Marking of camshaft bearing caps - AH05.20-P-6992-01GF
ENGINE 166
When installing camshaft bearing caps observe the consecutive numbering and install the camshaft bearing cap with consecutive numbering facing the intake side at the same position again.
Otherwise the dimensional accuracy will not be given.
The camshaft bearing caps are consecutively numbered, starting on the front camshaft (camshaft sprocket).
The numbers are stamped into the camshaft bearing caps using number punches.
Courtesy of MERCEDES-BENZ USA