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Discussion Starter #1
today i was installing aftermarket hid's. i installed everything and when i went to go turn on the hid's it will just turn on for a sec and turn back off. and in the instrument cluster it should up as light default. can somebody please help me out thanks.
 

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The dealer must change a setting in the car's computer to make the HID's work. Someone else has found a work-around until he can get to the dealer. Maybe it will work for you. If you have the daytime running option turned on turn it off. With the ignition switch on, but the engine off, turn on the headlights. Now, start the engine. The lights shoud stay on. Good luck.
 

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Re: i was just wondering is that for all the mercedes, that you have to reprogram the comp

I don't know, but I think it would be true for all Mercedes which can sense bulb malfunctions. The computer on the C expects the headlights to draw 55 watts, but the HID's draw only 35 watts. An error is displayed on the MFD.
 
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