SL 600 (129.076) V12-6.0L (120.981) (1995)
screw (8a, Figure 3). Release tension (valve keepers are installed).
Mercedes-Benz Universal Valve Removal/Installation Tool
Operating Instructions
Removing valve keepers
1.
Remove all necessary components to expose valve spring retainers, utilize known methods to prevent valves from falling into cylinders, sharply
strike valve spring retainers with mandrel (2, Figure 1)