Remove/install ignition coils - AR15.12-P-2003TY

ENGINE 113.967 in MODEL 219.375 

ENGINE 113.990 in MODEL 219.376 

Fig 1: Identifying Ignition Coils Remove/Install Components

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) must not carry out work on the ignition system	AS15.10-Z-0001-01A
	Risk of injury  to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Information on preventing damage to electronic components due to electrostatic discharge	All models	AH54.00-P-0001-01A
	Notes on avoiding damage to ignition system		AH15.10-P-0002-01D
1	Turn key in ignition switch to position "0".
2	Open engine hood and raise to vertical position		AR88.40-P-1000TX
3	Remove air filter housing	Model 219.375	AR09.10-P-1150TY
		Model 219.376	AR09.10-P-1150TZ
4	Detach electrical feed lines from cylinder 1 ignition coil to cylinder 8 ignition coil (T1/1 to T1/8) from ignition coils	Replace tie straps (1).
5	Unlock electrical connectors (2) for cylinder 1 ignition coil to cylinder 8 ignition coil (T1/1-T1/8) and detach
6	Remove screw (3)		*BA15.10-P-1001-04A
7	Remove cylinder 1 ignition coil to cylinder 8 ignition coil (T1/1 to T1/8) and also pry off spark plug connector (4) over cylinder head covers from spark plugs using an open-end wrench, double	Observe assignment marks "a" and "b" on ignition coils and cylinder head covers when mounting spark plug connector.
		Double open-ended wrench	Fig 2
8	Install in the reverse order

Fig 2: Identifying Double Open-End Wrench (110 589 01 01 00)

Courtesy of MERCEDES-BENZ USA