Does anyone know the bulb type that illuminates the ambient temperature display in a 1993 W140? Iwould prefer to purchase the correct bulb before I pull the cluster. I seem to recall that this bulb is soldered to the board and not in a socket, but can't remember where I read this.

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Richard Seaman
1982 300D Turbo 198k
1987 420SEL Sold
1993 400SEL 123k
MBCA Desert Stars