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'82 Euro 500SEL, '85 Euro 500SEC AMG WB Cabriolet,'86 Euro 500SEC RUF
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9,487 Posts
Yes. Fiber Optic lines from the octopus behind the ACC control/console wood. Octopus = Round plastic bulb holder with several fiber optic lines feeding the lights in the ACC console wood switches and shifter.
 

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1985 Mercedes SEC champagne with maroon interior 1991 300SE black with grey int.
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36 Posts
I was just in there and could not see the fiber optic line, the top row of switches had a bulb but I could not find where to put it and could not find the optic line and this is on my 85 SEC any one have pictures?
 

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1993 300D Black 350k, 1993 300D Silver 175k, 1984 300SD
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161 Posts
Discussion Starter #4
So if my 84 300sd has no light down there??

The fiber optic lines fall out??
 

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1986 420SEL/1995 E300D/4 BMW’s/2 Vanagon’s
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1,026 Posts
Man, if I recall, both my gen2's have an actual bulb in the shifter housing. Do the gen1 cars use the octopus?
 

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1983 300 SD, 1991 420 SEL, 1979 300SD
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536 Posts
it's possible that the line from the shift gate is disconnected at the octopus; it's one long piece (it can't disconnect from the shift indicator itself since it's permanently attached to it). the octopus also feeds lights to all top buttons above the climate control (except the hazard switch, it has a bulb of its own). the little black wires that connect into the top of each of the buttons is the fiber optic light source. if none of the top switches light up then the bulb is burned out; if it's just the shift indicator then it's probably disconnected at the octopus
 

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1989 560 SEC,1991 300 SEL, 1985 380 SL-Sold, 1982 300 Turbo Diesel-Parts Car
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160 Posts
My 91 300 SEL has a single bulb. I replaced it when I bought the car 14 years ago. My 89 SEC needs it done and I have been doing with-out since I bought that one 3 years ago. I seem to recall it was a pita.
 

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2012 CL550 4MATIC Coupe
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9,992 Posts
Man, if I recall, both my gen2's have an actual bulb in the shifter housing. Do the gen1 cars use the octopus?
Yes, this how my cars are. All Gen II's though. But they are actual bulbs.
 

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1985 380SE US SPEC
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173 Posts
Yes the gen 1 uses the octopus. If there is not a line feeding down below the shifter its possible some PO removed it for reasons unknown. Hopefully its still there but bunched up behind the ash tray or climate control panel.
 

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1993 300D Black 350k, 1993 300D Silver 175k, 1984 300SD
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161 Posts
Discussion Starter #11
i think most of the switchs light up, just nothing down on center counsol
 
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