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SL/R129: Hello! Newbie to the Forums - Horn Question

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Old 01-29-2007, 10:54 PM
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Hello! Newbie to the Forums - Horn Question

Hi All...I've just registered, as I recently purchased a 98 SL500 Sport (black on camel, 64k miles, knock off Lorinser rims). I really am enjoying the car, but I just discovered I have no horn. I did a search and couldn't really find what I was looking for. Here's what I know:

1) Fuse checked, and is OK
2) When depressing the horn in the car, I can hear the relay click
3) When I press the "panic" button on the key fob, the alarm sounds.

A few questions: Is the horn on this vehicle the same as the alarm klaxon? (How would I know - the horn doesn't work!) If not, where is the horn located? (I think the alarm klaxon is behind the passenger headlight). Anyone ever experienced something like this before?

Thanks, and I'm looking forward to learning a lot. I was active on the Rennlist forums when I had my 1988 951, and I found them to be an invaluable resource...I'm sure my experience here will be the same!
Old 01-30-2007, 01:01 AM
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1985 380 SL 2001 SL 500 2007 E350 Sport 2008 T & C Ltd.
AMG,
Welcome. I wish I could be of some help with the horn issue but, you certainly can find a lot of info here. We have a good group of 129 owners here. Have you tried a search? Also might try benzworld.org. Post some pics on the picture thread when you get the chance.
Old 01-30-2007, 08:38 AM
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Originally Posted by crb49
AMG,
Welcome. I wish I could be of some help with the horn issue but, you certainly can find a lot of info here. We have a good group of 129 owners here. Have you tried a search? Also might try benzworld.org. Post some pics on the picture thread when you get the chance.
Thanks, CRB..Yes, I should've mentioned, I ran through the search function and found a bit of info. I actually found a post very similar to my own, but with no responses...
Old 01-30-2007, 05:09 PM
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1985 380 SL 2001 SL 500 2007 E350 Sport 2008 T & C Ltd.
Keep trolling. Something should come up. Good luck. At times like these, it's great to have a good relationship with a knowledgable mechanic.
Old 01-30-2007, 05:35 PM
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True, and I have one....Just thought I'd check the forums first...Thanks!
Old 01-30-2007, 06:15 PM
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'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
Originally Posted by crb49
At times like these, it's great to have a good relationship with a knowledgable mechanic.
Or a copy of the R129 Tech DVD. And at around $75, it's far cheaper.

The alarm klaxon is a different horn on your car.

Since you hear a relay click, you probably have a problem with the horns or wiring from the relay. I would check for voltage at the horns (picture).
Attached Thumbnails Hello! Newbie to the Forums - Horn Question-horns.jpg  
Old 01-30-2007, 08:49 PM
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Originally Posted by bobterry99
Or a copy of the R129 Tech DVD. And at around $75, it's far cheaper.

The alarm klaxon is a different horn on your car.

Since you hear a relay click, you probably have a problem with the horns or wiring from the relay. I would check for voltage at the horns (picture).
...and THIS is why I love forums like these...Thanks bobterry...I looked everywhere...except "up"...LOL
Old 01-31-2007, 12:08 AM
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1985 380 SL 2001 SL 500 2007 E350 Sport 2008 T & C Ltd.
Originally Posted by AMGSport
...and THIS is why I love forums like these...Thanks bobterry...I looked everywhere...except "up"...LOL

Classic... Me too. BT, where did you get the DVD?

Last edited by crb49; 01-31-2007 at 12:11 AM.
Old 01-31-2007, 02:43 AM
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2 SL with every Brabus mods available & Class A competition sound system
Welcome to the R129 family......AMGSport
Old 01-31-2007, 02:46 AM
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Originally Posted by bobterry99
Or a copy of the R129 Tech DVD. And at around $75, it's far cheaper.

The alarm klaxon is a different horn on your car.

Since you hear a relay click, you probably have a problem with the horns or wiring from the relay. I would check for voltage at the horns (picture).
Burn them (meaning make a copy)......& I willing to pay a small fee.......
Old 01-31-2007, 04:45 AM
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'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
You can purchase the DVD directly from MBUSA. See this website: http://www.startekinfo.com/StarTek/o...stedDocId=8002. I'm unable to make any copies...I don't even have the DVD myself at the moment.
Old 01-31-2007, 01:06 PM
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Thanks BT. Had no idea.
Old 02-26-2007, 07:34 PM
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Well, I finally got around to checking the voltage to the horns; all appears well. Relay clicks when horn switch is depressed, voltage gets to horns...no horn noise...

SO...any thoughts on replacing the horns? Original, used original, or upgrade?
Old 02-27-2007, 07:43 PM
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Originally Posted by AMGSport
Well, I finally got around to checking the voltage to the horns; all appears well. Relay clicks when horn switch is depressed, voltage gets to horns...no horn noise...

SO...any thoughts on replacing the horns? Original, used original, or upgrade?
get the Hella air horn...... it sound sweet.......
Old 02-27-2007, 09:14 PM
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Originally Posted by SL BRABUS
get the Hella air horn...... it sound sweet.......
Looks like mounting space is a bit tight for that...I was thinking Hella Supertones...

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