SL-Class (R129) 1990-2002: SL 280, SL 300, SL 320, SL 500, SL 600, SL 60 AMG

SL/R129: 1992 SL500 - stock radio -troubles

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Old Jul 18, 2021 | 08:11 PM
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1992 SL500 - stock radio -troubles

Stock radio unit with the trunk mounted AMP - the antenna goes up and down - the antenna is plugged into AMP/Booster unit in the trunk - radio gets ZERO reception - I get volume but only static - like it doesn't have an antenna hooked up..

Fuses are good in both units ( the 5 amp ones ). What should I look at - trunk mounted unit or the head unit in the dash - since I'm getting static volume - thinking the AMP part is OK -

any ideas ?

thanks much..
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Old Jul 22, 2021 | 09:53 AM
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Doing some more reading - it could be the trunk mounted unit - it's the radio tuner as the dash unit is just the head -

I found a part number on it 001 820 92 89 - I'd hate to buy something ship it to find out it isn't the issue - the used untis on Ebay etc seem to pricey - does anyone have one that was removed to install a 21 century DIN unit in the dash that they woudl be willing to part with for a reasonible price ?
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Old Aug 1, 2021 | 10:52 AM
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Still looking for someone who might have tuner/amp unit sitting in a box somewhere - I did post an ad in the classified section - not much on R129 stuff other than rims and roof's - this is the bit I'm looking for .. drivers side rear behind the trim - the ant plugs into it..


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Old Sep 9, 2021 | 02:21 PM
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thanks for the various replies - I have foudn one locally and installed and it solved my radio issue !
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