Remove/install sensor for engine oil temperature - AR18.40-P-4123AMG

ENGINES 156 

Fig 1: Identifying Sensor For Engine Oil Temperature Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning  caused by swallowing hydraulic fluid	Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
1	Remove engine intake air duct and front engine cover	Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.
2	Remove poly-V belt	Model 164, 251	AR13.22-P-1202GZS
		Model 204, 212	AR13.20-P-0001CMG
		Model 209, 211, 219	AR13.22-P-1202TMG
		Model 216, 221	AR13.22-P-1202SMG
		Model 230	AR13.20-P-0001RMG
3	Unscrew bolt (1) and detach double clamp (2) of engine oil lines	Except on model 216, 221, 230
4	Drain engine oil	Model 230
	Engine oil and filter change		AP18.00-P-0101RMG
5	Disconnect engine oil line at separation point	Model 230
6	Detach refrigerant compressor or compressor (A9)	Place to the side with lines still connected.
		Model 164	AR83.55-P-5300GZ
		Model 204	AR83.55-P-5300CMG
		Model 209, 211, 219	AR83.55-P-5300TMG
		Model 216, 221	AR83.55-P-5300SMG
		Model 230	AR83.55-P-5300RMG
		Model 251	AR83.55-P-5300RT
7	Disconnect electrical connector (3) from oil temperature sensor (B1)
8	Remove oil temperature sensor (B1)	Replace sealing ring.
			*BA15.60-P-1001-01C
9	Install in the reverse order
	Checking
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
10	Check for leaks with engine running

TEMPERATURE SENSOR

Number	Designation		Engine 156, 159
BA15.60-P-1001-01C	Oil-temperature temperature sensor on crankcase	Nm	21