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#1
12-12-2005, 10:32 PM
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W140 Bose radio volume control.
I have a '95 W140 with the Bose radio. Sometimes when turning the knob to increase or decrease the volume, nothing happens or it works in reverse -- like if you want to lower the volume it gets louder. When this happens, it seems to work best if the knob is turned slowly. My question is; how is the volume controlled? Is it a resistor type with contacts that may be somewhat corroded or is it electronic? How can it be fixed? Is there any repair shops that work on this type of radio? Thanks!
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1995 S-350 370K + SOLD 1952 220B Cabriolet 39K kilometers + SOLD 1998 E300D 310K + 2012 E350 BlueTec 120K 
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#2
12-12-2005, 11:01 PM
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Ive witnessed this on several of those head units MB used in the 90s with the one knob.
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99 C43 98 S420 99 C230K 01 C240
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#3
12-13-2005, 12:07 AM
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__________________
The Mercedes Specialists Since 1986
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Linear Mode
