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2005 CLK500 black,2012 E350
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391 Posts
Discussion Starter · #1 ·
Need to remove power antenna unit in trunk without breaking anything;
previous threads say remove but no detail.
The nylon gear is broken inside the unit but not sure how to take it out to take the cover off and remove the broken piece.
 

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1994 SL320 (R129), 2002 S500 (W220), 2006 S550, 2012 Ducati 848Evo Corse SE
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124 Posts
U have to do it inside the trunk. Remove the inner fabric cover and the rear light unit to expose the antenna system. I remember there is a screw bolting the bottom of the antenna and another 1or 2 Bolts holding the upper parts, remove the power plug and the antenna cable connected withe the antenna unit. You can then slide the antenna out. I suggest u order the repair pack from the antenna manufacturer rather than buying the whole replacement unit from eBay. It's easy to replace gear once you receive the repair pack. I did that more than a year ago. It's easy and the antenna still works great! Let me try to find the repair pack info and get back to you. Good luck.
 

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2008 CLS 550
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301 Posts
I bought a full replacement antenna for mine right after I bought it last year because it would not go up and was up the first section all the time. After a while and some oil on it, it started working fine. But the last section stays up. I think it is bent some.
Anyhow, today I noticed it was broken, bent, this evening after coming home from work, I just broke it off (it was laying back on the trunk).
I think the boys must have hit it with a football or something and did not tell me about it for some reason!

Guess I get to use the new antenna still in the box now!

Glenn

PS, seems it was hard to get to the inside due to metal structure of the body.
 

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94 SL600, 89 Jag XJS conv, 85 Daimler Princess, 97 993 63 Avanti 16 Lincoln MKZ hybrid 16 Silverado
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725 Posts
CD

to get more access, I removed the CD changer. The lowest attachment point, once detached permit the Hirschman unit to flex so that the removing the outside retaining chrome bolt lets the unit drop threw the body hole and after disconnection the wiring and cable the unit can be dismantled on a work surface.
Did you find the nylon rolling plates repairable? The engagement tine was sheared off so the whole unit replacement was my only solution.:mad:
 

· Registered
1994 SL320 (R129), 2002 S500 (W220), 2006 S550, 2012 Ducati 848Evo Corse SE
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124 Posts
Let me check if there is any online instruction and get back to you. I remember the space is very limited so it's tricky to take away the unit at the 1st time. I'm sorry as I can't move my bud to open up my own SL and take some photos.....as I just had a surgery a few days ago...that's why I can keep reading this lovely site on bed now.;p
Remember to replace the black antenna grommets set. The existing one is brittle and old enough to disintegrate.
 

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'93 SL500 (sold), '88 GMC Sierra 360,000 miles, '86 Yamaha FJ1200 (criminally fast)
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765 Posts
Remove antenna -outside ring. then turn on ignition / turn on radio. The antenna should raise up...... as it does, carefully "help" the antenna up, and it should raise completely out... plastic teeth band and all.

radio off

NOTE the way the teeth are pointed when it comes out.

New antenna shaft..... feed plastic teeth into tube until it feels like it stops...

With a slight pressure, "help" it down, when you turn radio on, ..it should feed back into the coil gears / housing.

Return exterior ring back onto fender mount.

Done

In short.... remove ring at fender - antenna will come up & out.

Reverse to install new.
 

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1994 SL320 (R129), 2002 S500 (W220), 2006 S550, 2012 Ducati 848Evo Corse SE
Joined
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124 Posts
I had the antenna mast running out from the antenna system by accident but couldn't force it back in the way as mountie55 said but his steps are absolutely right and stated in wis too. I had to unscrew the antenna system from the trunk, opened up the housing and fished the mast back in place. It was pretty tricky as I had to keep the antenna motor unplugged, turned on the radio and let the antenna motor run until it stopped by itself, inserted the antenna mast tip into the housing, assembled the housing, turned off the radio and the motor rolled the full antenna back into the housing. Try mountie's steps first...
 

· Registered
'93 SL500 (sold), '88 GMC Sierra 360,000 miles, '86 Yamaha FJ1200 (criminally fast)
Joined
·
765 Posts
I had the antenna mast running out from the antenna system by accident but couldn't force it back in the way as mountie55 said but his steps are absolutely right and stated in wis too. I had to unscrew the antenna system from the trunk, opened up the housing and fished the mast back in place. It was pretty tricky as I had to keep the antenna motor unplugged, turned on the radio and let the antenna motor run until it stopped by itself, inserted the antenna mast tip into the housing, assembled the housing, turned off the radio and the motor rolled the full antenna back into the housing. Try mountie's steps first...
Yea..... If the quick & "lucky" way doesn't work ( feed it down the tube) Then opening the housing works, and not hard to do... It just takes a bit longer.
 
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