79 300D blinker issue - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 07-19-2011, 04:47 PM Thread Starter
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79 300D blinker issue

Just got my first MB... a '79 300D, so bear with me...

I'll start with the small issue-
My driver's side blinker seems to be confused- it is permanently illuminated when my head lights are on, and seems to use the sidelight (which should be constantly on) to blink, i.e. I can see a faint blinking, and the driver's side sidelight is WAY brighter than the passenger.

Any ideas? I need to fix this to pass inspection.
And thank you for your help in advance.
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post #2 of 3 (permalink) Old 07-19-2011, 06:10 PM
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Vehicle: 2012 Toyo Camry SE, 1987 420 SEL, 1982 300 CD (Gone but not forgotten)
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samll issue, small answer

Sounds like on the drivers front marker / blinker light someone installed an incorrect bulb. The front turn light should be a 2 filament bulb one lower watt element that is the side marker light when the lights are on and the second brighter for use as the turn signal the turn signal.
If you put a brake or tail light bulb (single filament) in that socket you get exactly what you are describing. go to ANY auto parts store look up the correct bulb for the front marker / turn signal and you should be good for inspection.
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post #3 of 3 (permalink) Old 07-20-2011, 05:02 AM Thread Starter
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Thank you for your help, NW.

Sounds like I should be good!
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