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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine -- 247 Chassis >> Testing & Repair >> Remove/Install Crankshaft Hall Sensor >> Remove/Install Crankshaft Hall Sensor - AR15.12-P-2136MFG

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

Engine 139 in model 118, 177, 247 

Shown on model 177 

Fig 1: Crankshaft Hall Sensor Components Location - Engine 139 In Model 247 (Shown On Model 177)
G16048540Courtesy of MERCEDES-BENZ USA
WARNING 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
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove bottom engine compartment lining. Remove/install lower engine compartment lining AR61.20-P-1105MFR
2 Release electrical connector (1) and disconnect.    
3 Remove screw/bolt (2). TORQUE SPECIFICATION Bolt, position sensor for crankshaft to crankcase/oil pan *BA15.10-P-1001-03I 
4 Remove Hall sensor (B70). INSTALLATION IMPORTANT Replace sealing ring.  
5 Install in the reverse order.    
6 Read out and delete fault memory.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
WARNING 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
7 Perform an engine test run and check the engine for proper function.    
POSITION SENSOR

Number Designation Engine 139
BA15.10-P-1001-03I Bolt, position sensor for crankshaft to crankcase/oil pan Nm 8