Disconnect/connect engine wiring harness - AR01.00-P-2410SX

ENGINES 272, 273 in MODEL 221 

ENGINES 273 in MODEL 216 

Shown on model 221.171 with code (487) Active Body Control (ABC) 

Fig 1: Identifying Engine Wiring Harness Related Parts - Shown On Model 221.171 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Engine Wiring Harness Related Parts - Shown On Model 221.171 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

Shown on model 221.171 with code (487) Active Body Control (ABC), 221 up to 1.06.2008 except code (809) model year 2009 

Shown on model 221.186 

Fig 3: Identifying Engine Wiring Harness Related Parts - Shown On Model 221.186

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Engine Wiring Harness Related Parts - Shown On Model 221.171

Courtesy of MERCEDES-BENZ USA

Shown on model 221.171 with code (487) Active Body Control (ABC) 

	Remove/install
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Risk of death  when touching components on vehicles with high-voltage on-board electrical system	Do not touch components and open lines of the high-voltage on-board electrical system. Persons who are carriers of electronic implants (e.g. cardiac pacemakers), must not  carry out any work on high-voltage on-board electrical systems.	AS54.00-Z-0001-01A
1	Perform disable for the high-voltage on-board electrical system	Model 221.095/195 After completing the work, attach initial startup event log together with the disconnection log to the vehicle file.	AR54.10-P-1150SXH
	Note on the high-voltage on-board electrical system		AH54.00-P-0010-01A
2	Detach ground line(s) from battery/batteries	Insulate clamping device of the ground line in order to prevent inadvertent contact with the ground point of the battery.	AR54.10-P-0003SX
3	Remove left engine ground (W11/3) from longitudinal member	Except model 221.095/195
4	Remove right engine ground (W11/2) from longitudinal member	Vehicles with engine 273 and 4MATIC
5	Unscrew screw/bolt (13) from front cover on cylinder head	Vehicles with engine 273 and 4MATIC
			*BA01.30-P-1006-01O
6	Unclip cable duct from bulkhead; remove rubber seal (5) from bulkhead to do this	Model 221.095/195
7	Detach high voltage line from high-voltage battery and remove bracket for the high voltage line from the bulkhead and lay high voltage line on the engine	Model 221.095/195
			*BA54.10-P-1036-01C
			Fig 5
8	Remove cover (6) from prefuse box (F32)
9.1	Remove electrical lines (4a, 4b) from prefuse box (F32)	Except model 221.095/195
9.2	Detach electrical line (4) from prefuse box (F32) and lay on the engine	Model 221.095/195
10	Remove electrical lines (4a, 4c) from starter battery (G1/4)	Vehicles up to 1.06.2008 except code (809) model year 2009, except model 221.095/195
11	Detach rubber seal (5) from bulkhead	Except model 221.095/195
12	Remove screw/bolt (1a) out of bulkhead	Vehicles with engine 273 without 4MATIC
13	Pull out protective cap (3) upwards	Except model 221.095/195
14	Disconnect electrical connector to the vacuum pump	Model 221.095/195
15	Detach control line from electrical refrigerant compressor and place to one side	Model 221.095/195
16	Unscrew nut (2) and lay cable harness (4) on engine	Except model 221.095/195
17	Disconnect electrical connector (L) on control unit (N3/10)
18	Disconnect electrical connectors (9, 10)
19	Disconnect electrical connectors from rotor position sensor	Model 221.095/195	AR15.12-P-2139SXH
20	Remove cable tie (7) and disconnect electrical connector (8) on suction restrictor valve (Y86/1)	Vehicles with code (487) Active Body Control (ABC)
21	Unlatch connectors for O2 sensors (G3/3x1, G3/4x1, G3/5x1, G3/6x1) from above from retaining clamps and disconnect	Model 221.095/195 Disconnect electrical feed line from the retaining clamps and disconnect cable tie.
22	Remove bottom engine compartment paneling		AR61.20-P-1105SX
23	Unlatch connectors for O2 sensors (G3/3x1, G3/4x1, G3/5x1, G3/6x1) from retaining clamps and disconnect	Except model 221.095/195 Unclip electrical feed lines from retaining clamps.
24	Remove screw/bolt (1d) and remove ground strap (49) from rear engine mount	Vehicles without 4MATIC
		Model 216	*BA22.10-P-1004-03C
		Model 221	*BA22.10-P-1004-03D
25	Remove shield (105g) and disconnect connector for electronic transmission control (16)		AR27.40-P-0700-01SX
			*BA27.40-P-1014-01A
			*BA27.40-P-1019-01A
26	Disconnect electrical connector on electrical transmission oil pump and unclip subharness from transmission oil pan	Model 221.095/195
27	Disconnect electrical connector (12) on intelligent servo module (A80) and unclip from transmission oil pan
28	Disconnect electrical connector (11) on solenoid valve (Y10) and unclip retaining clips on front axle
29	Install in the reverse order

Fig 5: Identifying Set Of Protective Covers (001 589 01 91 00)

Courtesy of MERCEDES-BENZ USA