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1990 560SEL
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198 Posts
Discussion Starter #1
I think other than the air conditioner, the antenna on my 560 has had more replacements than any other part --- including oil. It's doing it again --- sometimes rising to half mast and sometimes full staff (hum, the car's only 15 years old, I didn't do that until I was 50) [}:)]--- anyway --- is there something I can do, (about the antenna, I mean) --- I apply WD40 liberally (to the antenna --- stay focused now)--- but that doesn't seem to last long.
 

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1991 300 SE
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18,534 Posts
I would suspect that the toothed plastic cable in the motor is worn and slipping, or missing teeth, causing partial extension. Replace the cable or give it viagra.
 

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1990 420 SEL
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84 Posts
In my experience, I stuff up the antenna mast everytime I apply WD40.

WD40 is the cause ! It attracts dust and dirt unless you reapply WD40 on a daily basis to keep it smooth.

What you should do is to apply Grahpite Poweder instead.
 

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1990 560SEL
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198 Posts
Discussion Starter #4
Thanks, guys: Is it an easy fix to get to the antenna mechanism and clean it and determine if there's something mechanically wrong or a part that needs replacement? (I am very 'handy' with most things but the last car I worked on was a '63 Rambler). BTW where to you go for parts for the MB not the Rambler? [;)]
 

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1991 300 SE
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18,534 Posts
I did buy a mast and cable on eBay a while ago, when I had the same problem. The price seemed reasonable.
 

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87 420SEL, 89 560SL, 92 300TE
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62 Posts
Hello!

There is one way I have found to "resurrect" a troublesome antenna mast- get it to full extension, polish it up with "Nevr-Dull" (http://www.nevrdull.com/ - great stuff!). Buff it thoroughly to remove any traces of the Nevr-Dull, then lubricate it with graphite or another "dry" lube, as KKC27 suggested. This won't work if the mast is dented or badly scratched.

Failing that, the mast/cable kits jdc mentioned are only about $25 US. Make sure you get an OEM "hirschmann" replacement- look for the "h" and a code such as "03" or "27" on the antenna tip. Replacement takes two people in an SEL- unless your stereo has a remote or you are VERY fast on your feet! [:D] It only takes about two minutes, though.

-Robert
 

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1985 300sd
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445 Posts
teoteodore - 5/6/2005 7:22 PM

I think other than the air conditioner, the antenna on my 560 has had more replacements than any other part --- including oil. It's doing it again --- sometimes rising to half mast and sometimes full staff (hum, the car's only 15 years old, I didn't do that until I was 50) [}:)]--- anyway --- is there something I can do, (about the antenna, I mean) --- I apply WD40 liberally (to the antenna --- stay focused now)--- but that doesn't seem to last long.
Mine doesn't go up anymore, I always listen to CDs.
 

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Moderator
190E, SLK350
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66,979 Posts
Try some Viagra in the gas tank, the car will repond with a full mast.
Here' is what I found: sometimes the mast is bent a little hence it will stick midway as the motor is not strong enough. Help the mast up and streighten it then clean it with wd40, dry it and then apply some lubricant. If the inner plastic mast is not broken, this should work otherwise the motor has had it.
 

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1990 560SEL
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198 Posts
Discussion Starter #10
We've now gone full circle! I think the best answer was to clean the hell out of the antenna and then graphite- (or nothing-) -it. BTW, isn't part of the Viagra add that says if your 'full mast' lasts for more than six hours call your doctor --- he's the last person I'd call [:p]
 

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1991 300 SE
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18,534 Posts
Actually Viagra’s out; use Cialis – that way you can listen to music any time you want during a 36-hour period.
 
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