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

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 112.947 in MODEL 170.465

ENGINE 112.910 in MODELS 202.086 /026

ENGINE 112.920 in MODELS 202.089 /029

ENGINE 113.944 in MODELS 202.093 /033

ENGINE 112.912 in MODELS 209.461 /361, 203.261 /061

ENGINE 112.946 in MODEL 203.764 /064 /264

ENGINE 112.940 in MODELS 208.465 /365

ENGINE 113.984 in MODELS 208.374

ENGINE 113.943 in MODELS 208.470 /370

ENGINE 112.911 in MODELS 210.261 /061

ENGINE 112.914 in MODELS 210.262 /062

ENGINE 112.921 in MODEL 210.663 /281 /063 /263 /081

ENGINE 112.941 in MODELS 210.282 /082 /265 /065

ENGINE 113.940 in MODELS 210.283 /083 /270 /070

ENGINE 113.980 in MODELS 210.274 /074

ENGINE 112.960 in MODEL 170.466

ENGINE 112.961 in MODELS 203.265 /065

ENGINE 113.968 in MODELS 209.475 /375

ENGINE 113.987 in MODELS 209.376 /476

ENGINE 112.955 in MODELS 209.365 /465

ENGINE 112.953 in MODELS 203.084 /284

ENGINE 112.916 in MODELS 203.081 /281

ENGINE 113.988 in MODELS 203.076 /276

Shown on model 210 with engine 112

Fig 1: Identifying Spark Plugs - Shown On Model 210 With Engine 112

	Remove/install
	Risk of death caused by contact with parts conducting high voltages.	Do not touch parts which conduct high voltages. Persons with electronic implants (such as pacemakers) must not work on the ignition system.	AS15.10-Z-0001-01A
	Notes on avoiding damage to ignition system	Engine 104, 111, 112, 113, 119, 120, 271	AH15.10-P-0002-01D
1.1	Remove top part of air filter housing	Only on engines with air filter fitted at vehicle side.
2.1	Remove hot film mass air flow sensor with air intake pipe	Only on engines with air filter fitted at vehicle side.
	Remove hot film mass air flow sensor with air intake pipe	Engine 112.910 in model 202.026/ 086 Engine 112.920 in model 202.029/ 089 Engine 112.940 in model 208.365/ 465 Engine 112.911 in model 210.061/ 261 Engine 112.921 in model 210.063 /081 /263 /663 /281 Engine 112.941 in model 210.065 /082 /265 /282 Engine 113.940 in model 210.070/ 270	AR07.07-P-1454A
		Engine 112.947 in model 170.465 Engine 112.912 in model 203.061/ 261, 209.361/ 461 Engine 112.946 in model 203.064 / 264 / 764 Engine 113.968 in model 209.375/ 475 Engine 113.987 in model 209.376/ 476 Engine 112.955 in model 209.365/ 465 Engine 112.953 in model 203.084/ 284 Engine 112.916 in Model 203.081 /281 ENGINE 113.988 in model 203.076/ 276	AR07.07-P-1454SV
3	Remove engine cover with integrated air filter	Pull engine cover with integrated air filter vertically upwards off the cylinder head covers.
4	Remove the ignition coil (1)
		Engine 112.910 in model 202.086/ 026 Engine 112.920 in model 202.029/ 089 Engine 112.921 in model 210.063 /081 /263/281 Engine 112.940 in model 208.465/ 365 Engine 112.941 in Model 210.265 /065 /082/282 Engine 113.940 in model 210.070/ 270 Engine 113.960 in model 215.375, 220.175/075 /875 Engine 113.980 in model 210.074/ 274 Engine 113.944 in models 202.033 /093 Engine 113.943 in model 208.470/ 370 Engine 113.984 in model 208.374 Engine 112.912 in model 203.261 /061,209.361 Engine 112.946 in model 203.264/ 064 Engine 112.947 in model 170.465 Engine 112.960 in model 170.466 Engine 112.961 in model 203.265/ 065 Engine 113.968 in model 209.375 Engine 113.987 in model 209.376/ 476 Engine 112.955 in model 209.365 Engine 112.916 in Model 203.081 /281 Engine 112.953 in model 203.084/ 284 Except engine 112.946 in model 203.764 Engine 112.911 in model 210.061/ 261 Engine 112.912 in model 209.461 Engine 112.921 in model 210.663 Engine 112.955 in model 209.465 Engine 113.968 in model 209.475 ENGINE 113.988 in model 203.076/ 276	AR15.12-P-2003A
5	Disconnect spark plug connectors	Use double open-end wrench to pry off spark plug connector via the cylinder head cover.
		Double open-ended wrench	Figure
	Checking
6	Check spark plug connectors, ignition coil connectors and ignition lines for damage, deformation and crack formation	Replace, if necessary.
7	Remove the spark plug (2)		*BA15.10-P-1001-01A
		Spark plug wrench	Fig 2
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	Engines 112.910/911/912/913/914/915/916/917/920/921/922/923/940/941/942/943/944/945/946/947/949/951/953/954/955/960/961/970/972/973/975/976	Engine 113.987/988/990/991
BA15.10-P-1001-01A	Spark plugs	Nm	28	28	25

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

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