300TE 4MATIC (124.290) L6-3.0L (103.985) (1991)
Rocker Arm Bearing Bracket
9. Unscrew bolts (44) in such a way that the rocker arm bearing bracket (605) is not tensioned, tightening torque 21 Nm (15.5 ft lbs).
CAUTION: The rocker arm bearing brackets must be installed again at the same point and at the same attitude. Use rocker arm 1st version with 3
mm wide reinforcing rib only with camshafts which are not chill cast. Use rocker arm 2nd version with 1.5 mm wide reinforcing rib only with
chilled cast camshaft. The 2nd version of rocker arms have soldered-on carbide metal running surfaces.
Rocker Arms
10. Remove all rocker arm bearing brackets.(Slacken tight rocker arm bearing brackets with light blows from a plastic headed hammer).
NOTE: When taking off the rocker arm bearing brackets, the ball sockets (53) may catch on the hydraulic valve clearance compensating
elements.
11. Take off ball sockets (53).
CAUTION: The ball sockets must be installed again at the same point.
Camshaft Removal
12. Lift out camshaft (26).