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W204 Intelligent Light System Problem

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Old Aug 9, 2015 | 11:44 AM
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W204 C280
W204 Intelligent Light System Problem
Dear forum members, I am new to here and I have a W204 C280 which I very love. A few day ago, the intelligent light system startup is different from before, the light (set at auto mode) would not "move up and down" when starting my car. So, is it must moving up and down when startup or sense automatically when it is needed? Please reference the following 0:05-0:09 for exactly what my meaning.

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Old Aug 17, 2015 | 07:20 AM
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Does anyone know what is the problem and how to solve this issue? The lights will not auto leveling when startup the car.
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Old Aug 19, 2015 | 12:25 AM
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Do they appear to be out of alignment when you're driving -- either too high or too low?
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Old Aug 19, 2015 | 10:43 AM
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Hi ChuckinTucson, they are well aligned when driving but just no auto leveling when startup my car, so, not sure what is the problem besides.


Originally Posted by ChuckinTucson
Do they appear to be out of alignment when you're driving -- either too high or too low?
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Old Aug 21, 2015 | 11:43 AM
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Originally Posted by Albert_Einstein
Dear forum members, I am new to here and I have a W204 C280 which I very love. A few day ago, the intelligent light system startup is different from before, the light (set at auto mode) would not "move up and down" when starting my car. So, is it must moving up and down when startup or sense automatically when it is needed? Please reference the following 0:05-0:09 for exactly what my meaning.

Mercedes-Benz Intelligent Light System - YouTube
Do the headlights move left and right before up and down? If it is just the up and down alignment, I would bring the car to a workshop. The ILS may need to be initialized again on the computer
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Old Aug 21, 2015 | 12:18 PM
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No left, right, up and down movement anymore. Not sure if this is caused by not enough battery voltage or any other issues else?

Moreover, the headlights can be initalized again? That means reset the headlights to the very beginning?


Originally Posted by capt_paul
Do the headlights move left and right before up and down? If it is just the up and down alignment, I would bring the car to a workshop. The ILS may need to be initialized again on the computer
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Old Aug 22, 2015 | 06:12 PM
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It may also be a bad ILS control unit, which is located under the right front floorboard
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Old Aug 23, 2015 | 11:02 AM
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Would you please show me a photo about the ILS control unit and the exact location on the floorboard?

Thanks for your advice, capt_paul.

Originally Posted by capt_paul
It may also be a bad ILS control unit, which is located under the right front floorboard
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