Remove/install exhaust manifold - AR14.10-P-3915A

ENGINE 112.921 in MODELS 210.063 /263 /081 /281 

ENGINE 112.941 in MODELS 210.065 /082 /265 /282 

ENGINE 113.940 in MODELS 210.070 /270 

ENGINE 113.980 in MODELS 210.074 /274 

Engine 112 

Fig 1: Identifying Exhaust Manifold Components (Engine 112)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Engine 113 

Fig 2: Identifying Exhaust Manifold Components (Engine 113)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1	Disconnect connector for oxygen sensors		AR14.00-P-5303A
2	Remove complete exhaust system		AR49.10-P-7000A
3.1	Remove air filter	When removing right exhaust manifold. In model 210.074/274 always remove air filter. The air filter is integrated in the cylinder head cover trim. Remove air filter by lifting vertically up and off the cylinder head covers.
4	Unscrew auxiliary coolant pump and put on the side	When removing right exhaust manifold.
5	Remove ignition coils		AR15.12-P-2003A
6	Remove exhaust manifold (156)	Take both exhaust manifolds down and out.
		Installation:
		Replace nuts (156/1).	*BA14.10-P-1001-01B
		Replace gaskets (156/5). If bolts at flange connection of front exhaust system/exhaust manifold are stiff, or thread damaged: ↓
		Replace rivet nuts in exhaust manifold.	AR49.10-P-5531-01DA
		Caulking bolt	Fig 3
			*BA14.10-P-1002-01B
7	Install in the reverse order

Exhaust manifold

Fig 3: Identifying Cocking Bolt (103 589 01 39 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.