C32 AMG, C55 AMG (W203) 2001 - 2007

Will H7 LED light bulbs work on C55

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Old May 5, 2025 | 06:36 AM
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2006 C55 AMG
Will H7 LED light bulbs work on C55

Hello,
Pardon me for asking a question that may have been asked over and over. I am new to the forum. Scored a mint 2006 C55 my first Mercedes.

The lighting on this car can be a bit temperamental. Replaced a side marker #168 bulb no problem. Tried the same bulb in the headlight assembly and it would turn on then immediately off making me think the computer just did not like it.

The headlight bulb H7 is 55watts and not bright or white enough for me. It just does not light up the road enough or far enough.

Question, would a Sylvania H7 LED bulb be compatible with this car.

If not what would be a decent upgrade or trick I can use to get more bang for the buck.

Thank you for your time.
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Old May 6, 2025 | 02:08 PM
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95 SL600
I have tried LED bulbs in these cars with no success. The SAM modules don’t like them and they shut them off. These cars are very finicky with bulb resistance, especially led bulbs
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Old May 8, 2025 | 05:42 AM
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2006 C55 AMG
Thank you for sharing your experience. It’s a bummer being a great car but could use some modernization in the lighting area.
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Old May 9, 2025 | 01:14 PM
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I’m sure there’s something out there, I have a harbor freight hid kit in my e55 that has been in there for 17 years and still works with no dash warnings, the led parking bulbs do however not work, and I believe they have damaged the Frint SAMS permanently
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