'96 S320, 150K miles. With headlights off, instrument cluster and all dash lights illuminate everytime the brake pedal is depressed; bulb out indicator also illuminates, although no bulbs are defective.

Faulty instrument cluster or a defective brake light switch?

Hmmm. That is puzzling. Perhaps someone here will have the answers.

Holy Crap!

I actually have that same problem, but it seems to have magically fixed itself. I think that there is a poor connection somewhere that triggers this...

Try this, turn on your headlights and push the brake. Does the bulbout indicator light up? If not, then you have the same problem as I do.

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.

What you describe sounds like faulty wiring causing a crossed connection. I would look for wiring with failing insulation. Wish I could tell you where to start.

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KCScout
98 S420 My Wife's Baby
97 S320 My road car
83 300D My old road car (love that diesel)
81 300SD Wife's former Baby
81 240D A fun stick shifter
71 220D My first one

Did anyone come up with a solution?? I just changed my front brake pads and now my external burned bulb light indicator on th dash comes on every time I touch the brakes. I have checked to make sure the brake sensors were plugged in and I have check and don't find any bulbs burned out. I don't know where to look next.

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1983 300D Silver -mine- 185,000 w/ donor transmission
1983 300D Gray (Franklin) -parts car- 180,000- no transmission and no oil pan
1994 S320 Silver -wife's-135,000