Push it back in to free up the binding on the clip, then hold it straight when prying out again, otherwise like stated earlier try to pry from 2 opoposed positions. It sounds to me like the shaft and/or clip are binding due to the angle of removal.

__________________
08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280