34 41 280 Removing and installing actuator unit with control unit for parking brake (EMF): Notes

Necessary preliminary tasks: 

• Remove BOTH REAR WHEELS .

Delete fault memory.

Check function of actuator unit.

If actuator unit is defective, set diagnosis system to workshop mode.

• Operating procedure: 
  • Perform vehicle identification  .
  • Carry out vehicle test  .
  • Open menu item Actions  .
    • Open Service Function  .
      • Level 1:

        Select menu item:

        02 Chassis and Suspension 

      • Level 2: Select menu item:

        Parking Brake 

      • Level 3:

        Select menu item:

        Workshop Mode 

        • List of matches:

          Activate "AS 3440_L6_EMF" workshop mode file 

        • Procedure/Option: Select menu item:

          1 Set Workshop Mode 

        • Procedure:

          The message

          Workshop mode has been set  is displayed

Open tailgate.

Fold back luggage compartment floor trim panel (1) as pictured.

Release plastic nuts (2).

Remove luggage compartment floor trim panel (1) in direction of arrow.

Fig 1: Removing Luggage Compartment Floor Trim Panel

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Cable for emergency release (1) must be removed with actuating unit.

Press both detent lugs together and press cable for emergency release (1) downwards.

Fig 2: Pressing Both Detent Lugs

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Release screw (1) and remove spring clip (2) on left and right.

Installation note: 

Tightening torque: see 1AZ in 34 41 PARKING BRAKE .

Fig 3: Identifying Screw And Spring Clip

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Disengage parking brake Bowden cable (1) from holder (2) on right and left.

Replace holder (2).

Fig 4: Identifying Parking Brake Bowden Cable And Holder

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Fig 5: Disengaging Parking Brake Bowden Cable From Holder

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