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

ENGINES 266.920/940/960 in MODEL 169.0/3, 245.2 

Illustrated on model 169.0 

Fig 1: Identifying Ignition Coil Module Remove/Install Components - Shown On Model 169.0

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	Detach brake booster vacuum line (11) from intake manifold
2	Remove air filter housing		AR09.10-P-1050AK
3	Unscrew screws (2, 3) and remove intake manifold support (1)		*BA09.20-P-1004-01O
4	Remove screw (5) and remove bracket (4)
5	Remove electrical connector (7) or electrical connector (8)
6	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).
7	Unscrew bolts (6) and remove the ignition coil for cylinders 1+2 (T1/1) and the ignition coil for cylinders 3+4 (T1/2)		*BA15.10-P-1002-01F
			*BA15.10-P-1003-01F
8	Install in the reverse order