Seat side bolsters problem
Thread Starter
MBWorld Fanatic!
Joined: Jan 2007
Posts: 1,986
Likes: 9
From: Toronto
V12TT
Seat side bolsters problem
I have them inflated to hug more but everytime I start the car and go for a drive the seat bolsters randomly just deflate and the buttons don't do anything and stop responding. If you take the key out and restart they will inflate again and stay like that for 10 minutes then again become deflated as your driving and the adjustment buttons become dead.
Took the fuse 20 out for the PSE pump to give it a reset but that did nothing. Did a battery pull but that did nothing. Dynamic seats also don't work (No inflation of the bolsters).
Any help appreciated
Took the fuse 20 out for the PSE pump to give it a reset but that did nothing. Did a battery pull but that did nothing. Dynamic seats also don't work (No inflation of the bolsters).
Any help appreciated
Super Member
Joined: Dec 2004
Posts: 972
Likes: 28
From: DFW
BMW M850i Gran Coupe
I just had the same issue on a 2013 W221 and it turned out to be a leak in one of the driver seat bolsters. I also noticed that all of the seat settings, including lumbar, massage etc had reset with the controls all being inoperative. Repairing the leaking bolster fixed everything. I'm thinking maybe I need to lose a few pounds.
Newbie
Joined: Jun 2016
Posts: 1
Likes: 0
2012 S63 AMG
I too need to get instructions for replacing bladder.
I can tell you I just got back from dealer today. They want $1600 to replace bladder for right side bolster on driver seat.
Needless to say I walked away after having just spending $1300 to have pump replaced.
BTW. they said the pump may have burned up because it kept running trying to inflate leaking bladder. They recommended I turn of dynamic seats until I replaced leaky bladder or pump may burn up again.
Besides how to do it, does someone sell bladders besides Merc?
I can tell you I just got back from dealer today. They want $1600 to replace bladder for right side bolster on driver seat.
Needless to say I walked away after having just spending $1300 to have pump replaced.
BTW. they said the pump may have burned up because it kept running trying to inflate leaking bladder. They recommended I turn of dynamic seats until I replaced leaky bladder or pump may burn up again.
Besides how to do it, does someone sell bladders besides Merc?
Member
Joined: Jul 2009
Posts: 177
Likes: 5
From: Houston
1999 e320 ,2006 AMG S55
im gonna be taking apart my seat soon but idk how far im going to go in it. My a/c fan rubs against something if a person weighs too much in the car. soooo not sure if my fan is out of place of something but im really curious to see. If i find anything out this week ill let yall know.
Best case scenario you take of the bag and slide another in. Can anyone call mercedes and ask how much a new bladder is just for the part alone ?
Best case scenario you take of the bag and slide another in. Can anyone call mercedes and ask how much a new bladder is just for the part alone ?
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Newbie
Joined: Jan 2024
Posts: 3
Likes: 0
2007 s65 amg, c6 z06, 08 e350 mercedes
I too need to get instructions for replacing bladder.
I can tell you I just got back from dealer today. They want $1600 to replace bladder for right side bolster on driver seat.
Needless to say I walked away after having just spending $1300 to have pump replaced.
BTW. they said the pump may have burned up because it kept running trying to inflate leaking bladder. They recommended I turn of dynamic seats until I replaced leaky bladder or pump may burn up again.
Besides how to do it, does someone sell bladders besides Merc?
I can tell you I just got back from dealer today. They want $1600 to replace bladder for right side bolster on driver seat.
Needless to say I walked away after having just spending $1300 to have pump replaced.
BTW. they said the pump may have burned up because it kept running trying to inflate leaking bladder. They recommended I turn of dynamic seats until I replaced leaky bladder or pump may burn up again.
Besides how to do it, does someone sell bladders besides Merc?
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