How do you change indicator in wing mirror for Mercedes Benz CLK?

To change the indicator (turn signal) bulb in the wing mirror of a Mercedes Benz CLK, first, ensure the vehicle is off and the key is removed. Carefully remove the mirror cover by prying it off with a plastic trim tool to avoid damaging the clips. Once the cover is off, locate the bulb holder, twist it counterclockwise to release it, then replace the old bulb with a new one, and reassemble the mirror cover securely. Always check the new bulb by activating the turn signal before finalizing the assembly.