Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W204) C 180 CDI (204.000), MERCEDES-BENZ C-Class Saloon (W204) C 300 CDI 4-matic (204.092), MERCEDES-BENZ C-Class Saloon (W204) C 350 (204.057), MERCEDES-BENZ C-Class Saloon (W204) C 350 4-matic (204.088), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.023), MERCEDES-BENZ C-Class Saloon (W204) C 63 AMG (204.077), MERCEDES-BENZ C-Class Saloon (W204) C 230 (204.052), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.002), MERCEDES-BENZ C-Class Saloon (W204) C 250 CGI (204.047), MERCEDES-BENZ C-Class Saloon (W204) C 300 (204.054), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.008), MERCEDES-BENZ C-Class Saloon (W204) C 63 AMG DR 520, MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 4-matic (204.084), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.002), MERCEDES-BENZ C-Class Saloon (W204) C 180 CGI (204.031), MERCEDES-BENZ C-Class Saloon (W204) C 300 (204.055), MERCEDES-BENZ C-Class Saloon (W204) C 300 4-matic (204.080) View more

The steps may slightly vary depending on the car design.

How to change rear suspension arm on MERCEDES W204 [TUTORIAL AUTODOC]

video
All the parts you need to replace – Control Arm for C-Class Saloon (W204) and other MERCEDES-BENZ models
How to change Suspension arm on Mercedes W204 C 220 CDI 2.2 (204.008) – step-by-step instructions for straightforward car repair
Suspension arm
How to change Link Set, wheel suspension on Mercedes W204 C 220 CDI 2.2 (204.008) – step-by-step instructions for straightforward car repair
Link Set, wheel suspension
How to change Rod / Strut, wheel suspension on Mercedes W204 C 220 CDI 2.2 (204.008) – step-by-step instructions for straightforward car repair
Rod / Strut, wheel suspension
Tools
Replacement: rear lower arm – Mercedes W204. Tools you might need:
Wire brush
WD-40 spray
Brake cleaner
Ceramic grease
Copper grease
Torque wrench
Combination spanner #18
Drive socket # 10
Drive socket # 18
Torx bit E10
Torx bit E14
XZN socket bit # 12
Wheel impact socket #17
Ratchet wrench
Flat screwdriver
Hydraulic transmission jack
Wheel chock
Replacement: rear lower arm – Mercedes W204. Tip from AUTODOC:
  • The replacement procedure is identical for the left and right lower control arms.
  • Please note: all work on the car – Mercedes W204 – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on Mercedes W204 2007 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 3
    How to replace MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.008) 2008 Control Arm - step-by-step manuals and video guides
    Raise the car.
    Replacement: rear lower arm – Mercedes W204. AUTODOC experts recommend:
    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 W204 C 200 CDI (204.007, 204.006) 2009 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W204
  4. Step 5
    Changing Control Arm on MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.001) 2010 by yourself
    Remove the wheel.
  5. Step 6
    How to remove MERCEDES-BENZ C-CLASS C 180 1.8 Kompressor (204.046) 2011 Control Arm - online easy-to-follow instructions
    Unclip the fasteners and remove the suspension arm plastic cover. Use a flat screwdriver.
  6. Step 7
    How to replace Control Arm on MERCEDES-BENZ C-Class Saloon (W204) 2012: download PDF manuals and video instructions
    Unscrew the fasteners of the underbody plastic cover. Use a drive socket #10. Use a ratchet wrench.
  7. Step 8
    How hard is it to do yourself: Control Arm replacement on Mercedes W204 C 200 1.8 Kompressor (204.041) 2013 - 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 C-CLASS 2014? This free workshop manual will help you to do it yourself
    Unscrew the fastener that connects the suspension arm to the stub axle. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  9. Step 10
    Changing of Control Arm on Mercedes W204 2007 won't be an issue if you follow this illustrated step-by-step guide
    Remove the fastening bolt.
  10. Step 11
    MERCEDES-BENZ C-CLASS C 180 CGI 1.8 (204.049) Control Arm replacement: online guides and video tutorials
    Clean the subframe bracket fasteners. Use a wire brush. Use WD-40 spray.
  11. Step 12
    Replacing Control Arm on Mercedes W204 2009 C 220 CDI 2.2 (204.008) by yourself
    Support the subframe. Use a hydraulic transmission jack.
  12. Step 13
    C-Class Saloon (W204) C 180 1.8 Kompressor (204.046) 2010 Control Arm DIY replacement workshop manual
    Unscrew the subframe bracket fasteners. This is necessary to access the upper fastening bolt of the suspension arm. Use Torx E10. Use Torx E14. Use a ratchet wrench.
  13. Step 14
    How to change Control Arm on MERCEDES-BENZ C-Class Saloon (W204) 2011 - tips and tricks
    Remove the fastening bolts.
  14. Step 15
    Step-by-step recommendations for DIY replacement Mercedes W204 2012 C 180 1.8 Kompressor (204.046) Control Arm
    Remove the subframe bracket.
  15. Step 16
    DIY replacement of Control Arm on MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.002) 2013 is not an issue anymore with our step-by-step tutorial
    Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  16. Step 17
    How to change Control Arm on Mercedes W204 2007 - free PDF and video manuals
    Remove the fastening bolt.
  17. Step 18
    How to replace MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.008) 2008 Control Arm - step-by-step manuals and video guides
    Remove the arm.
  18. Step 19
    Mercedes W204 C 200 CDI (204.007, 204.006) 2009 Control Arm replacement: free workshop manuals
    Clean the suspension arm mounting seats. Use a wire brush. Use WD-40 spray.
  19. Step 20
    Changing Control Arm on MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.001) 2010 by yourself
    Clean the subframe bracket mounting seats. Use a wire brush. Use WD-40 spray.
  20. Step 21
    How to remove MERCEDES-BENZ C-CLASS C 180 1.8 Kompressor (204.046) 2011 Control Arm - online easy-to-follow instructions
    Install a new arm.
    Replacement: rear lower arm – Mercedes W204. Professionals recommend:
    During the installation process, use only new bolts and nuts.
  21. Step 22
    How to replace Control Arm on MERCEDES-BENZ C-Class Saloon (W204) 2012: download PDF manuals and video instructions
    Install the fastening bolts.
  22. Step 23
    How hard is it to do yourself: Control Arm replacement on Mercedes W204 C 200 1.8 Kompressor (204.041) 2013 - download illustrated guide
    Install the subframe bracket.
  23. Step 24
    Need to know how to renew Control Arm on MERCEDES-BENZ C-CLASS 2014? This free workshop manual will help you to do it yourself
    Install the fastening bolts.
  24. Step 25
    Changing of Control Arm on Mercedes W204 2007 won't be an issue if you follow this illustrated step-by-step guide
    Tighten the subframe bracket fasteners. Use Torx E10. Use a torque wrench. Tighten it to 28 Nm torque.
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DIY MERCEDES-BENZ C-Class Saloon (W204) Control Arm replacement - online guide
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