Remove/install crankshaft position sensor - AR15.12-P-2133TS

ENGINE 272, 273 in MODEL 211, 219 

Fig 1: Identifying Crankshaft Position Sensor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove, install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Switch ignition off, remove ignition key (transmitter key).	On vehicles with Code 889 Keyless Go: Press keyless go start/stop button repeatedly until the ignition is switched off. Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min. 2 m).
2	Remove air filter housing		AR09.10-P-1150TS
3	Remove vacuum pump	Engine 272.985	AR43.05-P-1320TY
4	Release and disconnect electrical connector at crankshaft Hall sensor (B70)
5	Remove bolt (1)		*BA15.10-P-1001-03E
6	Pull crankshaft Hall sensor (B70) out of crankcase
7	Install in the reverse order
8	Carry out first initialization and then sensor rotor adaptation using STAR DIAGNOSIS	Only when replacing.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A

POSITION SENSOR

Number	Designation		Engine 272	Engine 273
BA15.10-P-1001-03E	Bolt connecting crankshaft Hall sensor to crankcase	Nm	8	8