Camshaft code number and assignment - AH05.20-P-0100-01AO
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Engine 120
The camshaft code numbers are indicated at bearing points 3 and 10 of the right-hand cylinder head and bearing points 17 and 24 of the left-hand cylinder head (behind bearing caps) (arrows) and stamped with paint on the camshaft flanges (arrows).