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) 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: front lower arm – MERCEDES-BENZ SL (R230). Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #21
Drive socket # E18
Drive socket # 21
Wheel impact socket #17
Ratchet wrench
Torque wrench
Ball joint puller
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – MERCEDES-BENZ SL (R230). 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-BENZ SL (R230). Take the following steps:
  1. Step 1
    How to change Control Arm on Mercedes SL R230 2001 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace MERCEDES-BENZ SL (R230) 500 5.0 (230.475) 2002 Control Arm - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 3
    Raise the front of the car and secure on supports.
    Step 4
    Mercedes SL R230 350 3.7 (230.467) 2003 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    Replacement: front lower arm – MERCEDES-BENZ SL (R230). Tip from AUTODOC:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Step 5
    Changing Control Arm on MERCEDES-BENZ SL (R230) 500 (230.471) 2004 by yourself
    Remove the wheel.
  5. Step 6
    Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
    Step 7
    How to remove MERCEDES-BENZ SL 350 (230.456) 2005 Control Arm - online easy-to-follow instructions
    Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #21. Use a ratchet wrench.
  6. Step 8
    How to replace Control Arm on MERCEDES-BENZ SL (R230) 2006: download PDF manuals and video instructions
    Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
  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
    Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.
  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 arm fastening from the subframe. Use a combination spanner #21. Use a drive socket #E18. 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
    Remove the fastening bolt.
  10. Step 12
    MERCEDES-BENZ SL 350 (230.458) Control Arm replacement: online guides and video tutorials
    Remove the arm. Use a crowbar.
  11. Step 13
    Replacing Control Arm on Mercedes SL R230 2011 500 5.0 (230.475) by yourself
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  12. Step 14
    SL (R230) 350 (230.456) 2012 Control Arm DIY replacement workshop manual
    Install a new arm.
    Replacement: front lower arm – MERCEDES-BENZ SL (R230). Professionals recommend:
    During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
  13. Step 15
    Connect the ball joint to the steering knuckle.
    Step 16
    How to change Control Arm on MERCEDES-BENZ SL (R230) 2001 - tips and tricks
    Install the fastening bolt.
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DIY MERCEDES-BENZ SL (R230) Control Arm replacement - online guide
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