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Home >> Mercedes Benz >> 2020 >> CLA250 Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes -- Hydraulic & Mechanical System (1 Of 2) -- 118 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 Axle RPM Sensor Components Location - Model 118 (Shown On Left Side)
G16050085Courtesy 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
Notice  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