I'm trying to repair the gear/shiftbox illumination on my parents' 1982 300SD. Before I go gently ripping apart is there actually a bulb down there somewhere or is it an optic fiber cable from back behind the hvac controls? TIA.

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'86 560 SEL shifter light bulb replacement

Thanks. I searched but never got that thread. I did find that optic fiber thread. It looks somewhat like an 1/8"-wide strip of paper, but it's about 6"-7" long that goes from under the shifter housing to up behind the ashtray. I looked but didn't see where it was exactly going to. I pulled it from behind the dash and will rig up a little bulb to feed it.