2008 CLK 550 - TRANSMISSION LOCKED IN DRIVE, WHEN SHIFTER INDICATED THAT CAR WAS IN PARK. WE WERE ADVISED THAT A SHIFT LINKAGE CLIP BROKE. THE CAR DROVE UNCONTROLLED INTO A LOW WALL DAMAGING THE VEHICLE. HAD THIS HAPPENED 5 MINUTES BEFORE IN A HOSPITAL PARKING LOT, THIS COULD HAVE CAUSED SERIOUS INJURY. *TR