Craiggotgame,

If this is the light assembly integrated into the front bumper/skirt assembly, there is a little release inside the front of the wheel well you push on and the lamp assembly pops out of the bumper/skirt. The bulb is in a little socket with an o-ring seal. You twist the socket and it unlocks, then the bulb is like one of those cheap Christmas tree lights that pull straight out. The procedure is outlined in the owner's manual with a sketch of the release tab you push to get the lamp assembly to pop out. Good Luck, Jim

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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)