Intake manifold - RA1400FLH0010X(14-0010)

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 104
Matched to LH fuel injection system.

Fig 1: Identifying Fuel Injection System
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Engine 119
Resonance pipes lengthened.

Resonance pipe inner diameter:

Engine 119.970: 40 mm

Engine 119.971: 37 mm.

The fuel vapors from the activated charcoal filter and also the blow-by gases pass through the union (1).

Fig 2: Identifying Gases Pass Through Union
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The fuel vapors and blow-by gases are distributed to all the cylinders of the appropriate bank through the distribution ducts (2).

Fig 3: Identifying Cylinders Distribution Ducts
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The quantity of fuel vapors and blow-by gases allocated to the individual cylinders is metered through restriction openings (3) in the intake manifold gaskets.

Fig 4: Identifying Intake Manifold Gaskets
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Engine 120
Because of the intake manifold design, the air inducted on the left-hand side flows into the right-hand bank of cylinders and vice versa. Consequently, components such as actuators, air mass sensor and switchover valves are assigned to the opposite bank of cylinders in line with their positioning.

Fig 5: Identifying Intake Manifold Design - Engine 120
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
National versions and
Connection for exhaust gas recirculation switchover valve at intake manifold (arrow, see 14-0030 ).

Shown on engine 104

Fig 6: Locating Switchover Valve At Intake Manifold
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.