Tightening procedure for cylinder head bolts - AR01.30-P-5800-01MCC

CYLINDER HEAD

Number	Designation			ENGINE 132.9
BA01.30-P-1001-01K	Bolt, cylinder head to crankcase	Stage 1	Nm	25
		Stage 2	∠ °	90
		Stage 3	∠ °	90
		Stage 4	∠ °	-

Tighten cylinder head bolt (1 to 8) in stages in sequence of the tightening procedure.
IMPORTANT: Direction of travel see arrow.

Fig 1: Cylinder Head Bolt Tightening Sequence
Courtesy of MERCEDES-BENZ USA