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hIYA PPL, NEW TO THIS SO TAKE IT EASY WITH ME. GOTTA 1992 500SL WHICH HAS MOTORISED/MEMORY SEATS ON THE PASSENGER SIDE. BUT THE BACK AND FORWARD MOTION IS STUCK.......CAN HEAR THE MOTOR TRYING.....CANT WORK OUT HOW TO TAKE THE SEAT OUT AND CLEAN IT AND TRY AND FIX IT....???? ALSO HOW DOES...