Mercedes-Benz Cars 2000-05

Upper Control Arms

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Bushing Replacement



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Front wheel and support the lower control arm with a jack
     
    Upper control arm
     
    Steel spacer washers
     
    Bushings from the control arm, using a appropriate removal tool
     

  4.  

To install:

  1. Install or connect the following:

    Bushings using a appropriate installation tool
     
    Steel spacer washers
     
    Upper control arm
     

  2.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Upper control arm
     
    Steel spacer washers
     

  6.  
  7. Using appropriate removal tool, remove the bushings from the control arm.
  8.  

To install:

  1. Install the bushings using appropriate installation tool.
  2.  
  3. Install or connect the following:

    Steel spacer washers
     
    Upper control arm
     

  4.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Upper control arm
     
    Steel spacer washers
     

  6.  
  7. Using appropriate removal tool, remove the bushings from the control arm.
  8.  

To install:

  1. Install the bushings using appropriate installation tool.
  2.  
  3. Install or connect the following:

    Steel spacer washers
     
    Upper control arm
     

  4.  

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Electrical connections, if equipped
     
    Ball joint stud
     
    Control arm mounting bolts
     

  6.  

To install:

  1. Install or connect the following:

    Control arm assembly using new bolts. Torque the bolts to 37 ft. lbs. (50 Nm).
     
    Ball joint stud. Torque the nut to 88 ft. lbs. (120 Nm).
     
    Electrical connections
     

  2.  
  3. Front wheel
  4.  
  5. Lower the vehicle to the floor and tighten the control arm bolt and nut.
  6.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Electrical connections if equipped
     
    Ball joint stud
     
    Control arm mounting bolts
     

  6.  

To install:

  1. Install or connect the following:

    Control arm assembly using new bolts. Torque the bolts to 37 ft. lbs. (50 Nm)
     
    Ball joint stud. Torque the nut to 88 ft. lbs. (120 Nm).
     
    Electrical connections
     

  2.  
  3. Front wheel
  4.  
  5. Lower the vehicle to the floor and tighten the control arm bolt and nut.
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Electrical connections if equipped
     
    Ball joint stud
     
    Control arm mounting bolts
     

  6.  

To install:

  1. Install or connect the following:

    Control arm assembly using new bolts. Torque the bolts to 37 ft. lbs. (50 Nm)
     
    Ball joint stud. Torque the nut to 88 ft. lbs. (120 Nm).
     
    Electrical connections
     

  2.  
  3. Front wheel
  4.  
  5. Lower the vehicle to the floor and tighten the control arm bolt and nut.
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Electrical connections, if equipped
     
    Ball joint stud
     
    Control arm mounting bolts
     
    Bearing shell
     

  6.  

To install:

  1. Install or connect the following:

    Control arm in the bearing shell. Torque the self-locking nut to 55 ft. lbs. (75 Nm) after the weight of the vehicle is on the suspension.
     
    Control arm assembly using new micro-encapsulated bolts. Torque the bolts to 37 ft. lbs. (50 Nm).
     
    Ball joint stud. Torque the nut to 88 ft. lbs. (120 Nm). Fill the gap in the clamp with a wax-like protectant.
     
    Front wheel
     

  2.  
  3. Lower the vehicle to the floor and tighten the control arm through-bolt and nut to the specification.

    Click image to see an enlarged view

    Fig. Steering knuckle (5), control arm (6), bolt (6c) and nut (6g)-C Class shown, others similar

  4.  

 
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