At work I ahve to park on a hill with no curbs to turn my front wheels into. My emergency brake does'nt seems to be working well because when I put my car in Park the car rolls back and all the weight seems to rest on the transmission. When I place the car in Drive it really "clunks" in to gear. Is this bad for the transmission and will it cause damage in the long run.
Thanks.

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'88 MB 300CE 185K