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Questions & Answers
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Does these work for dual high and low? E350 2011 cabrio
D1S is the correct HID bulb for a 2011 Mercedes-Benz E350 equipped with factory HID headlights.
High and low beam functions are controlled by the headlight assembly, not the bulb. This system is known as Bi-Xenon. When the high beams are activated, an internal solenoid within the headlight assembly adjusts the beam pattern to produce the high beam.
For any other questions, please write to info@hidconcept.com
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Do these bulbs function as both low and high beam?
In some vehicles, there is a set of units called, "Bi-Xenon" headlights. These headlights use one set (2 bulbs) of HID bulbs for both high and low beams. When the high beam is turned on, the solenoid moves and a camera shuttle-like mechanism opens up to the full, high beam position. In conclusion, it is not the bulb's function, but the headlight assembly.

