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C300 W204 Check Park Light warning

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Old May 7, 2025 | 11:03 AM
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C300 W204 Check Park Light warning

2011 WDDGF8BB2BR164591

I have a crazy question. I consider myself un-stupid (for the most part). I have the "Check Front Right and Front Left Parking Light" warning notification. Of course, this only happens when the lights are on, or the light switch is on Auto and it gets dark. It looks to me that all the lights are on. No LED, factory light assemblies. Here's the question. Where are these particular bulbs? Am I missing some hidden light that I'm not seeing? I've had the headlights out and it seems all bulbs are lit. Are these bulbs lit but not sending enough resistance/load to the control module? Any help or comments, (good or bad), are appreciated. Cheers.



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Old May 7, 2025 | 01:27 PM
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From: MA Coast
W204 2010 C300 4matic Sport M272
There are two bulbs in each headlight along the top for parking lights.

Im guessing each side has a bulb out. Happened to me, both went out at the same time oddly enough. With the lights on look inside the lens very closely and see if in fact two bulbs are on. If not replace them.

The original Mercedes bulbs have a blue color on them so the light appears whiter. I just replaced them with regular long life 2825 bulbs.

Each bulb has a little cap on the back that twists off. Then I used a long pair of needle nose pliars to remove the bulb, i think the connector is attached to it so be careful not to pull the wire off.

Or i could be wrong and theres another issue.

Heres an article on the various headlight bulbs. https://www.pelicanparts.com/techart...Ht5m-eFZlx6Uw3









Last edited by TimC300; May 7, 2025 at 01:31 PM.
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Old May 7, 2025 | 02:16 PM
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I bet you are right!! I see one on each side, thinking that was correct. I bought the car, and the warning was there from the start for me. Thanks for the reply and the pics. Helps tremendously. I didn't want to pull mine out just to see where the bulbs are. Cheers!!
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