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I have this button on COMMAND console but I am not sure what does it exactly do.
I press it and nothing comes up on screen. I tried searching under settings but I don’t see any seat settings in COMMAND screen
please note I do have Dynamic seats when I search for all options my car has but I am not sure how I can activate or use this feature. I also don’t have the control of seats next to my seat cushion.
you have reached the most logical conclusion: your dynamic seats are faulty.
You could get this diagnosed professionally by connecting a scanner to interact with modules.
Issue is more likely to be compressor or plastic piping but solderless rotary dial LIN module may need attention.
Your local MB Dealership can repair your seat.
Last edited by CaliBenzDriver; Oct 13, 2025 at 03:01 PM.
you have reached the most logical conclusion: your dynamic seats are faulty.
You could get this diagnosed professionally by connecting a scanner to interact with modules.
Issue is more likely to be compressor or plastic piping but solderless rotary dial LIN module may need attention.
Your local MB Dealership can repair your seat.
But I don’t see any options or settings on my screen ! As if I don’t have them at all. Even if this feature is faulty, I should have settings to activate it. Right?
But I don’t see any options or settings on my screen ! As if I don’t have them at all. Even if this feature is faulty, I should have settings to activate it. Right?
yes Indeed: "seat options" should be shown on IC display.
Scanner will save time to whom gets this working.
I checked. I don’t have any errors. I don’t know why I cannot see it in UI Command screen.
I tried using diagnostic tools and I can control the pumps from diagnostic tools.
Is there programming that needs to be done?
Your investigations shows your car has the working hardware but not the software options to control it.
It sounds like somebody may have replaced either the IC Display or the central Gateway module without proper coding. Now your car can no longer run all its options.
My non-profesional opinion is to call your local dealership or forum sponsor @BenzNinja for expert firmware coding.
Yes my seats has also massaging feature. From my research, In 2014/2015, Mercedes W212 facelift changed where you control Dynamic seats from side panel to Command UI. That’s why I don’t have the side panel.
The reason I am missing controls on screen is because someone changed the coding and deleted all options related to dynamic seats by mistake.
I am trying to find out what needs to be coded to get this back. I have all the tools required with me (Xentry and Verdaimo) so I should be able to do it if I find what ECUs needs to be coded
Incase someone had the same issue as mine, I had all options for Dynamic seats however it was not activated on Command Screen as I expected. To solve the issue, I had to go to Engineering mode then turn this feature on and simple as that !
No dealer, No coding no Verdiamo or anything else!!
It sucks this information is not available anywhere except on some Russian forums and had to find out the hard way.
MB forum needs to catch up with BMW.. I miss the BMW community already
Good to hear it was solved and thanks for dissipating away the mystery clouds on the active massing seat buttons at the sides as well
I don't want to make comparison between forums but I was posting in BMW Forums too , Technical wise , this forum has been more useful to me
Happy Driving
Incase someone had the same issue as mine, I had all options for Dynamic seats however it was not activated on Command Screen as I expected. To solve the issue, I had to go to Engineering mode then turn this feature on and simple as that !
No dealer, No coding no Verdiamo or anything else!!
It sucks this information is not available anywhere except on some Russian forums and had to find out the hard way.
MB forum needs to catch up with BMW.. I miss the BMW community already
was engineering mode through a scanner or vehicle dashboard, and how did you access it? Also with my Massage seat issues I asked ai from chrome and got a pretty fair response: (My hoses were very very broke and disintegrating when touched) Ai Was ASKED:
I am looking for a 2016 Mercedes e350 message seat pump to message seat bolsters hose schematic. please help . there are blue green red and black hoses Ai responded:
While I couldn't find a direct, publicly available schematic that shows the connection of the blue, green, red, and black hoses to the seat pump for a 2016 Mercedes E350 (W212 chassis), the color-coding is a standard method used by Mercedes for their pneumatic lines.
In Mercedes-Benz multicontour/dynamic seat systems, the different colored pneumatic lines typically correspond to different functions or air chambers within the seat. Based on common Mercedes pneumatic seat system conventions (which may vary slightly by model/year), the connections are often as follows:
Black: Usually the main supply line from the pump/control valve unit.
Red, Blue, Green, etc.: These typically lead to the various pneumatic bladders or chambers within the seat (lumbar, side bolsters, massage chambers, etc.) and are connected to different solenoid valves on the pump/valve unit that control the air flow.
What you should look for on the pump/valve unit:
Labeled Ports: The ports on the pump/valve unit itself often have small labels or molded symbols next to them that indicate where the lines should connect. Look for labels like "SUPPLY," "PUMP," or "TANK" for the main lines, and perhaps color-coded indicators or abbreviations for the seat chambers (e.g., "BOL" for bolster, "LUM" for lumbar).
Color-Matched Ports: Some units have color-coded ports that directly match the hose colors.
Hose Bundle Integrity: If the hoses broke off, inspect the remaining portion of the lines near the break and the ports on the pump. You might see a faint color residue on the port that matches the hose color.
Recommended Steps:
Check Mercedes-Benz Workshop Information: The most accurate schematic will be in the official Mercedes-Benz Workshop Information System (WIS). This is typically only accessible to dealers and independent shops with a subscription.
Consult a Forum or Repair Video: Search using the pump part number (if visible) or the more specific terms like "W212 multicontour seat pump hose connections" on Mercedes owner forums or YouTube, as other DIYers often document their repairs.
Inspect the Passenger Seat Pump (If equipped): If your E350 has a multicontour passenger seat, you can carefully remove the cover and check how the lines are connected there, as the driver and passenger pump connections are often mirrored.
If you can find a part number on the seat pump/valve unit itself, searching that number along with "hose schematic" might yield a more specific result.
Last edited by FL2016e350; Oct 18, 2025 at 10:32 AM.
Reason: formating
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