Remove/install intake manifold - AR09.20-P-1310AG

ENGINE 112.945 in MODELS 463.209/232/233/244/245/250 

ENGINE 113.962 in MODELS 463.206/240/241/247/248/249/254 

ENGINE 113.982 in MODELS 463.243/246 

Shown on engine 112 

Fig 1: Identifying Intake Manifold Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove hot film mass air flow sensor with air intake pipe		AR07.07-P-1454AG
2	Removing fuel rail with injection valves		AR07.03-P-1451AG
3	Disconnect vacuum lines from intake manifold	Intake manifold connection diagram ↓	AR09.20-P-1310-01AG
4	Disconnect electrical connectors
5	Unscrew acorn nut from pipe (89/2) to exhaust gas recirculation valve (89)	Counterhold connection fitting when unscrewing
6	Remove combination valves (6)	19/1 Bolts	*BA09.20-P-1001-01D
7	Remove intake manifold (19)	Plug intake port with suitable means
8	Remove gaskets (19/3)	Installation Replace gaskets Set gaskets before installation of intake manifold using studs Bore for secondary air injection (arrow) Rotate stud after setting.
9	Install in the reverse order