One problem related to door hinge has been reported for the 2000 Mercedes Benz CLK320. The most recently reported issues are listed below.
Door check on driver side door failed after 70,000 miles. When part failed, door check made opening door difficult causing safety hazard. Also, door check failure resulted in deforming internal power window track. Could not open window causing safety hazard. Required owner to completely replace drivers side door on vehicle in order to be able to open window again. (cost of replacement $2600. 00 which is excessive considering the low cost of the door check part. ) owner believes that the door check part may be substandard in design and/or defective in nature.