Remove/Install Engine Oil Fill Level Sensor - AR18.40-P-5116MSA

Engine 256.9 In Model 213, 238, 257, 290 

Shown on vehicle with code M005 (4MATIC) 

Fig 1: Engine Oil Fill Level Sensor Components Location - Engine 256.9 In Model 238 (Shown On Vehicle With Code M005)

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
	Remove/install
1	Drain engine oil.
		Engine 256.9 in model 257.358	AP18.00-P-0101MRS
		Engine 256 9 in model 213 238 257 (except 257, 358), 290 : Install bottom center engine compartment lining only after the leak test.	AP18.00-P-0101MRT
2	Remove front diagonal struts.	Engine 256.9 in model 238.4	AR61.10-P-5144LWO
3	Release and disconnect electrical connection (3).
4	Remove screws (2) and remove engine oil fill level sensor (B40/6).	: Replace compression ring (4) Screw/bolt oil level sensor to oil pan lower part	*BA01.45-P-1002-01MRT
5	Install in the reverse order.
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
6	Carry out engine test run and check engine for proper leaktightness and leaktightness.
7	Install bottom center engine compartment lining.	Engine 256.9 in model 213, 238	AR61.20-P-1105LWE
		Engine 256.9 in model 290	AR61.20-P-1105FRX
		Engine 256.9 in model 257	AR61.20-P-1105FR