How to replace indicator bulb on w124?

To replace the indicator bulb on a Mercedes-Benz W124, start by accessing the turn signal assembly. Remove the lens cover by unscrewing or unclipping it, depending on your specific model. Once the cover is off, twist the bulb socket counterclockwise to remove it, then pull out the old bulb and insert a new one. Finally, reassemble the socket and lens, ensuring everything is securely fastened.