Intelligent Xenon light not working
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W164, W166, GLK350
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The low and high beam in the left xenon headlight are not working. iCarsoft shows a fault. Interestingly the test shows that my right headlight is not fitted. The error message says: "The left xenon bulb has a malfunction. There is an internal Electrical fault". I checked the burning voltage and it is 255V for the left deceptive unit , and it is . It is 97V on the functioning left headlight. My tester suggests that the issue is with the control module for the hight adjustment. Part number is A166 901 5801. It sits in front of the front SAM, close to the firewall. How can I get to the connector? It look s like the blower housing need to be removed? What am I missing?
Last edited by LoveMB69; 01-14-2024 at 11:55 AM. Reason: More details.