Seat bolsters & lumbar popping every few min?
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Joined: May 2008
Posts: 1,250
Likes: 21
From: Los Angeles, CA
Supercharged CLK500,ML500,S580
Thread Starter
Senior Member
Joined: Apr 2025
Posts: 490
Likes: 205
From: Lowcountry, GA
'25 S580
Apparently quite a few members are experiencing the same thing.
Not a huge issue, but I haven’t experienced anything like this before.
Then again, it’s my first Mercedes and its ‘Multi-contour seats’.
I just wonder what the design intentions were.
MBWorld Fanatic!
Joined: May 2008
Posts: 1,250
Likes: 21
From: Los Angeles, CA
Supercharged CLK500,ML500,S580
I recently went to the dealership for some service and asked them to look into the seat air bladder, they reported no problems. For now, I'll be keeping it at setting 8 and monitoring it.
Member
Joined: Feb 2025
Posts: 214
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From: Harrison, ME
2025 S580
Well isn't this enlightening. I noticed the lumbar support "pop" and a jerky side bolster behavior on day two of my now one week old S580. The "pop" seems to occur only once and after about 5 minutes of driving down the road. The jerky bolster operation is chronic. The seats on my SL have similar adjustments but have never popped and the side bolster movement is nice and smooth. I thought of fiddling with the adjustments to see if I just fell upon a bad zone when I adjusted the seats.
Thread Starter
Senior Member
Joined: Apr 2025
Posts: 490
Likes: 205
From: Lowcountry, GA
'25 S580
So I guess it's a widespread issue with the W223 seats.
TBH, I have now gotten used to this movement and it doesn't bother me that much anymore.
Until it becomes a lot more frequent or causes discomfort, I'll leave it be.
TBH, I have now gotten used to this movement and it doesn't bother me that much anymore.
Until it becomes a lot more frequent or causes discomfort, I'll leave it be.
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Current/Last 5-years:GLS;G70;Alpina B8;X7;Accord. Sold:X7,TeslaS;S560;S550,X5;530e;L.Navigator;LS460
I’d ignore it really.
when I looked at the internal of my W222 seats, they too complicated that I get worried about ever bringing it for repair for any kind of issue.
I even fixed the leaking bladder tube that I fixed myself. I wasn’t impressed with the quality of the tubes and how they were sealed with the bladders.
I had to insulate some of the tubes that were touching some metal parts to avoid them melting again when leaving the car parked on a very hot summer day.
Last edited by S_W222; Sep 2, 2025 at 09:19 PM.
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