Disconnecting, connecting engine wiring harness - AR01.00-P-2410GT

ENGINE 112.945 in MODELS 463.244 /245 /250 

ENGINE 113.962 in MODELS 463.247 /248 /249 /254 

ENGINE 113.982 in MODELS 463.243 /246 

ENGINE 113.993 in MODELS 463.270 /271 

Fig 1: Identifying Cover Panel, Electrical Connector And ME-SFI [ME] Control Unit

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Front Signal-Acquisition And Actuation Module (SAM) With Electrical Line

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Ground Cable

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Module Box/Engine Separation Point

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Cover Of External Start Terminal Point, Electric Cable Circuit And Terminal Block Engine Circuit

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Automatic Transmission Connector

Courtesy of MERCEDES-BENZ USA

Fig 7: Identifying Drive Speed Sensor For Transmission And Bolt

Courtesy of MERCEDES-BENZ USA

	Removing/installing
1	Activate Service mode in Tele-Aid emergency call system	Only for models 463.243/244/245/247/248/250/254/270 with Tele-Aid car phone emergency call system code ET2.	AR82.95-P-0005-03GR
	Notes regarding the Tele-Aid emergency call system	Models 463.243/244/245/247/248/250/254/270/309/322/323/332/333 Tele-Aid car phone emergency call system code ET2	AH82.95-P-0001-01GA
	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
2	Disconnect ground cable (10) on battery	Except model 463.248 with special protection version code 979.	AR54.10-P-0003G
		Model 463.248 with special protection version code 979, special protection version FB6 code ZS6, special protection version FB7 code ZS7, additional battery 100 Ah incl. cutoff relay code E26.	AR54.10-P-0003PM
	Notes on battery	All models	AH54.10-P-0001-01A
3	Remove air plenum chamber and water collector		AR83.10-P-9998GM
4	Remove dust shield (1)
5	Disconnect electrical connectors (A) on ME control unit (N3/10)	Press plastic catch down and turn over locking arm.
6	Remove glove compartment		AR68.10-P-1400GM
7	Disconnect module box/engine separation point (X35/26)
8	Remove cover below right instrument panel		AR68.10-P-1520GM
9	Disconnect electric cables (4) onfront signal acquisition and actuation module (SAM) (N10/1)
10	Pull engine wiring harness out of body opening	Do not damage wiring harness when pulling it out otherwise this may result in operational problems in the connected equipment.
11	Connector for O2S sensor on the left, upstream of TWC (G3/3x1) and connector for O2 sensor on the right, upstream of TWC (G3/4x1).
12	Connector for O2S sensor on the left, downstream of TWC (G3/5x1) and connector for O2 sensor on the right, downstream TWC (G3/6x1).
13	Remove ignition coils	Only remove ignition coils from cylinders 5 to 8.	AR15.12-P-2003A
14	Remove cover on jump-starting point (2)
15	Unbolt electric cable of circuit 30 (3) on terminal block engine circuit 30 (X4/30)
16	Remove ground line on starter
17	Separate plug connection of automatic transmission (X22/2) on automatic transmission
18	Unscrew bolt (13) and remove transmission output speed sensor (B49)	Installation:  Replace O-ring on transmission output speed sensor (B49).
19	Install in reverse order
20	Deactivate service mode in TELE AID emergency call system	Only for models 463.243/244/245/247/248/250/254/270 with Tele-Aid car phone emergency call system code ET2.	AR82.95-P-0005-03GR
21	Read out fault memory and erase	STAR DIAGNOSIS Stored faults which can result from cables being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work.
	Connect up STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
			*WH58.30-Z-1048-13A