To replace the low beam bulb on a 2003 Mercedes SL 500, first, open the hood and locate the headlight assembly. Remove the cover by twisting it counterclockwise, then disconnect the electrical connector from the bulb. Take out the old bulb by turning it counterclockwise and replace it with a new one, ensuring not to touch the glass part with your fingers. Reconnect the electrical connector and replace the cover, ensuring it’s secured properly.
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