Remove/Install Engine Management (MCM) Control Unit Holder - AR07.08-P-7016MNI

Engine 177.9 in model 290 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on vehicle with code 598 (Gasoline particulate filter (GPF) with sensor system) 

	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove ME-SFI control unit (N3/10) and place to one side with the connected coolant lines.		AR07.08-P-7013MNI
2	Release and disconnect electrical connector of boost pressure control pressure transducer (Y77/1).
3	Remove screws (4).	M6x1	*BA00.10-P-1002-04A
4	Release and disconnect electrical connector of ignition coil for cylinders 1+2 (T4).
5	Release and disconnect electrical connector of ignition coil for cylinders 3+4 (T4/1).
6	Release cable tie (18) from high-pressure line.
7	Remove retaining clip (7) from ME-SFI [ME] control unit bracket (5).
8	Remove retaining clip (11) from ME-SFI [ME] control unit bracket (5).
9	Remove retaining clip (17) from ME-SFI [ME] control unit bracket (5).
10	Remove retaining clip (20) from engine lifting lug.
11	Remove screw (14).	M6x1	*BA00.10-P-1002-04A
12	Release and disconnect electrical connector of cylinder 2 intake CAMTRONIC actuator (Y49/11).
13	Release, disconnect electrical connector (21) and expose electric line.
14	Release and disconnect electrical connector (19) of fuel injector for cylinder 4 (Y76/4).
15	Release and disconnect electrical connector of right charge air temperature sensor (B17/15).
16	Remove vacuum hoses (10) from boost pressure control pressure transducer (Y77/1).
17	Remove screw (22) of right gasoline particulate filter differential pressure sensor bracket (B163/6) at ME-SFI [ME] control unit bracket (5).	Engine 177.9 in model 290 with code 598 (Gasoline particulate filter (OPF) with sensor system)
		M6x1	*BA00.10-P-1002-04A
18	Unscrew the screws (8).	M6x1	*BA00.10-P-1002-04A
19	Unclip bracket (12) at engine lifting lug.
20	Place engine wiring harness (1) with cable duct (2) to one side.
21	Remove ME-SFI [ME] control unit bracket (5).
22	Check elastomer bearings (6) on ME-SFI control unit bracket (5) for damage.	If damage is present on the elastomer bearings (6), ↓ Replace the elastomer bearings (6).
23	Remove elastomer bearings (6) at ME-SFI [ME] control unit bracket (5).	Only when replacing ME-SFI [ME] control unit bracket (5).
		Coat the elastomer bearings (6) with antifriction paste.
		Antifriction paste, rubber parts 2.5 kg, DBL 6867.00	*BR00.45-Z-1002-06A
24	Remove boost pressure control pressure transducer (Y77/1) from ME-SFI [ME] control unit bracket (5).	Only when replacing ME-SFI [ME] control unit bracket (5).
25	Remove clip (9) for upper engine cover.	Only when replacing ME-SFI [ME] control unit bracket (5).
26	Install in the reverse order.