Remove/install fuel rail with injectors (ME-SFI) - AR07.03-P-1451A

ENGINE 112.910 in MODEL 202.026 /086

ENGINE 112.920 in MODEL 202.089 /029

ENGINE 112.921 in MODELS 210.081 /281 /063 /263

ENGINE 112.923 in MODEL 129.059

ENGINE 112.940 in MODEL 208.365 /465

ENGINE 112.941 in MODELS 210.282 /065 /082 /265

ENGINE 112.942 in MODEL 163.154

ENGINE 112.943 in MODEL 129.064

ENGINE 112.970 in MODEL 163.157

ENGINE 113.940 in MODEL 210.070 /270

ENGINE 113.961 in MODEL 129.068

ENGINE 113.980 in MODEL 210.074 /274

ENGINE 113.944 in MODEL 202.033 /093

ENGINE 113.942 in MODEL 163.172

ENGINE 113.943 in MODEL 208.370 /470

ENGINE 113.984 in MODEL 208.374

ENGINE 113.981 in MODEL 163.174

ENGINE 113.965 in MODEL 163.175

Illustrated on M112

Fig 1: Identifying Service Valve, Bolt And Resonance Housing

Courtesy of MERCEDES-BENZ USA

	Remove/Install
	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel.	No fire, sparks, open flames or smoking. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1.1	Remove cover on front side of engine	Model 129.
2	Remove cylinder head cover trim panel or air filter	Remove cylinder head cover trim or air filter by lifting upwards from the cylinder head covers.
3.1	Take off resonance housing (2/1)	Only on models with air filter attached to vehicle.
4	Remove plastic cover	Remove screw (1/4).
5	Release fuel pressure through service valve (1/1)	Collect fuel!
5	Release fuel pressure through service valve (1/1)	Pressure hose	Fig 2
6	Detach feed line (17/2)	Collect fuel! x
		M112: ↓	*BA07.52-P-1001-01A
		M113: ↓	*BA07.52-P-1001-01A
7	Separate electrical connector at fuel injection valves (Y62)
8	Take out screws (17/1), lift fuel rail (17) together with all injectors off the intake manifold	Inspect O-rings for damage. Oil O-rings before installing the fuel rail. ↓ Remove/install injectors (ME-SFI)	AR07.03-P-6520A
	Check
9	Test fuel injectors (Y62)	Refer to DMAN Engine, Volume 4, Index 31/1
10	Install in the reverse order

Fuel rail

Number	Designation		Engine 112 except 112.945/951/ 960/961
BA07.52-P-1001-01A	Disconnect fuel feed line at fuel rail	Nm	38

Fuel rail

Number	Designation		Engine 113.940/941/ 942/943/944/ 945/946/948/ 960/961/962/ 963/964/965/ 966/967/968/ 969/971/980/ 981/982/984/ 986/988
BA07.52-P-1001-01A	Fuel feed line to fuel distributor	Nm	38

Fig 2: Identifying Pressure Hose (119 589 04 63 00)

Courtesy of MERCEDES-BENZ USA