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

Engine 276 in model 166, 251, 292 

Shown on model 166 with engine 276.9 

Fig 1: Crankshaft Hall Sensor Components Location - Engine 276 In Model 166 (Shown On Model 166 With Engine 276.9)

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A
	General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system		AH00.00-Z-0300-01A
	Remove/install
1	Perform enable for the high voltage on-board electrical system	Engine 276 in model 166.063	AR54.10-P-1150GQA
2	Remove partition wall between wheel wells	Engine 276 in model 251	AR62.30-P-2400RT
3	Remove windshield wiper system	Engine 276.8 in model 251	AR82.30-P-6400RT
4.1	Remove front upper engine cover	Engine 276.9 in model 166, 251
4.2	Remove upper engine cover	Engine 276.8 in model 166, 251, 292
5.1	Remove ME-SFI [ME} control unit and bracket for control unit	Engine 276.9 in model 166, 251	AR07.08-P-7008GQ
5.2	Remove left-hand air filter housing	Engine 276.8 in model 166, 251, 292	AR09.10-P-1150GQC
6	Remove rear heat shield on the left from ATL	Engine 276.8 in model 166, 251, 292	AR49.10-P-5500GQC
7	Remove heat shield holder on the left behind the ATL	Engine 276.8 in model 166, 292
8	Remove left catalytic converter	Engine 276.8 in model 251	AR49.10-P-5500GQC
9	Remove screws (1, 2) and heat shield (3) for crankshaft Hall sensor (B70)
10	Disconnect electrical line (4) on crankshaft Hall sensor (B70)
11	Remove screw (5) and crankshaft Hall sensor (B70) upwards	Bolt, crankshaft Hall sensor to crankcase	*BA15.10-P-1001-03E
12	Install in the reverse order
13	Read out fault memory using the diagnostic system and clear if necessary
			AD00.00-P-2000-04A
	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
14	Conduct engine test run and check the engine for oil loss