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

Engine 177 in model 463 

as of model year 2019 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown with code KA3 (gasoline particulate filter (OPF) with sensor system) 

Courtesy of MERCEDES-BENZ USA

	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
	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-7013XGC
2	Release and disconnect electrical connector of the boost pressure control pressure transducer (Y77/1).
3	Remove screws/bolts (4).	M6 X 1	*BA00.10-P-1002-04A
4	Release and disconnect electrical connectors of the ignition coil for cylinders 1 + 2 (T4).
5	Release and disconnect electrical connectors of the ignition coil for cylinders 3 + 4 (T4/1).
6	Remove retaining clip (7) from ME-SFI control unit bracket (5).
7	Remove retaining clip (11) from ME-SFI control unit bracket (5).
8	Remove retaining clip (14) from ME-SFI control unit bracket (5).
9	Remove bolt (12).	M6 X 1	*BA00.10-P-1002-04A
10	Release and disconnect electrical connector of cylinder 2 intake CAMTRONIC actuator (Y49/11).
11	Release and disconnect electrical connector (13) and expose electric line.
12	Release and disconnect electrical connector (15) of the fuel injector for cylinder 4 (Y76/4).
13	Release and disconnect electrical connector of right charge air temperature sensor (B17/15).
14	Remove vacuum hoses (10) from boost pressure control pressure transducer (Y77/1).
15	Remove screw (40) of the right gasoline particulate filter differential pressure sensor bracket (B163/6) from the ME-SFI control unit bracket (5).	Engine 177 in model 463 as of model year 2019 with code KA3 (Gasoline particulate filter (OPF) with sensor system)
		M6 X 1	*BA00.10-P-1002-04A
16	Remove bolts (8).	M6 X 1	*BA00.10-P-1002-04A
17	Place engine wiring harness (1) with the cable duct (2) to one side.
18	Remove ME-SFI control unit bracket (5).
19	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).
20	Remove elastomer bearings (6) from ME-SFI control unit bracket (5).	If installing new ME-SFI control unit bracket (5).
		Lubricant, rubber assembly 11	*BR00.45-Z-1010-06A
21	Remove boost pressure control pressure transducer (Y77/1) from ME-SFI control unit bracket (5).	If installing new ME-SFI control unit bracket (5).
22	Remove clamp (9) for top engine cover.	If installing new ME-SFI control unit bracket (5).
23	Install in the reverse order.