Disconnecting / connecting the engine wiring harness - AR01.00-P-2410GZ (ML500)

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 113.964 in MODEL 164.175

Fig 1: Identifying Engine Wiring Harness Components - Model 164 (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Engine Wiring Harness Components - Model 164 (2 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing/installing
	Risk of death caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of explosion caused by oxyhydrogen gas. Risk of poisoning and caustic burns caused by swallowing battery acid. Risk of injury caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and safety glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect ground cable of battery	Insulate ground line as a protection against unintentional contact of detached ground line with ground point of battery. Vehicles with Keyless Go, code 889: Switch off engine, remove Keyless Go cards from the vehicle and keep outside the range of the transmitter.	AR54.10-P-0003GZ
	Notes on battery	All models	AH54.10-P-0001-01A
2	Open engine hood		AR88.40-P-1000GZ
3	Remove engine trim panel (3)		AR01.10-P-2405GZ
4	Remove cover (2) on engine compartment fuse and relay box (F58)	Removal: Do this by unscrewing bolts (1).
5	Remove cover (2) on engine compartment fuse and relay box (F58)	Installation: Check rubber seal in cover, replace if required.
6	Remove electrical connector (4) and electrical connector (5)
7	Detach rubber seal (7) on the right
8	Loosen bolt (8) on bulkhead cover (9)	Do not unscrew bolt (8) fully. Fold bulkhead cover (9) upwards.
9	Disconnect connector (6) on wiring harness (12)
10	Remove engine wiring harness (10) from retaining clamp (11)	Place wiring harness down on engine.
11	Lift/jack up vehicle		AR00.60-P-1000GZ
12	Detach connections on alternator	See ↓
		Remove alternator	AR15.40-P-5032GZ
13	Disconnect ground (engine support) (W11/4)
14	Unclip and separate the connector of the left O2 sensor upstream of the catalytic converter (G3/3x1) and/or connector of the right O2 sensor upstream of the catalytic converter (G3/4x1) from the retaining clamps.	Release electric feed lines from the retaining clamps.
15	Unclip and separate the connector of the left O2 sensor downstream of the catalytic converter (G3/5x1) and/or connector of the right O2 sensor upstream of the catalytic converter (G3/6x1) from the retaining clamps.	Release electric feed lines from the retaining clamps.
16	Disconnect connector for transmission control (13)	Removal: See: ↓
		Removing/installing shield at transmission	AR27.40-P-0700-01GZ
			*BA27.40-P-1014-01A
17	Disconnect automatic transmission/intelligent servo module connector (X22/6)
18	Install in reverse order
19	Read out fault memory and erase if necessary	Stored faults which may be caused by disconnecting cables or by simulation during test operations, must be erased in the fault memory after completing the work.
	Connect up STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnostic system	*WH58.30-Z-1048-13A
20	Perform basic programming		AR00.19-P-0200GZ

HOUSING

Number	Designation		Transmission 722.9
BA27.40-P-1014-01A	Bolt for heat shield on transmission housing	Nm	9

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnostic system, Compact Passenger Car	6511 1801 00