E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

Lamp Defective message, all lights appear OK

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Old 06-14-2023, 03:35 AM
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320e
Lamp Defective message, all lights appear OK

Yesterday the "Lamp Defective" illuminated. I have gone round-n-round the vehicle and inspected and tested every permutation of lights I can imagine - all working. In the past when the message appeared, there was indeed a burned out bulb. The icon that looks like the Windows "copy" icon is lit as can be seen in the photo below. Can one tell which bulb is out by the warning display/icon? Any suggestions on what else to check?
Thank you for your help and suggestions.

Last edited by davmil2002; 06-14-2023 at 03:37 AM.
Old 06-14-2023, 08:10 AM
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E320 4matic
I've had the same issue, too. It seems to come and go. I noticed that the wiring plugs for the front headlamps have melted a bit. I suspect their condition might contribute to a voltage variation that trips this light. Not sure.
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davmil2002 (06-16-2023)
Old 06-16-2023, 12:50 AM
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finally found it

the error is correct. the license tag actually has 2 light bulbs.
Thanks all

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