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Official wind noice service bulletin

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Official wind noice service bulletin

 
Old 01-10-2016, 02:29 AM
  #76  
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I too have the wind noise on the drivers side window. Has anyone had any joy with UK dealers fixing this?? It's been in once already and going in again next week. Any info helpful.
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Old 01-11-2016, 06:10 PM
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Originally Posted by cidtek View Post
Was there an official USA or North America bulletin issued or are they just aware of the German one?
So just got back. Was told it was for cars Made in Germany. The origin source of the car is different. My car was produced in Alabama.
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Old 01-11-2016, 09:50 PM
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Originally Posted by kowyzg0moo View Post
So just got back. Was told it was for cars Made in Germany. The origin source of the car is different. My car was produced in Alabama.
Mine was made in Alabama, and they replaced the glass.
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Old 01-12-2016, 11:05 AM
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Question Is new glass all there is to it?

Originally Posted by gfmohn View Post
....
The service foreman said that MB was has acknowledged the problem and they were working on a new TSB. He said, "The problem seem to be the glass." He added that the cure will probably be a package of seals. I interpreted his use of the word "glass" as meaning that too much noise was getting through the window assembly as a whole, not through the glass itself.
....
To you owners who have received new glass:
Is new glass all there is to it? Or are some different seals also involved?
Did they just do the front driver's side window or did they do the passenger's side as well?
Did the fix completely cure the problem 100%?

I have a my first "A service in Feb. (I got my first alert 27 days in advance.) I will bring up the wind noise problem then. In the meantime, living with it is not a hardship. Even at 70 or above, the noise is minor, and I rarely drive on expressways.
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Old 01-13-2016, 03:11 PM
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I brought up the wind noise with my dealership when I had the car in for a couple major rattle issues. They said they would escalate it to MBUSA, but it never went past that. I've noticed a returning rattle in the driver's seat, so I plan on taking it back soon. Will bring up the TSB mentioned in this thread.
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Old 01-13-2016, 11:23 PM
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When I first report wind noise issue on front window 9 months ago, Dealer said no excessive window noise, comparable with other New C w205. Last week bring in for 12 month service and complain on Front Wind noise again, this time San Francisco dealer accept issue on noise, have install 205-737-21-00 INSULATION REA( FOAM STRIP to WASISTLINE trime strip) and place order 205-725-23-00 ACOUSTICS front windows glass for both driver and passenger side. Expect 205-725-23-00 windows glass will arrive in 3 weeks. MBUSA has issue tech bulletin LI72.10-P-062500 on above correction.
The wind noise does reduce some after 205-737-21-00.
Will update again, after 205-725-23-00 ACOUSTICS glass install a month later.

Last edited by png5; 01-19-2016 at 02:25 PM.
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Old 01-16-2016, 05:07 PM
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Originally Posted by png5 View Post
When I first report wind noice issue on front window 9 months ago, Dealer said no excessive window noice, comparable with other New C w205. Last week bring in for 12 month service and complain on Front Wind noice again, this time San Francisco dealer accept issue on noice, have install 205-737-21-00 INSULATION REA( FOAM STRIP to WASISTLINE trime strip) and place order 205-725-23-00 ACOUSTICS front windows glass for both driver and passenger side. Expect 205-725-23-00 windows glass will arrive in 3 weeks. MBUS has issue tech bulletin LI72.10-P-062500 on above correction.
The wind noice does reduce some after 205-737-21-00.
Will update again, after 205-725-23-00 ACOUSTICS glass install a month later.
"Noise"
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Old 01-17-2016, 02:52 PM
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Brought my C300 in for Service A last week. I gave them the list (wind noise, engine noise, check for updates). This was my 3rd request to do something about the wind noise. This time I had the German bulletin with english translation from this site. Guess what, two days later I got a call, they are ordering acoustic glass. Seems MBUSA may finally be acknowledging the wind noise problem. Now it would be nice if the brilliant engineers at MB would come up with a real fix.
The funny thing is that the dealer gave me a 2015 GLK 350 as a loaner. I looked at the GLK page here and found complaints about wind noise at high speeds. Based on my experience with the GLK so far, I can't get over the lack of wind noise compared to my W205. Those GLK owners should test drive a W205 to give them a little perspective on wind noise.
BTW, get your engine checked! They are also replacing all the pistons in my C300. Mine wasn't as noisy as some have indicated on this site. However, if your engine falls under the TSB, and you own the car, you better get it repaired before you have serious damage years from now that will not be covered by warranty.
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Old 01-18-2016, 12:50 PM
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Thanks for all the updates everyone. I'm going to go back tomorrow to see if there's something we can do about it.
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Old 01-19-2016, 12:08 PM
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Originally Posted by ManiacGT View Post
"Noise"
I wonder how long it's going to take for someone to fix the spelling. On a stickied thread nonetheless.
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Old 01-19-2016, 07:07 PM
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My California dealer is finally aware of the SB and has scheduled an appointment for early next month to go thru the steps. I'll report back in detail when they're done.
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Old 01-24-2016, 02:59 PM
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Took my 2015 C300 on 1/12/16 for Service A, Wind Noise and Engine Noise problems. Got the car back yesterday, 1/22/16. So, it took them only 10 days to secure all the necessary parts and do the work. Pretty good service. I also enjoyed the loaner, a '15 GLK350.
After road testing the car, the dealer decided that my car needed a new RH side mirror and acoustic glass on front driver and passenger. The RH mirror assembly was not seating properly. They did all the tests noted on the German document. Maybe there is now an official USA version as they keep referring to LI72.10-P-062500 in the work order. Like "Road tested for wind noise per LI72.10-P-062500."
I did not get a chance to drive the car extensively since getting it back, but on the 15 drive back from the dealership, which includes all kinds of roads and speeds, it sure seems improved. The only time I heard wind noise was in a cross-wind at about 75mph. We'll see how it goes after a few miles are put on it, but so far so good.
The acoustic glass is sort of stepped at the top edge, whereas the standard glass was uniformly rounded. The tint, which was a concern here, appears the same as my rear door windows.
They also replaced 129 parts in the engine including pistons, rings and connecting rods. The work involved what is described as a complete tear down and rebuild of the engine. That's a ton of labor. My copy customer copy of the work order does not show parts or labor cost for warranty work, but we are talking a lot of money. So if you own an engine that falls under this under the TSB, I would get it to the dealer for inspection. They found the problem at "1700 rpm on deceleration." Had I not read of the problem on this site, I would have never known and could have ended up paying for this mess once the car was out of warranty.
I was amazed they were able to get the glass so quickly. I was equally amazed they got the new engine parts so quickly. Their response was they had no problem getting it from MBUSA as they have plenty in stock. Sounds like the supply line has been brought up to speed.
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Old 02-01-2016, 05:49 PM
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I just bought a C450 last week. I've heard about the complaints about the wind noise but didn't notice anything. I just checked my glass, front windows driver and passenger are laminated acoustic. Date code of manufacture is 01/2016 Alabama.
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Old 02-01-2016, 06:44 PM
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My C300 is at the dealer as of this morning to do the Wind Noise Service Bulletin. I'll let you all know how it works out.
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Old 02-01-2016, 08:43 PM
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Originally Posted by lbowroom View Post
I just bought a C450 last week. I've heard about the complaints about the wind noise but didn't notice anything. I just checked my glass, front windows driver and passenger are laminated acoustic. Date code of manufacture is 01/2016 Alabama.
How do you tell it is laminated ?
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Old 02-02-2016, 02:55 AM
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Likewise

Originally Posted by c21bill View Post
My C300 is at the dealer as of this morning to do the Wind Noise Service Bulletin. I'll let you all know how it works out.
Likewise
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Old 02-02-2016, 05:33 PM
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Originally Posted by skullboy View Post
How do you tell it is laminated ?
Roll the window halfway down and look at the edge. It's clear to see and feel the acoustic glass is two glass plates with a filler in the middle. The non acoustic edge is rounded and smooth single plate.

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Old 02-02-2016, 11:15 PM
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Originally Posted by lbowroom View Post
I just bought a C450 last week. I've heard about the complaints about the wind noise but didn't notice anything. I just checked my glass, front windows driver and passenger are laminated acoustic. Date code of manufacture is 01/2016 Alabama.
Does anyone else have C450 cars out of Alabama got acoustic glass for production before January 2016 ?
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Old 02-03-2016, 04:27 PM
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[QUOTE=c21bill;6694450]My C300 is at the dealer as of this morning to do the Wind Noise Service Bulletin. I'll let you all know how it works out.[/Q''''

Just got a call from my dealer to pick my car up. Said he'd schedule it back in as soon as the acoustic glass arrives. Although it took a year to get to this point I am now a happy camper.
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Old 02-03-2016, 04:30 PM
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Just picked my C300 from its one year service and they said the wind noise was normal, in fact quieter than the 16's. Really upset.
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Old 02-03-2016, 04:32 PM
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Has anyone found an official service bulletin for the wind noise in the US? The NHTSA website lists many service bulletins for the C300 and C400, but nothing about wind noise. I can't find any mention of LI72.10-P-062500 other than on this site.
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Old 02-03-2016, 07:48 PM
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Originally Posted by BenzC400 View Post
Has anyone found an official service bulletin for the wind noise in the US? The NHTSA website lists many service bulletins for the C300 and C400, but nothing about wind noise. I can't find any mention of LI72.10-P-062500 other than on this site.
Your dealer should have access to it. Mine dealer had it.
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Old 02-03-2016, 08:23 PM
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Originally Posted by c21bill View Post
Your dealer should have access to it. Mine dealer had it.
After hearing others experiences with reluctant dealers, I'd like to go in armed with a copy of the service bulletin.
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Old 02-03-2016, 09:31 PM
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May I ask which Bay Area MB dealer you went to? since some of us had experience where dealer is reluctant to lookup or admit the wind noise / wrist pin issue. I may go to the same to avoid issues.
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Old 02-04-2016, 10:55 AM
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If you're asking me, I'm not in Bay Area. My dealer is Alfano Motorcars in San Luis Obispo.
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