, at least, had taken out the seat cover before?
Do I need instructions on procedure or is it going to be just straight forward?
Thank you
#240321
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Author
Posted 1/5/2019 9:59 AM
WEBIII
Extreme Veteran


Date registered: Oct 2010
Location: Inlet Beach, FL
Vehicle(s): 461.318, 463.241
Posts: 315
300
Re: Replacing heating pad

Take a look at page 2 of this thread. https://clubgwagen.com/forum/viewtopic.php?t=13322&start=10

That person is working on a seat from a Europa truck which is different than your 2004 seat. However the heating element in your G may still be a thin layer glued to foam — I’m not sure.

Are you sure that your seat heating controls are functioning correctly?
#240323 - in reply to #240321
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Author
Posted 1/5/2019 7:30 PM
ychung
Veteran


Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
100
Re: Replacing heating pad

I think the switch works fine and I still get the heat, but about 30% of normal.
I couldn't find any module for heat control, although I've seen it somewhere it says that the seat control module also has to do with heating pad control which I couldn't confirm. The passenger seat and the rear seats works perfect.
I don't know much about how this works, and was hoping that the new heating pad will solve it.
However, it appears that it's not a simple process to change the heating pad without taking the whole seat out and taking it all apart. Since I live in southern Cal, I can get by with what I have now. It's just that I want to make sure that everything works
perfect on my truck.
Does anyone have suggestion to remedy this?
Also I can only find the part for the seat bottom, #4638200810. Are the heating element for the back and the side discontinued?

#240326 - in reply to #240323
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Author
Posted 1/7/2019 6:50 PM
WEBIII
Extreme Veteran


Date registered: Oct 2010
Location: Inlet Beach, FL
Vehicle(s): 461.318, 463.241
Posts: 315
300
Re: Replacing heating pad

I would not expect a heating pad to degrade uniformly across the surface of the pad. If there is degradation in the heating ability of the pad, I would expect it to occur in localized areas of the pad as the result of damage from excessive use (e.g. where the wallet is repeatedly compressed into the seat).

If you observe degradation uniformly across the surface then I would expect there to be a drop in current to the pad. This could be due to loose or dirty connections.
#240345 - in reply to #240326
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Author
Posted 1/7/2019 7:48 PM
ychung
Veteran


Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
100
Re: Replacing heating pad

Thanks Winston for your comment and I think you're correct on your diagnose.
The degradation is uniformly across, sometimes, once in a blue moon, the heating pad works much better like the norm, and I must think the connector or something might've been jammed somewhere inside.
I'm not so sure at this point, if I want to pull out the seat and take everything apart.
#240346 - in reply to #240345
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Author
Posted 1/7/2019 7:48 PM
ychung
Veteran


Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
100
Re: Replacing heating pad

Thanks Winston for your comment and I think you're correct on your diagnose.
The degradation is uniformly across, sometimes, once in a blue moon, the heating pad works much better like the norm, and I must think the connector or something might've been jammed somewhere inside.
I'm not so sure at this point, if I want to pull out the seat and take everything apart.
#240347 - in reply to #240345
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Author
Posted 1/8/2019 7:44 PM
H1LM002G55
Expert




Date registered: Mar 2010
Location: S Florida / Geneva / Jeddah
Vehicle(s): 500 GE, G55, LM002, H1
Posts: 1796
1000
Re: Replacing heating pad

You are in Southern California. Call VeteranCo or World Upholstery or GAHH and ask them for a good upholstery shop that is MB experienced. Special hog ring pliers are needed, etc...
#240351 - in reply to #240326
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