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  #1  
Old 04-19-2006, 09:45 AM
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W126 Interior Squeaks !!!

The interior of my recently acquired 85 380SE is incredibly squeaky and is driving me nuts! I have owned several W126s and none of them squeaked like this one. It squeaks even when I'm not hitting any road bumps. In all fairness, this vehicle was kept outside in the hot TX sun, so I suspect some warpage/shrinking of plastic has occurred.

Suspension is in top condition, and all motor mounts and shocks, trans, differential, and subframe mounts are new so I don't think the suspension is contributing. I really think the culprits are the interior plastic, vinyl, and leather.

The worst offenders appear to be squeaks from all 4 door panels, along with what I suspect are "leather squeaks" from the seats.

Does anyone out there have any success stories of actually fixing these annoying noises?
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  #2  
Old 04-19-2006, 12:35 PM
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Sympathy I'm having fun with a squeeky dash in my W124.
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Old 04-19-2006, 12:44 PM
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My W124 in comparison is 95% rattle and squeak free. Only the visors tend to squeak, and it is quickly remedied (albeit temporarily) by lowering and raising them. But this W126 is just crazy squeaky!
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  #4  
Old 04-19-2006, 01:02 PM
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Try spraying the lower edges of the doors with silicone spray. A lot of the 126s squeeking comes from the doors.
If your visor has the pull out feature ( where the visor can be pulled to cover farther back when in the side position), pulling it out or in a fraction of an inch may rid the noise permanently.
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Old 04-19-2006, 01:06 PM
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Quote:
Originally Posted by andmoon
Try spraying the lower edges of the doors with silicone spray. A lot of the 126s squeeking comes from the doors.
Are you saying to spray the interior door panels, or the actual doors themselves (exterior)? When you say silicone spray, is that something I can just get at Autozone? Or are you referring to silicone-based protectant such as Armor All?
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  #6  
Old 04-19-2006, 01:41 PM
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same problem with my W126 coming from passenger side dash area....
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  #7  
Old 04-19-2006, 01:44 PM
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Quote:
Originally Posted by gmercoleza
Are you saying to spray the interior door panels, or the actual doors themselves (exterior)? When you say silicone spray, is that something I can just get at Autozone? Or are you referring to silicone-based protectant such as Armor All?
There is a silicone spray sold at many stores. I get mine from home depot(it's also good for all rubber trim). Spray the interior bottom of the door wherever the door will touch another part of the car (bottom edge).
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  #8  
Old 04-19-2006, 02:44 PM
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mine was the same, silicone spray, light coat of vaseline or similar on door frame rubber will make an immediate improvement, particullary the gasket that contacts the kick plate on the door frame
Armor all does not last or work as well
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  #9  
Old 04-19-2006, 02:47 PM
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Quote:
Originally Posted by Siduri19
same problem with my W126 coming from passenger side dash area....
I would have sworn mine was from the dash area too but it was from the front right door.
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  #10  
Old 04-19-2006, 06:40 PM
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Yeah it drives me nuts on the SD.

I am spoiled by the SDL, cloth interior means no squeaks!

303 the interor to death that will quite it down.
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  #11  
Old 04-19-2006, 07:58 PM
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It seems any fix is temporary. The leather squeaks like crazy even with weekly coats of conditioner. Also the door panel lower edge where it rubs the door sill: I put strips of waterproof surgical tape there, which helped a lot. The noise is much worse when its cold out.
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  #12  
Old 04-19-2006, 08:40 PM
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Quite a few posts point to the wood trim strips rubbing on the vinyl door panel where they fasten. One guy even removed them and used some kind of tape on the back of the wood then re-attached. I tried the same technique with grease, but it didn't last long.
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  #13  
Old 04-19-2006, 09:47 PM
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The leather seats in the back of the SD are louder than the stereo.

Unbelievable squeaks come out of them. I sometimes think there is a convention of mice back there. Treating the seats quiets them down somewhat, but, the leather is quite stiff on the SD and it's almost impossible to eliminate it.

The SDL, on the other hand, which I took out today for the first time in three months, is almost silent.

I do agree with adding silicone to the line where the bottom of the doors meet the plastic on the door sill. It definitely helps that situation.

I also agree that the wood trim strips on the doors will definitely squeak. I have not found a long term solution, either. However, I'm considering getting some very thin rubber (.032") and adding a piece between the wood and the door.
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  #14  
Old 04-19-2006, 09:55 PM
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Squeek, squeek

Quote:
Originally Posted by andmoon
I would have sworn mine was from the dash area too but it was from the front right door.
My 1991 420sel squeeks in this way too. Is there a brand of silicone spray that is better than others and how often might one typically have to treat it?
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  #15  
Old 04-19-2006, 11:06 PM
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my 86 420SEL doesn't squeak as much as it "rustles" like the seats are moving around and rubbing against something else, makes me nuts. It's at the dealer now, trying to diagnose a stumbling/stalling condition that I just can't eradicate, so noisy seats are the least of my worries.
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