Important!
This replacement procedure can be used for:
MERCEDES-BENZ CLS (C218) CLS 350 (218.359), MERCEDES-BENZ CLS (C218) CLS 250 CDI / BlueTEC / d (218.303, 218.304), MERCEDES-BENZ CLS (C218) CLS 350 CDI / d (218.323), MERCEDES-BENZ CLS (C218) CLS 63 AMG (218.374), MERCEDES-BENZ CLS (C218) CLS 500 (218.373), MERCEDES-BENZ CLS (C218) CLS 500 4-matic (218.391), MERCEDES-BENZ CLS (C218) CLS 350 CDI / d 4-matic (218.393), MERCEDES-BENZ CLS (C218) CLS 63 AMG (218.374), MERCEDES-BENZ CLS (C218) CLS 63 AMG 4-matic (218.392), MERCEDES-BENZ CLS (C218) CLS 63 AMG 4-matic (218.376), MERCEDES-BENZ CLS (C218) CLS 63 AMG (218.375), MERCEDES-BENZ CLS (C218) CLS 350 BlueTEC / d (218.326), MERCEDES-BENZ CLS (C218) CLS 350 BlueTEC / d 4-matic (218.394), MERCEDES-BENZ CLS (C218) CLS 220 BlueTEC / d (218.301), MERCEDES-BENZ CLS (C218) CLS 220 BlueTEC / d (218.301), MERCEDES-BENZ CLS (C218) CLS 220 BlueTEC / d (218.301), MERCEDES-BENZ CLS (C218) CLS 250 BlueTEC / d 4-matic (218.397), MERCEDES-BENZ CLS (C218) CLS 350 BlueTEC / d (218.326), MERCEDES-BENZ CLS (C218) CLS 400 (218.365), MERCEDES-BENZ CLS (C218) CLS 400 4-matic (218.367), MERCEDES-BENZ CLS (C218) CLS 400 (218.361), MERCEDES-BENZ CLS (C218) CLS 400 4-matic (218.368), MERCEDES-BENZ CLS (C218) CLS 350 d 4-matic (218.394) 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

Tools
Replacement: rear lower arm – MERCEDES-BENZ CLS (C218). 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-BENZ CLS (C218). Tip from AUTODOC:
  • The replacement procedure is identical for the left and right lower control arms.
  • Please note: all work on the car – MERCEDES-BENZ CLS (C218) – 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 C218 2011 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 3
    Raise the car.
    Replacement: rear lower arm – MERCEDES-BENZ CLS (C218). 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.
    Step 4
    How to replace MERCEDES-BENZ CLS (C218) CLS 350 CDI / d (218.323) 2012 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 CLS (C218)
  3. Step 5
    Mercedes C218 CLS 350 CDI / d 4-matic (218.393) 2013 Control Arm replacement: free workshop manuals
    Remove the wheel.
  4. Step 6
    Changing Control Arm on MERCEDES-BENZ CLS (C218) CLS 350 3.5 (218.359) 2014 by yourself
    Unclip the fasteners and remove the suspension arm plastic cover. Use a flat screwdriver.
  5. Step 7
    How to remove MERCEDES-BENZ CLS CLS 350 BlueTEC / d 4-matic (218.394) 2015 Control Arm - online easy-to-follow instructions
    Unscrew the fasteners of the underbody plastic cover. Use a drive socket #10. Use a ratchet wrench.
  6. Step 8
    How to replace Control Arm on MERCEDES-BENZ CLS (C218) 2016: download PDF manuals and video instructions
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  7. Step 9
    How hard is it to do yourself: Control Arm replacement on Mercedes C218 CLS 350 BlueTEC / d 3.0 (218.326) 2017 - download illustrated guide
    Unscrew the fastener that connects the suspension arm to the stub axle. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Control Arm on MERCEDES-BENZ CLS 2011? This free workshop manual will help you to do it yourself
    Remove the fastening bolt.
  9. Step 11
    Changing of Control Arm on Mercedes C218 2012 won't be an issue if you follow this illustrated step-by-step guide
    Clean the subframe bracket fasteners. Use a wire brush. Use WD-40 spray.
  10. Step 12
    MERCEDES-BENZ CLS CLS 500 4.7 (218.373) Control Arm replacement: online guides and video tutorials
    Support the subframe. Use a hydraulic transmission jack.
  11. Step 13
    Replacing Control Arm on Mercedes C218 2014 CLS 350 CDI / d (218.323) by yourself
    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.
  12. Step 14
    CLS (C218) CLS 350 BlueTEC / d 4-matic (218.394) 2015 Control Arm DIY replacement workshop manual
    Remove the fastening bolts.
  13. Step 15
    How to change Control Arm on MERCEDES-BENZ CLS (C218) 2016 - tips and tricks
    Remove the subframe bracket.
  14. Step 16
    Step-by-step recommendations for DIY replacement Mercedes C218 2017 CLS 350 BlueTEC / d 4-matic (218.394) Control Arm
    Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  15. Step 17
    DIY replacement of Control Arm on MERCEDES-BENZ CLS (C218) CLS 250 CDI / BlueTEC 2.2 (218.303, 218.304) 2011 is not an issue anymore with our step-by-step tutorial
    Remove the fastening bolt.
  16. Step 18
    How to change Control Arm on Mercedes C218 2011 - free PDF and video manuals
    Remove the arm.
  17. Step 19
    How to replace MERCEDES-BENZ CLS (C218) CLS 350 CDI / d (218.323) 2012 Control Arm - step-by-step manuals and video guides
    Clean the suspension arm mounting seats. Use a wire brush. Use WD-40 spray.
  18. Step 20
    Mercedes C218 CLS 350 CDI / d 4-matic (218.393) 2013 Control Arm replacement: free workshop manuals
    Clean the subframe bracket mounting seats. Use a wire brush. Use WD-40 spray.
  19. Step 21
    Changing Control Arm on MERCEDES-BENZ CLS (C218) CLS 350 3.5 (218.359) 2014 by yourself
    Install a new arm.
    Replacement: rear lower arm – MERCEDES-BENZ CLS (C218). Professionals recommend:
    During the installation process, use only new bolts and nuts.
  20. Step 22
    How to remove MERCEDES-BENZ CLS CLS 350 BlueTEC / d 4-matic (218.394) 2015 Control Arm - online easy-to-follow instructions
    Install the fastening bolts.
  21. Step 23
    How to replace Control Arm on MERCEDES-BENZ CLS (C218) 2016: download PDF manuals and video instructions
    Install the subframe bracket.
  22. Step 24
    How hard is it to do yourself: Control Arm replacement on Mercedes C218 CLS 350 BlueTEC / d 3.0 (218.326) 2017 - download illustrated guide
    Install the fastening bolts.
  23. Step 25
    Need to know how to renew Control Arm on MERCEDES-BENZ CLS 2011? This free workshop manual will help you to do it yourself
    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 CLS (C218) Control Arm replacement - online guide
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