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

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2007 Mercedes-Benz C350, 2007 Mercedes-Benz C280, 2007 Mercedes-Benz C230, 2006 Mercedes-Benz C55, and 2006 Mercedes-Benz C350. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 111.951 /955 /981

Fig 1: Removing Spark Plugs - Engine 111.981

	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 work out 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
	Notes on avoiding damage to ignition system		AH15.10-P-0002-01D
1	Remove ignition coils
	Remove/install ignition coils		AR15.12-P-2003PR
	Checking
2	Check spark plug connectors, ignition coil connectors and ignition lines for damage, deformation and crack formation	Replace, if necessary.
3	Replace ignition coil connector		AP15.10-P-1580-01P
4	Unscrew spark plugs	Spark plugs	*BA15.10-P-1001-01A
		Spark plug wrench	Figure
5	Install in the reverse order

SPARK PLUGS

Number	Designation		Engine 104, 110, 111, 113.940/941/942/943/ 944/948/960/961/962/ 963/964/965/966/967/ 968/969/971/980/981/ 982/984/986/992/993/ 995, 115, 117, 119, 120
BA15.10-P-1001-01A	Spark plugs	Nm	28

Fig 2: Identifying Spark Plug Wrench (112 589 01 09 00)