Replace spark plugs (Engine 113) - AP15.10-P-1580GZ

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ENGINE 113 in MODEL 164

Fig 1: Identifying Spark Plug And Ignition Coil Cylinder

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install and replace
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
	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
	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
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
1	Open engine hood Opening engine hood, moving to upright position and closing		AR88.40-P-1000GZ
2	Remove air filter housing		AR09.10-P-1150GZ
	Remove/install air filter housing		AR09.10-P-1150GZ
3	Remove hot film mass air flow sensor with air intake pipe Remove/install hot film mass air flow sensor together with air intake pipe		AR07.07-P-1454GZ
4	Remove cylinder 1 ignition coil to cylinder 8 ignition coil (T1/1 to T1/8) Remove/install ignition coils		AR15.12-P-2003GZ
5	Use double open-end wrench to pry off spark plug connectors above cylinder head cover	Double open-ended wrench	Figure
	Checking
6	Check spark plug connectors, ignition coil connectors and ignition lines	Check for damage, deformation and crack formation, replace if necessary.
7	Unscrew spark plugs (R4) from the cylinder heads	Spark plugs	*BA15.10-P-1001-01A
7	Unscrew spark plugs (R4) from the cylinder heads	Spark plug wrench	Figure
8	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)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Open-End Wrench, Double (110 589 01 09 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.