C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

AMP/SUB Installation problem with BOSE Audio Pilot

Thread Tools
 
Search this Thread
 
Rating: Thread Rating: 4 votes, 4.00 average.
 
Old May 6, 2003 | 12:45 PM
  #26  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
This means that further research is required ! i cannot imagine that there is NOBODY who knows exactly where the microphone is situated... And Bose stays "deaf" for this issue. No support at all ;-((

allthough, the pin 1,2,3 "theory" seems reasonable.... but i cannot do this myself (I not that handy ;-)) .... if someone , with coupé and bose system, feels free to try this, please let me know and post the results.

in the meantime, my search for the bose microphone continues !
Reply
Old May 6, 2003 | 05:43 PM
  #27  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
i just read on the German bose page that the microphone is in the "innerspiegl", in english it is "inside mirror" or somewhat around there

http://www.bose.de/product/auto/audio_pilot_tech_2.asp

i also mailed at the german bose division for more info where exactly to find that "hidden" microphone. if i receive feedback, i will post it immediately
Reply
Old May 6, 2003 | 06:08 PM
  #28  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Thanks wimpytron. I don't even switch on my HU anymore 'cos I'm afraid it might bust my woofers.

By the way, how does ur volume increase like? Is it a sudden increase or gradual one?
Reply
Old May 6, 2003 | 06:18 PM
  #29  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
it is a sudden, very loud increase, and then immediately after it the bass is gone and volume drops down heavily. it continues untill i turn off the sub/amp (it is a pioneer amplified bassbox). it can be turned off only by the ignition. for now, i put the gain of the bassbox on 5 (max=10) and then it will not flipp ;-) but on gain 5 the bass is there , but it is not that "heavy bass" that thrills my throat, as i like it normally ;-)

so until there is a decent solution, i use the bassbox on gain 5 with 'normal" bass volume, because, i must admit, the overall sound quality of the bose system is very good in my opinion.

but after reading the german bose automotive page, i'm again convinced that the microphone MUST be around the rearview mirror . help me search please ;-)))))))


i have the european C sportcoupe CDI 220. i'm from belgium.
Reply
Old May 6, 2003 | 06:31 PM
  #30  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Yea, that's exactly what happens to mine too. I have 2 X 12" subs so I had to turn the bass way down not to cause that.

Haha.. sure go ahead and look for it. Let me know when you find it. We tried almost everywhere, even in the a/c ducts still no luck.


Btw below is an email that I received from BOSE.
------------------------------------------------------------------
I believe this information was requested from the after market installer
yesterday. I have a voice mail in to our System Engineer I will reply with
the information as soon as possible.

I realize you have already adding after market components but I wanted to
let you know that Bose Corporation does not recommend adding any after
market components to the factory installed systems they are not compatible
and typically will give you some type of interference with the system
performance.

Patty Bolack
Consumer Relations Division
-----------------------------------------------------
Bose Corporation
US Telephone: (800)231-2673
International Tel: (508)766-6699
Fax Number: (508)879-2043
Email: http://www.bose.com/contact_us/

Office Hours: Monday - Friday 9:00 AM - 5:00 PM (EST)
Visit our Website: www.bose.com
-----------------------------------------------------


They did call back to my Audio Installer and told him that they do not support aftermarket equipments attaching to BOSE systems and that the feature cannot be turned off.
Reply
Old May 6, 2003 | 06:47 PM
  #31  
Vader13's Avatar
MBWorld Fanatic!
 
Joined: Feb 2003
Posts: 3,069
Likes: 0
From: So-Cal
W211 E55 AMG, ML63 AMG, Past 996GT3,ZCPM3,Brabus C32,ML 500
You guys are working in VAIN,,Get rid of the BOSE head unit, It is a humungus POS..
Reply
Old May 7, 2003 | 02:55 AM
  #32  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
vadder13 : Not correct! if microphone will be found AND disabled, i'm 100% sure that the problem will be gone. It's as simple as that. I'm not gonna spend another $1500 or so for new speakers, head unit and stuff. I now have the audio 10 cassette-radio, the cd changer and the bose system, it costed already more then enough !

And... I'm convinced that a microphone is somewhere... outthere, I only have to find it AND I WILL !!!!
Reply
Old May 7, 2003 | 07:44 AM
  #33  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
i received this email from Bose - Germany in german)


Sehr geehrter Herr Pytron,
schönen Dank für Ihre Nachricht. Es tut uns leid, daß Sie
Audiopilot(R)
Funktion nicht zufrieden sind,
und diese deaktivieren wollen. Allerdings müssen wir Ihnen dringed
davon
abraten, einfach das Mikrofon
abzuziehen. In diesem Fall würde der Verstärker die Schwankungen
der
Bordspannung als Eingangs-
signal nehmen, und das System würde ziemlich unkontrolliert hin- und
her
regeln.
Idealerweise lassen Sie das Mikrofon an seinem Platz (in der
Dachbedieneinheit beim Innenspiegel),
und überziehen die Mikrofonkapsel mit einem Dämpfungsmaterial -
Heisskleber
-hot glue- bietet sich
dafür an.

Sollten Sie weitere Fragen haben, lassen Sie es uns bitte wissen.


So, in short, it meams that i'm correct, in my european cdi220 C sportcoupe, the microphone is in the road map light area, and it shuold be tempered with foam or tape.

That is what i did, and therefore , wen tape was on the grill, the bass did not have a mind of it's own. (Or at least, the problem was less occurant)

Now, i'm going to seek for a more permanent solution, without disconnecting the microphone, because that is not good according to the german bose technician !

So , after all, it seems not to be a airconditioning sensor (at least for the european C sportcoupe) ;-)

if it works, i let you know
Reply
MB World Stories

The Best of Mercedes & AMG

story-0

Six Gift Ideas Your AMG Loving Dad or Grad Will Cherish

 
story-1

7 Craziest Things AMG Gas Ever Built

 Verdad Gallardo
story-2

New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

 Verdad Gallardo
story-3

6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

 Verdad Gallardo
story-4

Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

 Verdad Gallardo
story-5

Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

 Verdad Gallardo
story-6

8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

 Verdad Gallardo
story-7

Flawlessly Restored Mercedes 190E Evo II Heads to Auction

 Verdad Gallardo
story-8

Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

 Verdad Gallardo
story-9

Mercedes EQS Gets A Major Update: Everything You Need to Know

 Verdad Gallardo
Old May 10, 2003 | 01:43 PM
  #34  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
it is indeed true, radical, that the microphone is nowhere to find in the overhead light console. Me and my audio installer took it out and finds nothing, unless it is on the print itself ;-) Although the german Bose technician said it is located there.

i will email again to that technician as he said that, if further questions, i could mail him directly.

>the audio installer said that he could follow all the wires from the bose amp until he finds the microphone, but that , of course would cost me a fortune ha ha ha.

if a get feedback I'll post it again
Reply
Old May 10, 2003 | 11:09 PM
  #35  
R4ND0M_AX3's Avatar
Member
 
Joined: Oct 2002
Posts: 147
Likes: 0
C230
If you happen to be looking at the BOSE amp could you take a picture of it or describe how to get to it? I've heard that it's in the right rear passenger panel but didn't want to break anything (especialy airbag related) gettting the panel off. Anybody know how to get this panel out without any damage?
Reply
Old May 12, 2003 | 09:15 AM
  #36  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
I received this mail from the german bose technician.

Dear Mr. Pytron,
Thank you for your note.
I am sorry that you have not found the mic yet.
We have checked in our demo car and realized that there is another
possible
position for the mic. You have to dismount the lamp unit and there are
a
brown and a white cable leading to the location of the mic. You could
use
a finger and feel a 1cm diameter 'hole' under the fabric about 2
centimeters
to the right of the lamp unit toward the wind screen. That's where the
mic
is hidden. You should be able to reach it tracing the mentioned wires
at
the front right corner of the lamp unit.

so, i hope i'll find it now. I will let you all know if i found it, and if covered with dampening foam, if it will give the desired result, that is, no more "Crazy BASS" increases and decreases.


if others feel free to try this, please give also feedback on the result
Reply
Old May 12, 2003 | 05:25 PM
  #37  
R4ND0M_AX3's Avatar
Member
 
Joined: Oct 2002
Posts: 147
Likes: 0
C230
Well, well. I just went out to the car and found the 'hole'. It's just above the mirror to the right of the light housing as stated. I'm gonna put my test sub back in and play with some stuff. Thanks for the leg work.
Reply
Old May 12, 2003 | 05:35 PM
  #38  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
could you post a picture, please , than i can see WHERE IT IS EXACTLY ???

and... most of all : could you tell me if, when the mic is "treated" with "sound blocking" foam, if the desired effect is there : that the bass can be VERY loud and stay normal ;-)

thanx in advance ;-)
Reply
Old May 12, 2003 | 06:22 PM
  #39  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
GOT IT!!

Thanks so much for wimpytron, I unplugged the hidden mic. Took several pics along the way and will post it tonight. I'm still crossing my fingers and testing if it indeed works or not though.

Thanks again wimpytron for the location of the mic.
Reply
Old May 14, 2003 | 11:42 PM
  #40  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
here we go...

I've tested for awhile now without occurring any sudden volume increase after disconnecting the mic. Here are some of the pictures that I took along the way. I hope it helps everyone out there who's having problem with this crap.

First, remove the head lamp assembly.
Reply
Old May 14, 2003 | 11:45 PM
  #41  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Location of the mic

You won't be able to see the mic, Just use a flash light to follow the white and brown wire that goes to the front of the assembly. I yanked the wire and mic came out.
Reply
Old May 14, 2003 | 11:47 PM
  #42  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Here is the mic 'assembly'

Notice the shiny little mic that does all the magic of capturing the ambient noise.
Reply
Old May 14, 2003 | 11:48 PM
  #43  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Another pic of microphone

.
Reply
Old May 14, 2003 | 11:48 PM
  #44  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
close up

.
Reply
Old May 14, 2003 | 11:53 PM
  #45  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Unglugged!

unplug the connector. It's kind of hard to do with hand (i tried) but with proper tool, it's easy.
Reply
Old May 14, 2003 | 11:54 PM
  #46  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
Last one.

After this, just put everything back together and no more volume increase!

Thanks wimpytron again for the location of the mic.
Reply
Old May 15, 2003 | 01:34 PM
  #47  
wimpytron's Avatar
Almost a Member!
 
Joined: May 2003
Posts: 30
Likes: 0
mercedes c sportcoupe
ok! INDEED after i disconnect the microphone as described in the pictures it all was ok ! there was a bit glue at the microphone, so if you do this, handle with care ;-)

So, Finally this problem is solved, ONCE AND FOR ALL !!

a short summary of the facts :

IF YOU ADD AN AMP / SUBWOOFER TO THE BOSE SOUND SYSTEM THEN YOU RISK EAR DAMAGE DUE TO SUDDEN HEAVILY DECREASE OF VOLUME AND BASS. THEN THE VOLUME FLUCTUATES UNTILL YOU TURN OFF THE AMP OR SUB :

this is caused by the ambient noise that is measured inside the cabin by a bose microphone.

if you have this problem then you have to check the following :

1. The standard Volume Speed Control of Mercedez stock unit NEEDS to be disabled (otherwise it gives problems in combination with the Bose audio pilot) But, with a bose sound system it is already disabled. so, all the "so called solutions" to set SVC to db0 is CRAP !!

2. the ambient noise microphone of bose NEEDS to be DISCONNECTED as described on the pictures

3. then you can pump the volume up, with as much as bass as you like and you can connect 100's of watts or woofers/amps as many as you like to the bose system, no matter what is described on the bose site !!

Keep in mind that this is only a solution if your C class has a bose sound system.


Radical, thanks again for posting the pictures as "A Picture is better than a 1000 words"
Reply
Old May 15, 2003 | 11:41 PM
  #48  
baldo99's Avatar
Newbie
 
Joined: Mar 2003
Posts: 5
Likes: 0
2003 C230 Coupe
Radical,

What was your technique on removing the head lamp assembly?
Reply
Old May 16, 2003 | 01:22 AM
  #49  
radical's Avatar
Thread Starter
Almost a Member!
 
Joined: Apr 2003
Posts: 31
Likes: 0
03 E500
I used a flat head screw driver to ply out the plastic cover. There are two clips that you need to push near the light bulb. When you pushed those clips, the light assembly should just fall out.
Reply
Old May 16, 2003 | 01:21 PM
  #50  
tomz_racing's Avatar
Member
 
Joined: Jun 2002
Posts: 152
Likes: 0
c320 (w203)
hi,
is this problem only occur on c230k ? or can it occur to c320 ?
because i am planning to install 2 12" subs, 1000 zapco amp with a factory bose system.
any suggestions ?
Reply


You have already rated this thread Rating: Thread Rating: 4 votes, 4.00 average.


All times are GMT -4. The time now is 09:09 AM.

story-0
Six Gift Ideas Your AMG Loving Dad or Grad Will Cherish

Slideshow: Six gift ideas your AMG loving dad or grad will cherish.

By | 2026-06-03 17:26:18


VIEW MORE
story-1
7 Craziest Things AMG Gas Ever Built

Slideshow: Sometimes AMG builds fast sedans. Other times, it builds twin-turbo V12 land missiles and six-wheeled off-road monsters.

By Verdad Gallardo | 2026-05-26 17:59:58


VIEW MORE
story-2
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

Slideshow: Mercedes-AMG's new electric GT 4-Door Coupe trades combustion for software, synthetic noise, and more than 1,100 horsepower.

By Verdad Gallardo | 2026-05-20 20:08:15


VIEW MORE
story-3
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-4
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-5
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-6
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-7
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-8
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-9
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE