SL/R129: Looking for Bose Installation Schematic
Thread Starter
Super Member
Joined: Aug 2005
Posts: 591
Likes: 9
From: Covington, WA
'96 SL600, '05 S55 AMG, '06 C230
Looking for Bose Installation Schematic
My '96 SL600 Bose system has always been a bit 'bassy'. There is pair of 'baby' speakers (tweeters?) installed in the top of the dashboard, but no sound comes from them. The entire setup is factory-installed, standard Bose.
I've asked in previous threads and the general consensus is these two speakers should have sound coming from them. The test suggested was to crank the bass all the way down, treble all the way up and listen. Logical. On my system, I get sound from all speakers except these two.
The car had a factory telephone installed that had been partially removed by the time I got the car. So, now I'm wondering if these two speakers are tied to or controlled by some of the MB-factory telephone hardware. For example, in a *complete* Bose radio/factory telephone setup, when the phone is in use, does the radio 'cut out'? If so, does the telephone use just the two dashboard speakers? See where I'm going with this. I'm wondering if some of the missing factory-installed telephone hardware actually is needed to pass audio to the dashboard speakers.
Does anyone have an electrical schematic for a R129 model, around the mid-90's? Preferably, for a '96 SL600 - but at this stage, I'll look at anything.
I've asked in previous threads and the general consensus is these two speakers should have sound coming from them. The test suggested was to crank the bass all the way down, treble all the way up and listen. Logical. On my system, I get sound from all speakers except these two.
The car had a factory telephone installed that had been partially removed by the time I got the car. So, now I'm wondering if these two speakers are tied to or controlled by some of the MB-factory telephone hardware. For example, in a *complete* Bose radio/factory telephone setup, when the phone is in use, does the radio 'cut out'? If so, does the telephone use just the two dashboard speakers? See where I'm going with this. I'm wondering if some of the missing factory-installed telephone hardware actually is needed to pass audio to the dashboard speakers.
Does anyone have an electrical schematic for a R129 model, around the mid-90's? Preferably, for a '96 SL600 - but at this stage, I'll look at anything.
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Joined: Jan 2006
Posts: 1,982
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From: Atlanta, unfortunately
'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
On a Bose system, the speakers in the dash are just for the phone and are not connected to the radio. Therefore, I would say your system is fine; and personally, I agree with you about the sound being bass-heavy.
Thread Starter
Super Member
Joined: Aug 2005
Posts: 591
Likes: 9
From: Covington, WA
'96 SL600, '05 S55 AMG, '06 C230
Thanks bobterry99. You were posting a reply as I was actually doing the check-out.
For the complete summary, check out my post in the Audio & Electronics section; same thread heading.
Thanks again. Looks like we came to the same conclusion.
For the complete summary, check out my post in the Audio & Electronics section; same thread heading.
Thanks again. Looks like we came to the same conclusion.
