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Old 10-08-2007, 12:10 PM
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Location: roslyn, LI,NY
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need source for gears for hirschmann antenna

On my 450 sl 1977 the antenna motor works, but mast does not go up or down. Appreciate some info on gears replacement for model 485. hirschmann. Regards, Abe G
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Old 10-08-2007, 03:33 PM
Bob's your uncle
Join Date: Aug 2007
Location: Charlotte, NC
Posts: 76
If it was me I am not sure that I would bother about just replacing the gears. You can buy replacement antennas from Performance for less than $200 (-15% if MBCA member).

Have you taken the antenna apart? Are you sure that it is the gear? The gear is pretty simple and I donít see it break. It might be the drive beltÖ.
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Old 10-08-2007, 04:18 PM
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Location: Ocean Isle Beach, NC
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Walter is your man.

'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - being parted out
'99 E300 turbo 219,500 miles
'03 SLK320 40,000 miles - gave to my daughter
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Old 10-08-2007, 06:47 PM
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Join Date: Oct 2006
Posts: 252
I've had that problem with both my 450SLs and in both cases the only thing I had to replace was the antenna mast. It costs less than $30, goes in quickly and I haven't had a problem since I replaced them.

On my 78 I tried to clean and lubricate the old mast and it kind of worked for a little while, but I eventually just got the new mast and it's been flawless since then. On my 75 the old antenna was seized solid and the motor wouldn't grab the new mast so I took the box apart and found it 1/2 full of dirt, sand and crap. I cleaned it out, lubricated everywhere with some good lithium grease and fed the new mast in. It's worked beautifully ever since then.
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Old 10-08-2007, 09:58 PM
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Join Date: Mar 2003
Location: Convent Station, NJ
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The mast whip and two large nylon gears are common problems. The gears go when the antenna sits for a while and the mast is forced up when the telescopic segments stick together. The lobe on one of the gears breaks off easily.

Ebay sells "Generic" Hirshmann electric replacement antennas for about $40 and the mast/whip assembly for a bit less. Replacement parts can also be purchased from

'85 380 SL (sold)
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Last edited by RickM; 10-09-2007 at 09:42 PM.
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Old 10-08-2007, 10:17 PM
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Location: St. Joe, MI; Manitowoc, WI
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Raul at Antennaworld has helped me alot with my antenna needs. Ha has scored parts and a new KE cheap! He's the go to guy

Thank You!
2001 E430 Sport, 204,000 miles
1997 C280 Sport, 144,000 miles
1991 300SL, 189,000 miles
1987 420SEL, 149,000 miles
1986 190e 2.3 16v, 151,000
1968 W30 442, 78,000 miles
1988 46' US1 Cougar, 3 supercharged 572's
Warming the globe, 24 cylinders at a time
And I want a 126 wagon! Point me to one!
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Old 10-09-2007, 12:03 PM
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Join Date: Feb 2003
Location: roslyn, LI,NY
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Thanks for referals and help antenna repair

I apprciate he time and consideration of your referals and am following up on same. Will keep you all advices. Thanks again, Abe G
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