Tonight when I started my 1999 E300TD the "Lamp Defective" warning came on. I checked all my lamps including my brights, fog lights, side lights, tail lights, license plate lights and blinkers. I had my dad check my brake lights and reverse lights. Nothing seems to be burned out. Are there any lamps I am overlooking that could have set off this warning? Thanks

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2006 E320CDI- current dd
1999 E300TD - retired
Wilmington, NC USA