Oil circuit - RA18001040050X(18-0050)

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.

Fig 1: Identifying Oil Circuit Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Timing chain lubrication

Fig 2: Identifying Timing Chain Lubrication

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Engine 104.98
The timing chain is sprayed with oil through a connection in the oil transverse gallery (12) and a drilling (arrow) in the guide rail.

Equip engines with oil drilling (arrow) in crankcase with guide rail 104 025 04 16 in place of 104 052 06 12 (without oil drilling), see (05-3350) .
Engine 104.94/99
The timing chain is sprayed with oil through a connection in the oil transverse gallery (12) and an oil spray nozzle (14).