How do you remove the plastic piece on the front edge of the sunroof. It creaks because it is loose or broken. This happened because the dealer had "repaired the sunroof" and the height of the sunroof in closed position is too low (already had to have it adjusted after their repair when the sunshade wouldn't even move). I'm guessing that like the rest of the car there are clips, easily breakable clips, I'm sure. Thanks.

Which peice do you mean? The black, plastic (trim?) peice on the inside of the sunroof itself (at the very front)?

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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)

Exactly.