SL 600 (129.076) V12-6.0L (120.981) (1995)
Pneumatic line (6)
Lever off with open-end wrench (width between flats 7).
Spring clip (20)
Pull off.
Element (16)
Take out.
Pneumatic function of the element
Check. See: Locks/Power Locks/Power Door Lock Actuator/Testing and Inspection
In order to replace link element (26)
Rebuild or if necessary renew.
Element
Install in reverse order.