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Home >> Mercedes Benz >> 2020 >> GLB250 Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Hydraulic & Mechanical System - 247 Chassis >> Testing & Repair >> Remove/Install Front Axle RPM Sensor - AR42.30-P-0713MFA

Remove/Install Front Axle RPM Sensor - AR42.30-P-0713MFA

Model 118, 177, 243, 247 

Fig 1: Front Left/Right Axle RPM Sensors Components Location - Model 247 (left Side Shown)
G14689029Courtesy of MERCEDES-BENZ USA

Shown on left side of vehicle 

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
WARNING Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove corresponding wheel and tire assembly.   AR40.10-P-1102MFA
3 Release electrical connector (1) and disconnect.    
4 Remove bolt (2). TORQUE SPECIFICATION Bolt, rpm sensor to steering knuckle *BA42.30-P-1001-01F 
5 Remove left front axle rpm sensor (L6/1) or right front axle rpm sensor (L6/2).    
INSPECT Check     
6 Check left front axle rpm sensor (L6/1) or right front axle rpm sensor (L6/2) for damage. If the left front axle rpm sensor (L6/1) or right front axle rpm sensor (L6/2) are damaged,

replace left front axle rpm sensor (L6/1) or right front axle rpm sensor (L6/2).
 
7 Install in the reverse order.    
FRONT AXLE RPM SENSOR

Number Designation Model 118 Model 177
BA42.30-P-1001-01F Bolt, rpm sensor to steering knuckle Nm 8 8
FRONT AXLE RPM SENSOR

Number Designation Model 243 Model 247
BA42.30-P-1001-01F Bolt, rpm sensor to steering knuckle Nm 8 8