SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: Strange as heck....mysterious problem - help?

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Old 12-05-2015, 06:30 PM
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SL 65 AMG, Porsche 911 (993), 2014 Cayenne GTS, 2013 Toyota Highlander Limited
Question Strange as heck....mysterious problem - help?

I open the door to the car and a low consistent static noise comes from the passenger side Bose surround sound system speaker and continues as I start the car and drive off.....without the radio on.....any ideas on what it could be........gremlin in my car....when I turn the radio on the low static is masked by the radio..........
Old 12-05-2015, 09:59 PM
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SL 65 AMG, Porsche 911 (993), 2014 Cayenne GTS, 2013 Toyota Highlander Limited
may be amp that is not grounded...we will see......
Old 12-06-2015, 09:12 AM
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My mind automatically goes to a connection issue: ground, insulation rubbed off, or maybe even a wire on the verge of breaking. The amp could
Also be losing a channel.

I know these cars a pretty well wired but I've replaced some broken wires on the older CLs in the door hinge area.
Old 12-18-2015, 09:51 PM
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new amp needed after testing all wires and ground.....
Old 12-19-2015, 09:49 AM
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Resetting ECU has fixed a couple radio related issues that I've had: Key to On position. Press gas pedal to floor and hold for at least 5 seconds. Turn Key Off. Release gas pedal.


Originally Posted by abiazis
I open the door to the car and a low consistent static noise comes from the passenger side Bose surround sound system speaker and continues as I start the car and drive off.....without the radio on.....any ideas on what it could be........gremlin in my car....when I turn the radio on the low static is masked by the radio..........
Old 12-19-2015, 08:46 PM
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Originally Posted by carlsturm
Resetting ECU has fixed a couple radio related issues that I've had: Key to On position. Press gas pedal to floor and hold for at least 5 seconds. Turn Key Off. Release gas pedal.
Thanks for posting this. Sounds like a nice little simple reset that could make some of the gremlins disappear.

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