Remove/install ignition coil module - AR15.12-P-1100BK

ENGINE 266.980 in MODEL 169.0/3, 245.2 

Shown on model 245.2 

Fig 1: Identifying Ignition Coil Module Remove/Install Components - Shown On Model 245.2

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death  caused by contact with parts conducting high voltages.	Do not touch parts which conduct high voltages. Persons who wear electronic implants (e.g. heart pacemakers) should never perform any work on the ignition system	AS15.10-Z-0001-01A
	Notes on avoiding damage to ignition system		AH15.10-P-0002-01AK
1	Remove air filter housing		AR09.10-P-1050AK
2	Remove engine charge air duct downstream of charge air cooler		AR09.41-P-8624BK
3	Remove electric power steering (ES)	Model 169.0/3	AR46.20-P-0701-01AK
		Model 245.2	AR46.20-P-0701-01BK
4	Unclip wiring harness (1) from bracket (2)
5	Unclip connector for O2 sensor downstream TWC (G3/1x1) and connector for O2 sensor upstream TWC (G3/2x1) from retaining clamps
6	Remove bolts (5)		*BA09.10-P-1003-01G
7	Remove bolt (6) from bracket (2) and remove bracket (2)		*BA09.10-P-1004-01G
8	Remove electrical connector (7) or electrical connector (8)
9	Pull out ignition cable (9, 10) from cylinder 1+2 ignition coil (T1/1) or cylinder 3+4 ignition coil (T1/2)	Attach ignition cable (9) for cylinders 1 and 3 at position "a" (arrow) on cylinder head cover and insert in connection "a" on cylinder 1+2 ignition coil (T1/1) and cylinder 3+4 ignition coil (T1/2). Attach ignition cable (10) for cylinders 2 and 4 on cylinder head cover, position "b" (arrow), and insert in connection "b" of cylinder 1+2 ignition coil (T1/1) or cylinder 3+4 ignition coil (T1/2).
10	Remove respective bolt (11) and remove cylinder 1+2 ignition coil (T1/1) or cylinder 3+4 ignition coil (T1/2)		*BA15.10-P-1002-01F
			*BA15.10-P-1003-01F
11	Install in the reverse order