Remove/install oil level check switch - AR18.40-P-5113MM

ENGINE 276, 278 in MODEL 221 

ENGINE 278 in MODEL 216 

Shown on engine 278 with middle sump 

Fig 1: Identifying Oil Level Check Switch Components - Shown On Engine 278

Courtesy of MERCEDES-BENZ USA

Shown on engine 276 with front sump 

Fig 2: Identifying Oil Level Check Switch Components - Shown On Engine 276

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove bottom engine compartment paneling		AR61.20-P-1105SX
2	Drain engine oil and catch in a suitable container
		ENGINE 276 in MODEL 221	AP18.00-P-0101CWZ
		ENGINE 278.920 in MODEL 216 ENGINE 278.932 in MODEL 221	AP18.00-P-0101EL
3	Disconnect electrical connection at oil level check switch (S43)
4	Remove oil pan bottom section
	Notes on sealant path for oil pan		AH01.45-P-0001-01MMA
	Notes on sealant path for oil pan		AH01.45-P-0001-01MMB
		Observe notes on sealant path on the oil pan (4).
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 5970 sealant	*BR00.45-Z-1013-01A
		Bolt, oil pan bottom section to oil pan	*BA01.45-P-1003-01E
		Screw/bolt, oil pan to crankcase at transmission end	*BA01.45-P-1002-01E
		Screw/bolt, oil pan to crankcase/timing case cover/rear end cover	*BA01.45-P-1001-01E
		Application gun Remove operating fluids and other soiling from sealing surfaces: ↓	Figure
		Remove sealant	AR01.00-P-0050-01A
5	Remove screw/bolts (2) and lead jack into oil pan (4)	Replace screw/bolt (2) and O-ring for jack.
		Screw/bolt, oil level switch connector to oil pan	*BA18.40-P-1003-02C
6	Remove screw/bolts (3) and remove oil level check switch (S43) from bracket	Screw/bolt, oil level switch to bracket	*BA18.40-P-1001-02C
7	Install in the reverse order
8	Read out fault memory with STAR DIAGNOSIS and clear if necessary
			AD00.00-P-2000-04A

Fig 3: Identifying Application Gun (112 589 00 25 00)

Courtesy of MERCEDES-BENZ USA