Remove/install crankshaft position sensor (Engine 156) - AR15.12-P-2133GZS

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ENGINE 156 in MODEL 164, 251

Fig 1: Identifying Crankshaft Position Sensor Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
1	Open engine hood	Model 164	AR88.40-P-1000GZ
		Model 251	AR88.40-P-1000RT
2	Remove the partition wall between the wheelhouses	Only model 251	AR62.30-P-2400RT
3	Remove air filter housing (1).		AR09.10-P-1150GZS
4	Push shielding (2) upwards	Push shielding (2) upwards until the electrical connector (3) is accessible.
5	Disconnect electrical connector (3) from crankshaft position sensor (L5)
6	Unscrew bolt (4)		*BA15.12-P-1001-01K
7	Remove crankshaft position sensor (L5)
8	Install in the reverse order
9	Read out fault memory and erase if required	STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
	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	Carry out engine test run

ECI IGNITION SYSTEM

Number	Designation			Engine 156
BA15.12-P-1001-01K	Crankshaft position sensor on crankshaft housing	M6	Nm	8

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnosis system, Compact Passenger Car	6511 1801 00