E-Class (W211) 2003-2009

How do dynamic seats work?

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Old 07-31-2014, 12:45 AM
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How do dynamic seats work?

I'm curious if anyone knows the setup behind the dynamic seat option-

Specifically, where does the input come from and how precise is that measurement?
Is it a gyroscope/sensor from the ECU??
Is the data available realtime to anyone with STAR or a code reader?
Old 07-31-2014, 07:16 PM
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Originally Posted by timeskew
I'm curious if anyone knows the setup behind the dynamic seat option-

Specifically, where does the input come from and how precise is that measurement?
Is it a gyroscope/sensor from the ECU??
Is the data available realtime to anyone with STAR or a code reader?

It has sensors in the seats which read your butt movement.. The Data goes to Mercedes Servers in Germany. A special software reads your butt data movements and generates unique massage code specifically designed for your rear end which it sends to your car's onboard computer wirelessly through space satellite.
Old 07-31-2014, 08:50 PM
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Originally Posted by timeskew
I'm curious if anyone knows the setup behind the dynamic seat option-

Specifically, where does the input come from and how precise is that measurement?
Is it a gyroscope/sensor from the ECU??
Is the data available realtime to anyone with STAR or a code reader?
What I notice is that turning angle mainly affects the amount of air pumped into the seat side bolsters. During long turns the minute I add an extra angle the more I feel the side bolsters fill up.
Old 07-31-2014, 08:56 PM
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^^ huh? DD seats contours to your butt when cornering hard so you dont go sliding off your seat. it also give 5 minute massages but Im not sure about despicable merc's info.

Last edited by beejAMG; 07-31-2014 at 08:59 PM.
Old 08-01-2014, 02:23 AM
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The real question is, can you replace your regular seats.........
Old 08-01-2014, 12:43 PM
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Yeah, I'd love to see actual documentation on that one Despicable Merc... You make it sound like Siri is massaging my tush.

Until then, I'm hoping for a documented answer that fits into the not-so-consumer-tech savvy MB routine.
Old 08-01-2014, 12:51 PM
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There is a yaw sensor located in the trunk under the carpet and foam that houses most of the MOST fiber cables.
Old 08-01-2014, 01:54 PM
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Originally Posted by beejaypunsalan
^^ huh? DD seats contours to your butt when cornering hard so you dont go sliding off your seat. it also give 5 minute massages but Im not sure about despicable merc's info.
The lower half of my seat doesn't always fill up with air... Perhaps I have a damaged "butt cup".
Old 08-01-2014, 06:54 PM
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Originally Posted by Drag0na5h
The lower half of my seat doesn't always fill up with air... Perhaps I have a damaged "butt cup".
DD seats are very expensive option. It would be nice to have it in your car.

Despicable, i dont think MB would go through so much hassle just to massage ones ***.
Old 08-01-2014, 10:06 PM
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An a$$ massage sounds pleasant, (I do so very much enjoy the butt warmer in my seats), but for driving I'd prefer the Active Body Control system for seating comfort.

.
Old 08-04-2014, 04:08 AM
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Originally Posted by Honcho
An a$$ massage sounds pleasant, (I do so very much enjoy the butt warmer in my seats), but for driving I'd prefer the Active Body Control system for seating comfort.

.
Well that's what I'm thinking about. Seems silly to control just the seat when you can apply the same data to a suspension setup for the entire car.

Is that the Active Body Control system in a nutshell?
Old 08-04-2014, 08:45 AM
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Active Body Control, in a nutshell:


...and now "MAGIC" Body Control:

Last edited by Honcho; 08-04-2014 at 08:53 AM.
Old 08-04-2014, 10:18 AM
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Originally Posted by Honcho
Awesome! However for now butt-massage it is.
Old 08-04-2014, 11:51 AM
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Originally Posted by beejaypunsalan
^^ huh? DD seats contours to your butt when cornering hard so you dont go sliding off your seat. it also give 5 minute massages but Im not sure about despicable merc's info.
might want to work on your sense of humor there boss
Old 08-04-2014, 06:37 PM
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^ I wasnt trying to be funny boss.
Old 08-04-2014, 08:57 PM
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Before this thread gets out of hand, I'd recommend the use of #SARCASMALERT on any sarcastic comment. However, I have yet to see a sarcastic comment. #SARCASMALERT
Old 08-04-2014, 09:02 PM
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Old 08-04-2014, 09:28 PM
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Originally Posted by Dan ****
There is a yaw sensor located in the trunk under the carpet and foam that houses most of the MOST fiber cables.
Because of this thread, I've been paying attention to when and how aggressive the lumbar supports fill up with air during any turning. Basically when I'm going speeds above 15mph that's when any air is filled. When I'm cruising 45mph-ish and sway side to side like a drunk car the lumbar supports fill up alternately rather quickly. All in all I feel like it gives me a false sense of security when cornering hard at stock ride height and 16s w/ 225 Michelins.
Old 08-05-2014, 01:39 AM
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Bringing it back on topic, It looks like the Active Body Control is what I had in mind. I've got some homework to do!!

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