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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Hydraulic & Mechanical System -- 247 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Electric Parking Brake Actuator Motor - AR42.20-P-0600MFA

Remove/Install Electric Parking Brake Actuator Motor - AR42.20-P-0600MFA

Model 118, 177, 243, 247 

Fig 1: Electric Parking Brake Actuator Motor Components Location - Model 247 (Shown On Model 177)
G16142795Courtesy of MERCEDES-BENZ USA

Shown on model 177 

DANGER 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
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 self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Lift vehicle with lifting platform.   AR00.60-P-1006A
2 Move brakepad on rear axle into assembly position.   AR42.10-P-1710-02MFA 
3 Release electrical connector (1), disconnect it then place it to one side.    
4 Remove bolts (2) and remove left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2). INSTALLATION IMPORTANT : Replace sealing ring (3).
TORQUE SPECIFICATION Bolt, actuator motor to brake caliper
*BA42.10-P-1005-12X 
5 Install in the reverse order.    
  Concluding tasks     
6 Perform brake test on test stand.    
REFER TO MAINTENANCE   Model 118, 177, 247 AP42.00-P-4290BA 
REFER TO MAINTENANCE   Model 243 AP42.00-P-4290EQ
REAR AXLE BRAKE CALIPER

Number Designation Model 118 with code U54 (Compound-link axle) Model 118 with code U55 (Multi-link axle)
BA42.10-P-1005-12X Bolt, actuator motor to brake caliper M6 Nm 10 10
REAR AXLE BRAKE CALIPER

Number Designation Model 177 with code U54 (Compound-link axle) Model 177 with code U55 (Multi-link axle)
BA42.10-P-1005-12X Bolt, actuator motor to brake caliper M6 Nm 10 10
REAR AXLE BRAKE CALIPER

Number Designation Model 243 Model 247 with code U54 (Compound-link axle)
BA42.10-P-1005-12X Bolt, actuator motor to brake caliper M6 Nm 10 10
REAR AXLE BRAKE CALIPER

Number Designation Model 247 with code U55 (Multi-link axle)
BA42.10-P-1005-12X Bolt, actuator motor to brake caliper M6 Nm 10