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Discussion Starter #1
Let me start off by saying I know little to nothing about car stereo. I bought the 230 with the upgraded Bose stereo w/o the changer). I thought that it was pretty weak for how the dealer pushed it. Very little bass control.<br>
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So I had a changer installed(fm modulation-i think it's called, an amp and a 12in tube installed. Lo and behold, the changer is receiving interference from radio station. I hope a noise reducer will fix this. But, my real problem is this. It's supposed to have ten speaker's right? I can't find em. I see two tweeters in the door corners, two in the front on the doors, two in the back on the same doors, and two more in the outside leg of the back seats. So, I need to find the other two. Anyone have any ideas, also where is the sub woofer. I called Mercedes, they have no idea. But even if I found it, where's the 10th speaker.<br>
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This is getting long, but also when the aftermarket audio store installed all the equipment, the two back speakers near the outside bottom of the back seats, no longer work. but he swears he didn't disconnect anything that was already connected. Any idea what this guy could have done, or had to do to install this equiptment?
 

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Discussion Starter #2
<br> The c230K has all fiber optic connections and I understand that upgrades are likely to be non- compatable. You pretty much have to bite the bullet and get what you want at the time of purchase. I suggest you go to the bose auto audio web site and read their explaination of the bose audio system. It is designed not to be a boomer but a clear realistic reproduction of the live performance. Being a specialized intergrated system, I would guess that adding the amp and tube caused the outage of the rear door speakers.
 

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The amp is only powering the tube, is it still possible to blow the rear speakers like that? But I will check out the site, thanks for the recommendation.
 

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The Bose sound system on a C230k has eight speakers not ten. You have found the tweeters and the four speakers in the bottoms of the doors. The base module is in the rear of the car between the right quarter panel and the cargo compartment wall. If you open the small cover in the cargo compartment wall you will see the bass module.<br> <br> http://www.imagestation.com/album/?id=4292046119&p=4260361301&idx=13<br> <br> Pics with the side wall removed<br> <br> http://www.imagestation.com/album/?id=4292046119&p=4260361301&idx=13<br> <br> http://www.imagestation.com/album/?id=4292046119&p=4260361301&idx=13<br> <br> The eighth speaker is the center fill speaker. It is under the grille in the center of the dash.<br> <br> If you can do so, change the frequency the RF modulator uses to one not used by a radio station.<br>
 

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Discussion Starter #5
What about the two speakers located on each side of the back seats? They are definitely there. That would make ten, no?<br>
 

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You are correct, my mistake. I have one more question. The audio 'specialist' fixed my feedback problem, so I'm happy about that. <br> <br> However, there seems to be a problem with the volume rising and lowering dramatically, on it's own. He suggested I turn off the automatic volume adjust. Which I wasn't aware that I had, nor could I find in the manual, or website. Does the C230 have this feature, and how do I turn it off?<br> <br> Thanks for the previous replies too!
 

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Discussion Starter #8
Yes, the C230k has this feature. It has four settings; 0, -3, -6, and -9. 0 is the off setting. -6 is the default setting. The speed sensitive volume control can only be adjusted by the dealer using the DAS computer. The next time you have the car at the dealer for service or warranty work, ask to have it shut off. They usually do it for free. Just be sure they set it to 0, some technicians believe that -9 is the off setting.
 

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Thanks for your help, Take a look at this link, is this s shortcut, or something else. I don't want to try anything before I know what it is..<br> <br> http://forums.mbnz.org/forums/audio/vthread.asp?messid=948
 
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