Mercedes 116 123 Early Vacuum Door Lock Actuator Assembly

These vacuum actuators are located in both rear doors and right front door. This is the early style. Failure of these units is the number one reason for door lock failure.  There is not one in the drivers door, that has a switch only. If your vacuum door locks are not working properly often it's these door lock actuator diaphrams that are leaking. Be sure to purchase my Advanced 123 Door Lock Troubleshooting Guide for more information on diagnosing your problem. These units come without the control rod you can use the control rod off one of your actuators it is easily attached with a small c clip.

Fits 240D 300D 300CD 300TD chassis sedans coupes and wagons 1977-1978 only. Fits all 116 sedans 1973 to 1980 including 300SD.