How can I stop the buzzing that comes from the storage compartment area in the front door panels? They buzz from the bass notes even when the compartments are empty? Bass is set at +4, no higher. Thanks.

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)

You might want to investigate whether the speaker is actually defective in some way. Sometimes the voice coil of the speaker is causing the buzzing itself. Obviously if you remove the speaker and it stops buzzing it is not the speaker. If it is actually the door panel buzzing you might want to line the inside of the door panel with Dynamat to deaden the plastic from the that annoying buzz. Dynamat is available at most car stereo retail outlets or online.

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83 300CDTurbo 307,000
2005 Honda Element 266,000
56 Nash Ambassador Country Club Special 34,000(under restoration presently)

http://www.peachparts.com/shopforum/car-audio-multimedia/125099-123-install-extreme-dynamat.html