How to carry out replacement: Control Arm E 250 D 2.5 (124.126, 124.129) Mercedes E Class W124
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Change Mercedes E Class W124 E 280 2.8 (124.029) Control Arm yourself – manuals and video tutorials

How to change front lower arm on Mercedes W124 – replacement guide

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Important!
This replacement procedure can be used for:
MERCEDES-BENZ E-Class Saloon (W124) E 300 D (124.131), MERCEDES-BENZ E-Class Saloon (W124) E 200 (124.019), MERCEDES-BENZ E-Class Saloon (W124) E 220 (124.022), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.029), MERCEDES-BENZ E-Class Saloon (W124) E 200 D (124.120), MERCEDES-BENZ E-Class Saloon (W124) E 250 Turbo-D (124.128), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D 4-matic (124.333), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D (124.133), MERCEDES-BENZ E-Class Saloon (W124) E 300 4-matic (124.230) … View more

The steps may slightly vary depending on the car design.

How to change front suspension arm on MERCEDES W124 [TUTORIAL AUTODOC]

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Published on: 25/04/2023
7K views
All the parts you need to replace – Control Arm for E-Class Saloon (W124) and other MERCEDES-BENZ models
How to change Suspension arm on Mercedes E Class W124 E 250 D 2.5 (124.126, 124.129) – step-by-step instructions for straightforward car repair Suspension arm
How to change Suspension arm on E-Class Saloon (W124) – tips for proper car maintenance
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Simple DIY car repair steps – Replacing Suspension arm on E-Class Saloon (W124)
Suspension arm for E-Class Saloon (W124) Petrol (136 hp)
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Suspension arm for E-Class Saloon (W124) Petrol (150 hp)
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Suspension arm for E-Class Saloon (W124) Petrol (193 hp)
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Suspension arm for E-Class Saloon (W124) Diesel (75 hp)
Main steps for Suspension arm replacement on E-Class Saloon (W124)
Suspension arm for E-Class Saloon (W124) Diesel (126 hp)
How to change Suspension arm on E-Class Saloon (W124) – tips for proper car maintenance
Suspension arm for E-Class Saloon (W124) Diesel (147 hp)
Simple DIY car repair steps – Replacing Suspension arm on E-Class Saloon (W124)
Suspension arm for E-Class Saloon (W124) Diesel (147 hp)
Easy tricks to help you to replace Suspension arm on E-Class Saloon (W124)
Suspension arm for E-Class Saloon (W124) Petrol (180 hp)
Tools
Replacement: front lower arm – Mercedes W124. List of the tools you'll need:
Wire brush
WD-40 spray
All-purpose cleaning spray
Ceramic grease
Torque wrench
Combination spanner #18
Combination spanner #22
Drive socket # 13
Drive socket # 19
Drive socket # 22
Wheel impact socket #17
Ratchet wrench
Tap wrench
Hammer
Pin punch
Crow bar
Rubber mallet
Strut spring compressor
Hydraulic transmission jack
Wheel chock
Buy tools
Replacement: front lower arm – Mercedes W124. 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: front lower arm – Mercedes W124. Recommended sequence of steps:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on Mercedes E Class W124 1993 - free PDF and video manuals
    Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
  2. Step 3
    How to replace MERCEDES-BENZ E-Class Saloon (W124) E 250 D 2.5 (124.126, 124.129) 1994 Control Arm - step-by-step manuals and video guides
    Raise the car.
    Replacement: front lower arm – Mercedes W124. AUTODOC recommends:
    If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
  3. Step 4
    Mercedes E Class W124 E 300 D 3.0 (124.131) 1995 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Step 5
    Changing Control Arm on MERCEDES-BENZ E-Class Saloon (W124) E 220 2.2 (124.022) 1996 by yourself
    Remove the wheel.
  5. Step 6
    How to remove MERCEDES-BENZ E-CLASS E 200 D 2.0 (124.120) 1993 Control Arm - online easy-to-follow instructions
    Install the coil spring compressor on the coil spring.
    Replacement: front lower arm – Mercedes W124. Professionals recommend:
    Use adapters and jaws of the appropriate size.The sping coils should be securely fixed with the coil spring compressor.Use high quality coil spring compressors.
  6. Step 7
    How to replace Control Arm on MERCEDES-BENZ E-Class Saloon (W124) 1994: download PDF manuals and video instructions
    Compress the spring.
    AUTODOC recommends:
    Be careful. The compressed spring is powerful and can cause injury if it comes loose.
  7. Step 8
    How hard is it to do yourself: Control Arm replacement on Mercedes E Class W124 E 250 2.5 Turbo Diesel (124.128) 1995 - download illustrated guide
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  8. Step 9
    Need to know how to renew Control Arm on MERCEDES-BENZ E-CLASS 1996? This free workshop manual will help you to do it yourself
    Make marks on the camber bolts.
  9. Step 10
    Changing of Control Arm on Mercedes E Class W124 1993 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the rear fastener of the control arm. Use a combination spanner #22. Use a drive socket #22. Use a ratchet wrench.
  10. Step 11
    MERCEDES-BENZ E-CLASS E 280 2.8 (124.029) Control Arm replacement: online guides and video tutorials
    Unscrew the front fastener of the control arm. Use a combination spanner #22. Use a drive socket #22. Use a ratchet wrench.
  11. Step 12
    Replacing Control Arm on Mercedes E Class W124 1995 E 250 D 2.5 (124.126, 124.129) by yourself
    Unscrew the fasteners connecting the anti-roll bar bracket to the control arm. Use a drive socket #13. Use a ratchet wrench.
  12. Step 13
    E-Class Saloon (W124) E 200 D 2.0 (124.120) 1996 Control Arm DIY replacement workshop manual
    Detach the anti-roll bar from the control arm.
  13. Step 14
    How to change Control Arm on MERCEDES-BENZ E-Class Saloon (W124) 1993 - tips and tricks
    Unscrew the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #18. Use a drive socket #19. Use a ratchet wrench.
  14. Step 15
    Step-by-step recommendations for DIY replacement Mercedes E Class W124 1994 E 200 D 2.0 (124.120) Control Arm
    Remove the fastening bolt.
  15. Step 16
    DIY replacement of Control Arm on MERCEDES-BENZ E-Class Saloon (W124) E 200 2.0 (124.019) 1995 is not an issue anymore with our step-by-step tutorial
    Disconnect the ball joint from the steering knuckle.
  16. Step 17
    How to change Control Arm on Mercedes E Class W124 1993 - free PDF and video manuals
    Remove the fastening bolts. Use a pin punch. Use a hammer.
  17. Step 18
    How to replace MERCEDES-BENZ E-Class Saloon (W124) E 250 D 2.5 (124.126, 124.129) 1994 Control Arm - step-by-step manuals and video guides
    Remove the coil spring together with the coil spring compressor.
    Replacement: front lower arm – Mercedes W124. Tip from AUTODOC experts:
    While the spring is compressed, do not do any operations on it.
  18. Step 19
    Mercedes E Class W124 E 300 D 3.0 (124.131) 1995 Control Arm replacement: free workshop manuals
    Remove the control arm. Use a crowbar.
  19. Step 20
    Changing Control Arm on MERCEDES-BENZ E-Class Saloon (W124) E 220 2.2 (124.022) 1996 by yourself
    Clean the suspension arm mounting seats. Use a wire brush. Use all-purpose cleaning spray.
  20. Step 21
    How to remove MERCEDES-BENZ E-CLASS E 200 D 2.0 (124.120) 1993 Control Arm - online easy-to-follow instructions
    Install the new control arm.
    AUTODOC recommends:
    During the installation process, use only new bolts and nuts.
  21. Step 22
    How to replace Control Arm on MERCEDES-BENZ E-Class Saloon (W124) 1994: download PDF manuals and video instructions
    Connect the ball joint to the steering knuckle.
  22. Step 23
    How hard is it to do yourself: Control Arm replacement on Mercedes E Class W124 E 250 2.5 Turbo Diesel (124.128) 1995 - download illustrated guide
    Install the fastening bolt.
  23. Step 24
    Need to know how to renew Control Arm on MERCEDES-BENZ E-CLASS 1996? This free workshop manual will help you to do it yourself
    Support the control arm. Use a hydraulic transmission jack.
  24. Step 25
    Changing of Control Arm on Mercedes E Class W124 1993 won't be an issue if you follow this illustrated step-by-step guide
    Install the spring together with the compressor.
    Replacement: front lower arm – Mercedes W124. Tip:
    Make sure that the coil spring is correctly positioned in its mounting seats.
  25. Step 26
    MERCEDES-BENZ E-CLASS E 280 2.8 (124.029) Control Arm replacement: online guides and video tutorials
    Position the control arm according to its mounting holes. Use a rubber mallet.
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