How to carry out replacement: Control Arm 300 CE 3.0 (124.050) MERCEDES-BENZ COUPE (C124)
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Change MERCEDES-BENZ COUPE (C124) 300 CE 3.0 (124.050) Control Arm yourself – manuals and video tutorials

How to change rear suspension lower control arm on MERCEDES-BENZ W124 Coupe (C124) – replacement guide

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Important!
This replacement procedure can be used for:
MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043), MERCEDES-BENZ W124 Coupe (C124) 220 CE (124.042), MERCEDES-BENZ W124 Coupe (C124) 320 CE (124.052), MERCEDES-BENZ W124 Coupe (C124) 300 CE (124.050), MERCEDES-BENZ W124 Coupe (C124) 230 CE Cat (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 300 CE, MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Control Arm for W124 Coupe (C124) and other MERCEDES-BENZ models
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Tools
Replacement: rear suspension lower control arm – MERCEDES-BENZ COUPE (C124). Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #16
HEX bit No.H5.
XZN socket bit # 12
Drive socket # 10
Drive socket # 19
Wheel impact socket #17
Ratchet wrench
Hammer
Crow bar
Tap wrench
Ball joint puller
Hydraulic transmission jack
Wheel chock
Buy tools
Replacement: rear suspension lower control arm – MERCEDES-BENZ COUPE (C124). AUTODOC experts recommend:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Replacement: rear suspension lower control arm – MERCEDES-BENZ COUPE (C124). Use the following procedure:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on MERCEDES-BENZ COUPE (C124) 1987 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 3
    Raise the rear of the car and secure on supports.
    Step 4
    How to replace MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 (124.050) 1988 Control Arm - step-by-step manuals and video guides
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ COUPE (C124)
  3. Step 5
    MERCEDES-BENZ COUPE (C124) 300 CE-24 3.0 (124.051) 1989 Control Arm replacement: free workshop manuals
    Remove the wheel.
  4. Step 6
    Unscrew the fasteners of the plastic car body protective cover. Use a drive socket #10. Use a ratchet wrench.
    Step 7
    Changing Control Arm on MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 1990 by yourself
    Remove the plastic car body protective cover.
  5. Step 8
    How to remove MERCEDES-BENZ Baureihe 123 230 CE Cat (124.043) 1991 Control Arm - online easy-to-follow instructions
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  6. Step 9
    How to replace Control Arm on MERCEDES-BENZ W124 Coupe (C124) 1992: download PDF manuals and video instructions
    Make a mark on the camber adjustment bolt.
  7. Step 10
    How hard is it to do yourself: Control Arm replacement on MERCEDES-BENZ COUPE (C124) 320 CE 3.2 (124.052) 1993 - download illustrated guide
    Unscrew the fastener connecting the control arm to the subframe. Use XZN #12. Use a drive socket #19. Use a tap wrench.
  8. Step 11
    Need to know how to renew Control Arm on MERCEDES-BENZ Baureihe 123 1987? This free workshop manual will help you to do it yourself
    Remove the fastening bolt. Use a crowbar. Use a hammer.
  9. Step 12
    Changing of Control Arm on MERCEDES-BENZ COUPE (C124) 1988 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #16. Use HEX No.H5. Use a ratchet wrench.
  10. Step 13
    MERCEDES-BENZ Baureihe 123 300 CE 3.0 (124.050) Control Arm replacement: online guides and video tutorials
    Detach the ball joint from the rear knuckle. Use a ball joint puller.
  11. Step 14
    Replacing Control Arm on MERCEDES-BENZ COUPE (C124) 1990 300 CE 3.0 (124.050) by yourself
    Remove the arm. Use a crowbar.
  12. Step 15
    W124 Coupe (C124) 230 CE Cat (124.043) 1991 Control Arm DIY replacement workshop manual
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  13. Step 16
    How to change Control Arm on MERCEDES-BENZ W124 Coupe (C124) 1992 - tips and tricks
    Install a new arm.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – MERCEDES-BENZ COUPE (C124). Use only new bolts and nuts for installation.Do not damage the ball joint cover.
  14. Step 17
    Step-by-step recommendations for DIY replacement MERCEDES-BENZ COUPE (C124) 1993 230 CE Cat (124.043) Control Arm
    Install the fastening bolt.
  15. Step 18
    Attach the ball joint to the rear knuckle.
    Step 19
    DIY replacement of Control Arm on MERCEDES-BENZ W124 Coupe (C124) 230 CE 2.3 (124.043) 1987 is not an issue anymore with our step-by-step tutorial
    Screw in the fasteners connecting the control arm to the rear knuckle. Use a combination spanner #16. Use HEX No.H5. Use a ratchet wrench.
  16. Step 20
    How to change Control Arm on MERCEDES-BENZ COUPE (C124) 1987 - free PDF and video manuals
    Adjust the position of the alignment bolt according to the mark.
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