Replace Spark Plugs - AP15.10-P-1580S

ENGINE 281 in MODEL 453

Courtesy of MERCEDES-BENZ USA

	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
	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
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove
1	Remove ignition coils		AR15.12-P-2003SR
	Clean
2	Blow out spark plug stems using compressed air and remove any dirt residue	Openings through which contamination or foreign objects can be carried into the engine, its ancillary equipment or detachable parts must be immediately sealed off using suitable caps, stop plugs or a clean, lint-free rag. Otherwise, damage may occur!
	Remove
3	Remove spark plugs		AR15.12-P-1010SR
	Install
4	Install new spark plugs		AR15.12-P-1010SR
	Check
5	Check spark plug connector, ignition coil connectors and electrical lines for damage, deformation and crack formation	If there are problems: ↓ Rectify problem subject to separate repair order.
	Install
6	Install ignition coils		AR15.12-P-2003SR