Replace spark plugs - AP15.10-P-1580MCC

ENGINE 132.9 in MODEL 451.3/4 

Fig 1: Identifying Spark Plugs

Courtesy of MERCEDES-BENZ USA

	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of death  caused by contact with parts conducting high voltages.	Do not touch parts which conduct high voltages. Persons who have electronic implants (e.g. cardiac pacemakers) may not perform any work on the ignition system.	AS15.10-Z-0001-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove ignition coils	* not for USA ↓
			AR15.12-P-2003MCC
		* for USA only ↓
			AR15.12-P-2003MCU
2	Remove spark plugs (1)	Spark plugs	*BA15.10-P-1001-01B
3	Install in the reverse order

SPARK PLUGS

Number	Designation			ENGINE 132.9
BA15.10-P-1001-01B	Spark plugs	Initial tightening torque	Nm	18
		Retightening torque	Nm	18