Important!
This replacement procedure can be used for:
MERCEDES-BENZ SL (R230) 500 (230.475), MERCEDES-BENZ SL (R230) 55 AMG (230.474), MERCEDES-BENZ SL (R230) 55 AMG Kompressor (230.474), MERCEDES-BENZ SL (R230) 350 (230.467), MERCEDES-BENZ SL (R230) 600 (230.476), MERCEDES-BENZ SL (R230) 65 AMG (230.479), MERCEDES-BENZ SL (R230) 350 (230.456), MERCEDES-BENZ SL (R230) 500 (230.471), MERCEDES-BENZ SL (R230) 600 (230.477), MERCEDES-BENZ SL (R230) 55 AMG (230.472), MERCEDES-BENZ SL (R230) 350 (230.458), MERCEDES-BENZ SL (R230) 63 AMG (230.470), MERCEDES-BENZ SL (R230) 280 (230.454), MERCEDES-BENZ SL (R230) 300 (230.454), MERCEDES-BENZ SL (R230) 65 AMG Black Series (230.479), MERCEDES-BENZ SL (R230) 55 AMG (230.474) 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 SL (R230) and other MERCEDES-BENZ models
Tools
Replacement: rear suspension lower trailing arm – MERCEDES-BENZ SL (R230). Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #18
Drive socket # 10
Drive socket # 18
XZN socket bit # 12
Wheel impact socket #17
Ratchet wrench
Hydraulic transmission jack
Crow bar
Wheel chock
Replacement: rear suspension lower trailing arm – MERCEDES-BENZ SL (R230). Tip from AUTODOC experts:
  • 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 trailing arm – MERCEDES-BENZ SL (R230). Use the following procedure:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on Mercedes SL R230 2001 - 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 SL (R230) 500 5.0 (230.475) 2002 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 SL (R230)
  3. Step 5
    Mercedes SL R230 350 3.7 (230.467) 2003 Control Arm replacement: free workshop manuals
    Remove the wheel.
  4. Step 6
    Changing Control Arm on MERCEDES-BENZ SL (R230) 500 (230.471) 2004 by yourself
    Unscrew the fasteners of the plastic car body protective cover. Use a drive socket #10. Use a ratchet wrench.
  5. Step 7
    How to remove MERCEDES-BENZ SL 350 (230.456) 2005 Control Arm - online easy-to-follow instructions
    Remove the plastic car body protective cover.
  6. Step 8
    How to replace Control Arm on MERCEDES-BENZ SL (R230) 2006: 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 SL R230 55 AMG (230.472) 2007 - download illustrated guide
    Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use XZN #12. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Control Arm on MERCEDES-BENZ SL 2008? This free workshop manual will help you to do it yourself
    Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use XZN #12. Use a ratchet wrench.
  9. Step 11
    Changing of Control Arm on Mercedes SL R230 2009 won't be an issue if you follow this illustrated step-by-step guide
    Support the arm. Use a hydraulic transmission jack.
  10. Step 12
    MERCEDES-BENZ SL 350 (230.458) Control Arm replacement: online guides and video tutorials
    Remove the fastening bolts. Use XZN #12. Use a ratchet wrench.
  11. Step 13
    Replacing Control Arm on Mercedes SL R230 2011 500 5.0 (230.475) by yourself
    Remove the arm. Use a crowbar.
  12. Step 14
    SL (R230) 350 (230.456) 2012 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 15
    How to change Control Arm on MERCEDES-BENZ SL (R230) 2001 - tips and tricks
    Install a new arm.
    AUTODOC recommends:
    Replacement: rear suspension lower trailing arm – MERCEDES-BENZ SL (R230). Use only new bolts and nuts for installation.
  14. Step 16
    Step-by-step recommendations for DIY replacement Mercedes SL R230 2002 350 (230.456) Control Arm
    Install the fastening bolt.
  15. Step 17
    DIY replacement of Control Arm on MERCEDES-BENZ SL (R230) 55 AMG 5.4 Kompressor (230.474) 2003 is not an issue anymore with our step-by-step tutorial
    Screw the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use XZN #12. Use a ratchet wrench.
  16. Step 18
    How to change Control Arm on Mercedes SL R230 2001 - free PDF and video manuals
    Install the fastening bolt.
  17. Step 19
    How to replace MERCEDES-BENZ SL (R230) 500 5.0 (230.475) 2002 Control Arm - step-by-step manuals and video guides
    Screw in the fasteners connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use XZN #12. Use a ratchet wrench.
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DIY MERCEDES-BENZ SL (R230) Control Arm replacement - online guide
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