My rear door locks quit working at the same time. on 2006 Mercedes-Benz C230

My rear door locks quit working at the same time. The manual plunger on both doors came off. One door does not open from outside. One door makes multiple knocking noise.

by in Dallas, TX on August 14, 2013
1 answer
ANSWER by on August 14, 2013
MOST LIKE A BAD DOORLOCK ACTUATOR AND THE DOOR THAT KNOCKS. THE OTHER DOOR MIGHT JUST HAVE A JAMMED LINKAGE. NO WAW OF KNOWING UNTIL THE DOOR PANEL COMES OFF THOUGH. LET ME KNOW IF WE CAN HELP