Cylinder head
22
Mechanical components
Introduction of the New V12 Biturbo Engine, M 279 AMG
b
Each cylinder head has an overhead camshaft
(OHC). The camshafts are forged. They consist of an
internal high-pressure formed steel tube with joined
cams.
Each cylinder has two intake valves, one sodium-
cooled exhaust valve and two spar
k plugs.
i Note
In the M 279 AMG aluminum bolts are used on the
two valve covers and on the charge air distributor.
New aluminu
m bolts must be used when installing
the valve cover
s
and charge air distributor!
The tightening torque of the aluminum bolts is
listed in the r
elevant AR document in the Work-
shop Inform
ation System (WIS).
P01.30-2409-00
Cylinder head
1Intake valves
2 Exhaust valve
3 Spark plugs
4Coolant feed bore
– This printout will not be recorded by the update service. Status: 06 / 2012 –
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