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  #1  
Old 04-02-2001, 05:50 AM
David C Klasse's Avatar
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Location: Mission Hills in the City of San Diego
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I was wondering... is it possible to use my car's existing cell phone prewiring for an aftermarket cell phone? I know my car has the speakerphone speaker in it (and the mic, I believe). I really want a speakerphone for my cell phone, but cannot find one. I really think this is too complicated, and would be WAY TOO MUCH 'custom' work, but was wondering if anyone has in fact done it, or if anyone thinks it might be possible... Thanks.

(John Shellenberg, can I buy (where?) piezzo buzzers to put on the inside of my car and hook it to the existing alarm module? Thanks.)
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #2  
Old 04-02-2001, 09:09 AM
MBenzNL's Avatar
MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
...everything is possible...

What do you currently have and what do you want/have in mind?

greetingz,
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1993 C250D
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  #3  
Old 04-02-2001, 12:59 PM
David C Klasse's Avatar
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Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
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MBenz, that is really good to hear!
I have a SAMSUNG 8500. I don't have anything for it yet, but I was thinking I would probably need to buy something, (ie handsfree kit/earpeice & mic)to get a hook-up from the phone itself.
Steve, whenever I think something is possible, it's not, and whenever I think something isn't possible, it is!!
THANKS
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #4  
Old 04-02-2001, 02:10 PM
MBenzNL's Avatar
MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
I have a Nokia carkit hooked up to the OEM MB speaker, microphone and antenna. The european mobile phone additives in a benz are different as in the states, but if you can get a carkit for that samsung, you could hook it up to some of the OEM mobile phone parts in your car...

What cellphone accessories does your car have?

greetingz,
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1990 300SL-24
1993 C250D
with a minor 600+k kilometer
www.MBenzNL.com
(the Netherlands)
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  #5  
Old 04-02-2001, 02:30 PM
David C Klasse's Avatar
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Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
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MBenz,
I know that I have all of the prewiring for the cell phone, and I have the high fidelity speaker in the rear deck used for the cell phone, I can't be sure if I have the mic, I have never seen it, but maybe I do.
So I definitly need to start off with a handsfree kit? I will go out and buy one today.
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #6  
Old 04-02-2001, 07:31 PM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
John,
Is it necessary to put the piezzo buzzers behind the dash?? Can't I mount them somewhere else inconspicuosly?

Steve,
What is my next step?

(I have the prewired cell wiring, including speaker in rear deck, not sure about the mic (I can't visibly see one on the overhead console), I have the big hookup for the cell phone in the trunk behind the drivers side panel, and I have 2 hookups in the center console, one like a regular (American, I don't know if it's different) phone jack, and another 2 (or 4?) prong hook up.
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #7  
Old 04-02-2001, 09:13 PM
MBenzNL's Avatar
MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
David,

Can you get me some digital pics?

You can mount the piezo siren above the right lower dash panel. There are holes in that panel to let the sound come through.

greetingz,
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1990 300SL-24
1993 C250D
with a minor 600+k kilometer
www.MBenzNL.com
(the Netherlands)
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  #8  
Old 04-02-2001, 09:57 PM
Bigshot
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So what you guys are saying is that the phone in my armrest and above my mirror can only be hooked up to AT&T and Bell? What about Verizon now that they merged?
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  #9  
Old 04-02-2001, 10:39 PM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
MBenz,
forget about the Piezzo for now, I want to do the cell phone thing first. Thanks
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #10  
Old 04-03-2001, 04:40 AM
MBenzNL's Avatar
MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
AT&T, Bell, Verizon?? Are those the GSM operators in your neighbourhood? Are they all on 1900MHz or is one of them on 900MHz? (I have heard that 1900MHz is common for the states and that 900MHz exists in some parts of the country as well)

greetingz,
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1990 300SL-24
1993 C250D
with a minor 600+k kilometer
www.MBenzNL.com
(the Netherlands)
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  #11  
Old 04-03-2001, 11:27 AM
Registered User
 
Join Date: Mar 2001
Location: NY
Posts: 160
MBenz,
There are no GSM cariers in the States, only in Europe.
I'm dealing with the same problem as is David, but the setup is diffrent in the E calss. I was wondering if there could be an adapter that plugs right into the phone jack in the center console that would make my Sprint Samsung work like a factory handless ?

Bigshot: I think you can hook up with Verizon.


Hope someone hears my cries, YO
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  #12  
Old 04-03-2001, 12:43 PM
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Join Date: Feb 2001
Location: Chattanooga, TN
Posts: 146
Yury,

Although it has nothing to do with this thread, there are GSM services in the US from Powertel, PacTel, Nextel, and others. The fundementals should be the same regardless of technology, you need to connect to an aux speaker and mic, and finally to an antennae. Today's mobile handsets are great, but I think each one may require a different approach to installation in that they do not share a common standard for speaker output impedence or microphone input level. My thought would be to buy a car kit for the phone of interest, determine the wiring connections, and "splice" it into the existing wiring. Not trivial, but I do not think impossible.

Steve
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  #13  
Old 04-03-2001, 01:11 PM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
The only problem for me is that they don't make a Speakerphone for the Samsung 8500, I have looked EVERYWHERE.
Do you think that I can splice the earpiece bud and hook it to the high fidelity speaker? I don't think it will be powerful enough to be used actually as a speakerphone? Maybe if I could wire somehow through the connections in the center console? But I don't know what wire is what?
STEVE, we need help!!
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #14  
Old 04-04-2001, 04:05 AM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
I just want to make sure that this thread does not get shoved down and lost. I really want to do this.
And Steve, I think you are the only one that can help me/us with this! If not, then speak up whoever you are!!
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #15  
Old 04-04-2001, 10:58 AM
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Join Date: Feb 2001
Location: Chattanooga, TN
Posts: 146
Does anyone have a set of the service amnuals (on CD)? There must be a schematic for the wiring of the factory phone. I went to the Nokia web site (http://www.nokiausa.com/accessoriesphone/1,2524,6185,00.html), and called up a detailed explanation of the car kit. I think everything is there to hook this puppy up. Similar information must be available for other manufacturers car kits. It even indicates that it will work with an external antenna, ignition sensing, and car audio mute. It does not say what the impedence of the external speaker it drives is. so there may be a load differnce tht needs correction.

Don't know if this helps or adds to the confusion, but I intend to give this a try this summer.
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