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Remove/Install Crankshaft Hall Sensor - AR15.12-P-2136MNO

Engine 176, 177 In Model 167

Fig 1: Crankshaft Hall Sensor Components Location - Engine 176, 177 In Model 167

G14790194

Courtesy of MERCEDES-BENZ USA

	Risk of injury . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Switch off ignition and store transmitter key outside the transmitter range (at least 2 m).
2	Remove center lower Engine compartment lining.		AR61.20-P-1105ME
3	Release and disconnect electrical connector (1) from crankshaft Hall sensor (B70).
4	Remove screw (2) and remove crankshaft Half sensor (B70).	: Wet sealing ring with lubricant.
		Lubricant, rubber assembly 1 L	*BR00.45-Z-1010-06A
		Bolt, position sensor for crankshaft to oil pan	*BA15.10-P-1003-03M
5	Install in the reverse order.
	Check
	Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-Z-0001-01A
	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	Conduct engine test run while checking for proper operation of the engine.

POSITION SENSOR

Number	Designation		Engine 176	Engine 177
BA15.10-P-1003-03M	Bolt, position sensor for crankshaft to oil pan	Nm	8	9

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1010-06A	Lubricant, rubber assembly 1 L	A 000 989 03 67