Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061), MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)

The steps may slightly vary depending on the car design.

How to change rear suspension arm on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

Replacement: rear suspension lower control arm – Mercedes W203. Tools you need:
Replacement: rear suspension lower control arm – Mercedes W203. 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
All the parts you need to replace – Control Arm for C-Class Saloon (W203) and other MERCEDES-BENZ models
How to change Link Set, wheel suspension on Mercedes W203 C 220 CDI 2.2 (203.006) – step-by-step instructions for straightforward car repair
Link Set, wheel suspension
How to change Link Set, wheel suspension on MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) – tips for proper car maintenance
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061)
Simple DIY car repair steps – Replacing Link Set, wheel suspension on MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
How to change Rod / Strut, wheel suspension on Mercedes W203 C 220 CDI 2.2 (203.006) – step-by-step instructions for straightforward car repair
Rod / Strut, wheel suspension
How to change Rod / Strut, wheel suspension on MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) – tips for proper car maintenance
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061)
Simple DIY car repair steps – Replacing Rod / Strut, wheel suspension on MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
How to change Track Control Arm on Mercedes W203 C 220 CDI 2.2 (203.006) – step-by-step instructions for straightforward car repair
Track Control Arm
How to change Track Control Arm on MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) – tips for proper car maintenance
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061)
Simple DIY car repair steps – Replacing Track Control Arm on MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
Replacement: rear suspension lower control arm – Mercedes W203. 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 W203. Use the following procedure:
  1. How to change Control Arm on Mercedes W203 2000 - free PDF and video manuals
    Step 1
    Secure the wheels with chocks.
    Step 2
    Loosen the wheel mounting bolts.Use wheel impact socket #17.
  2. How to replace MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2.2 (203.006) 2001 Control Arm - step-by-step manuals and video guides
    Step 3
    Raise the rear of the car and secure on supports.
  3. Mercedes W203 C 180 1.8 Kompressor (203.046) 2002 Control Arm replacement: free workshop manuals
    Step 4
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W203
  4. Changing Control Arm on MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI 2.2 (203.004) 2003 by yourself
    Step 5
    Remove the wheel.
  5. How to remove MERCEDES-BENZ C-CLASS C 200 CDI 2.2 (203.007) 2004 Control Arm - online easy-to-follow instructions
    Step 6
    Unscrew the fasteners of the plastic car body protective cover.Use a drive socket #10.Use a ratchet wrench.
    Step 7
    Remove the plastic car body protective cover.
  6. How to replace Control Arm on MERCEDES-BENZ C-Class Saloon (W203) 2005: download PDF manuals and video instructions
    Step 8
    Clean all joints of the arm.Use a wire brush.Use WD-40 spray.
  7. How hard is it to do yourself: Control Arm replacement on Mercedes W203 C 200 2.0 Kompressor (203.045) 2006 - download illustrated guide
    Step 9
    Make a mark on the camber adjustment bolt.
  8. Need to know how to renew Control Arm on MERCEDES-BENZ C-CLASS ? This free workshop manual will help you to do it yourself
    Step 10
    Unscrew the fastener connecting the control arm to the subframe.Use XZN #12. Use a drive socket #19.Use a tap wrench.
  9. Changing of Control Arm on Mercedes W203 2000 won't be an issue if you follow this illustrated step-by-step guide
    Step 11
    Remove the fastening bolt. Use a crowbar. Use a hammer.
  10. MERCEDES-BENZ C-CLASS C 200 1.8 Kompressor (203.042) Control Arm replacement: online guides and video tutorials
    Step 12
    Unscrew the fastener connecting the control arm to the rear knuckle.Use a combination spanner #16.Use HEX No.H5.Use a ratchet wrench.
  11. Replacing Control Arm on Mercedes W203 2002 C 220 CDI 2.2 (203.006) by yourself
    Step 13
    Detach the ball joint from the rear knuckle.Use a ball joint puller.
  12. C-Class Saloon (W203) C 200 CDI 2.2 (203.007) 2003 Control Arm DIY replacement workshop manual
    Step 14
    Remove the arm.Use a crowbar.
  13. How to change Control Arm on MERCEDES-BENZ C-Class Saloon (W203) 2004 - tips and tricks
    Step 15
    Clean the mounting seats and the thread of the suspension arm.Use a wire brush.Use WD-40 spray.
  14. Step-by-step recommendations for DIY replacement Mercedes W203 2005 C 200 CDI 2.2 (203.007) Control Arm
    Step 16
    Install a new arm.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – Mercedes W203. Use only new bolts and nuts for installation.Do not damage the ball joint cover.
  15. DIY replacement of Control Arm on MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2.2 (203.008) 2006 is not an issue anymore with our step-by-step tutorial
    Step 17
    Install the fastening bolt.
  16. How to change Control Arm on Mercedes W203 2000 - free PDF and video manuals
    Step 18
    Attach the ball joint to the rear knuckle.
    Step 19
    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.
  17. How to replace MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2.2 (203.006) 2001 Control Arm - step-by-step manuals and video guides
    Step 20
    Adjust the position of the alignment bolt according to the mark.
  18. Mercedes W203 C 180 1.8 Kompressor (203.046) 2002 Control Arm replacement: free workshop manuals
    Step 21
    Screw the fastener connecting the control arm to the subframe.Use XZN #12. Use a drive socket #19.Use a tap wrench.
  19. Changing Control Arm on MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI 2.2 (203.004) 2003 by yourself
    Step 22
    Support the arm.Use a hydraulic transmission jack.
  20. How to remove MERCEDES-BENZ C-CLASS C 200 CDI 2.2 (203.007) 2004 Control Arm - online easy-to-follow instructions
    Step 23
    Tighten the fastener connecting the control arm to the subframe.Use XZN #12. Use a drive socket #19.Use a torque wrench.Tighten it to 76 Nm torque.
  21. How to replace Control Arm on MERCEDES-BENZ C-Class Saloon (W203) 2005: download PDF manuals and video instructions
    Step 24
    Tighten the fastener connecting the control arm to the rear knuckle.Use a combination spanner #16.Use a torque wrench.Tighten it to 69 Nm torque.
  22. How hard is it to do yourself: Control Arm replacement on Mercedes W203 C 200 2.0 Kompressor (203.045) 2006 - download illustrated guide
    Step 25
    Remove the support from under the arm.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – Mercedes W203. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
  23. Need to know how to renew Control Arm on MERCEDES-BENZ C-CLASS ? This free workshop manual will help you to do it yourself
    Step 26
    Reinstall the plastic car body protective cover.
  24. Changing of Control Arm on Mercedes W203 2000 won't be an issue if you follow this illustrated step-by-step guide
    Step 27
    Screw in the fasteners of the plastic car body protective cover.Use a drive socket #10.Use a ratchet wrench.
    Step 28
    Treat all joints of the arm.Use copper grease.
  25. MERCEDES-BENZ C-CLASS C 200 1.8 Kompressor (203.042) Control Arm replacement: online guides and video tutorials
    Step 29
    Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
  26. Replacing Control Arm on Mercedes W203 2002 C 220 CDI 2.2 (203.006) by yourself
    Step 30
    Clean the brake disk surface.Use a brake cleaner.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – Mercedes W203. After applying the spray, wait a few minutes.
  27. C-Class Saloon (W203) C 200 CDI 2.2 (203.007) 2003 Control Arm DIY replacement workshop manual
    Step 31
    Install the wheel.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W203
  28. How to change Control Arm on MERCEDES-BENZ C-Class Saloon (W203) 2004 - tips and tricks
    Step 32
    Screw in the wheel bolts.Use wheel impact socket #17.
  29. Step-by-step recommendations for DIY replacement Mercedes W203 2005 C 200 CDI 2.2 (203.007) Control Arm
    Step 33
    Lower the car and working in a cross order, tighten the wheel bolts.Use wheel impact socket #17.Use a torque wrench.Tighten it to 120 Nm torque.
  30. DIY replacement of Control Arm on MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2.2 (203.008) 2006 is not an issue anymore with our step-by-step tutorial
    Step 34
    Remove the jacks and chocks.
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DIY MERCEDES-BENZ C-Class Saloon (W203) Control Arm replacement - online guide
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