No, I did not remove the airbag or do anything of the sort recently.
Mine used to flash 3 or 4 times (still does), but then immediately will stay on constantly for a minute or so.
Though I am in the process of detailing my car (just taking a break), and I noticed that the driver's side seat belt buckle, female part, is not connected completely. There are 2 plastic parts, and where the connect on one end, it is not in place, and I can't get it back in place... maybe this is the problem?
2006 E350 w/ 155k miles (Daily Driver)
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!)