New DAU or Helag Front to Rear Speaker Fader Swith OE Mercedes 900 820 05 51

New DAU or Helag, Front to Rear Speaker Fader Swith, OE Mercedes, 900 820 05 51

• Please see the vehicle applications listing above for confirmation that this item will fit your car.
   
  
• This is s NOS or New Old Stock genuine Mercedes part, without the MB packaging.
   
  
• I have several of these and some are made by Helag and some by Dau although they look the same.
  
  
• These are for the front to back speaker fader for mono as far as I can tell, and not for stereo.
   
  
• The Mercedes part number on these is 900 820 05 51 however I have no specific application information.
   
  
• I would assume these were used on the W108, W109, W114 and W115 models.
   
  
• The switches have the standard DIN speaker connection fittings.

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