One problem related to door has been reported for the 1999 Mercedes Benz ML320. The most recently reported issues are listed below.
The door lock on this vehicle is malfunctioning again. It was repaired while the vehicle was under warranty but it has failed again with exactly the same symptoms. The dealer and the manufacturer will not commit to repair this without charging me. This is a common problem for mercedes Ml320's as evidenced by information on mercedes discussion web pages. This is a safety issue because the door could open in an accident. Dt.