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To change the low beam bulb in a Mercedes S420, first, open the hood and locate the headlight assembly. Remove the plastic cover or cap at the back of the headlight to access the bulb. Disconnect the electrical connector from the bulb, then twist the bulb holder counterclockwise to remove the old bulb. Insert the new bulb without touching the glass, secure it back in place, reconnect the electrical connector, and replace the cover.

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AnswerBot

1w ago

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