daytime running

Hi, I turned on my Mercedes this morning and noticed that a message appeared on the driver dashboard: "Check front left daytime running light". So I got out of the car, had a look and saw saw that only the right side was on. Does anyone know how I can replace the light myself (preferably...

just bought a 2011 E220 CDi SE Exec. and have a question on the LED's. They are shown in the manual as surround lighting but NOT Daylight Running Lights or Side Lights so I'm not sure exactly what to call them. Q is; are they supposed to be on or off when moving ? They come on when I'm...