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

ENGINES 271 in MODEL 172, 204, 207, 212 

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) should never perform any work on the ignition system	AS15.10-Z-0001-01A
	Notes on avoiding damage to ignition system		AH15.10-P-0002-01D
1	Remove engine trim panel	Grasp with both hands and pry off. Check gasket, replace if necessary. When placing the engine cover, ensure that the seal is correctly seated at the oil filler neck. The seal should not be pressed down by the engine cover, but must lie against the engine cover.
2	Disconnect connector from ignition coils (T1/1 to T1/4)
3	Remove bolts (2) of ignition coils (T1/1 to T1/4)		*BA15.12-P-1002-01F
4	Pull ignition coils (T1/1 up to T1/4) with spark plug connectors (a) upwards
	Checking
5	Check connector for ignition coils (T1/1 to T1/4)	If damage is present ↓	AR15.12-P-2003-01P
		Replace ignition coil connector	AP15.10-P-1580-01P
6	Install in the reverse order

ECI IGNITION SYSTEM

Number	Designation		Engine 271
BA15.12-P-1002-01F	Ignition coil on cylinder head cover	Nm	8