Hi all, another small problem to ask about, I'm having some issues with my headlight switch and some stuff related to it.

As w124 owners are aware, our cars have both headlights and foglights. Due to the american headlights being very weak I drive around with my fog lights on as well in order to put out a decent amount of light. Both the headlight and foglight bulbs in the car are newish, less than 6 months old.

The other days driving at night I notice that the indicator light is on about a dead bulb, so I look and see one of the fogs lights is out, no big deal. So it's like that for a couple days, then the other night I go to flip on the fog lights and I notice that the indicator light is now off, which should mean that no bulbs are out. So I go to look at them and now they're both out! I can imagine them both going out, but the indicator light in the gauge pod isn't on, so something, somewhere is in this circuit is bad.

I figure I'll test the bulb connectors with a multimeter to see if there's any power going to them, but other than that I really don't know what it could be. Does anyone know about this kind of stuff?

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1992 Mercedes-Benz 400E
2002 Mercedes-Benz ML500