How to carry out replacement: Control Arm 500 SL 5.0 (129.066) SL R129
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Change SL R129 320 3.2 (129.064) Control Arm yourself – manuals and video tutorials

How to change rear suspension lower control arm on MERCEDES-BENZ SL (R129) – replacement guide

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Download your free tutorial and fix MERCEDES-BENZ SL (R129) 500 5.0 (129.068) problems yourself Download for free 1.96 MB Control Arm for SL R129 Shop now
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ SL (R129) 280 (129.058), MERCEDES-BENZ SL (R129) 300 SL (129.060), MERCEDES-BENZ SL (R129) 300 SL-24 (129.061), MERCEDES-BENZ SL (R129) 320 (129.063), MERCEDES-BENZ SL (R129) 500 (129.067), MERCEDES-BENZ SL (R129) 500 SL (129.066), MERCEDES-BENZ SL (R129) 600 (129.076), MERCEDES-BENZ SL (R129) 60 AMG (129.067), MERCEDES-BENZ SL (R129) 280 (129.059), MERCEDES-BENZ SL (R129) 320 (129.064), MERCEDES-BENZ SL (R129) 500 (129.068), MERCEDES-BENZ SL (R129) 55 AMG, MERCEDES-BENZ SL (R129) SL 73 AMG (129.076), MERCEDES-BENZ SL (R129) 600 SL (129.076) … 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 (R129) and other MERCEDES-BENZ models
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Tools
Replacement: rear suspension lower control arm – MERCEDES-BENZ SL (R129). 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
Buy tools
Replacement: rear suspension lower control arm – MERCEDES-BENZ SL (R129). 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-BENZ SL (R129). Use the following procedure:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on SL R129 1989 - 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 (R129) 500 SL 5.0 (129.066) 1990 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 (R129)
  3. Step 5
    SL R129 300 SL-24 3.0 (129.061) 1991 Control Arm replacement: free workshop manuals
    Remove the wheel.
  4. Step 6
    Unscrew the fasteners of the plastic car body protective cover. Use a drive socket #10. Use a ratchet wrench.
    Step 7
    Changing Control Arm on MERCEDES-BENZ SL (R129) 320 3.2 (129.063) 1992 by yourself
    Remove the plastic car body protective cover.
  5. Step 8
    How to remove MERCEDES-BENZ SL 300 SL 3.0 (129.060) 1993 Control Arm - online easy-to-follow instructions
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  6. Step 9
    How to replace Control Arm on MERCEDES-BENZ SL (R129) 1994: download PDF manuals and video instructions
    Make a mark on the camber adjustment bolt.
  7. Step 10
    How hard is it to do yourself: Control Arm replacement on SL R129 280 2.8 (129.058) 1995 - download illustrated guide
    Unscrew the fastener connecting the control arm to the subframe. Use XZN #12. Use a drive socket #19. Use a tap wrench.
  8. Step 11
    Need to know how to renew Control Arm on MERCEDES-BENZ SL 1996? This free workshop manual will help you to do it yourself
    Remove the fastening bolt. Use a crowbar. Use a hammer.
  9. Step 12
    Changing of Control Arm on SL R129 1997 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #16. Use HEX No.H5. Use a ratchet wrench.
  10. Step 13
    MERCEDES-BENZ SL 320 3.2 (129.064) Control Arm replacement: online guides and video tutorials
    Detach the ball joint from the rear knuckle. Use a ball joint puller.
  11. Step 14
    Replacing Control Arm on SL R129 1999 500 SL 5.0 (129.066) by yourself
    Remove the arm. Use a crowbar.
  12. Step 15
    SL (R129) 300 SL 3.0 (129.060) 2000 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 16
    How to change Control Arm on MERCEDES-BENZ SL (R129) 2001 - tips and tricks
    Install a new arm.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – MERCEDES-BENZ SL (R129). Use only new bolts and nuts for installation.Do not damage the ball joint cover.
  14. Step 17
    Step-by-step recommendations for DIY replacement SL R129 1989 300 SL 3.0 (129.060) Control Arm
    Install the fastening bolt.
  15. Step 18
    Attach the ball joint to the rear knuckle.
    Step 19
    DIY replacement of Control Arm on MERCEDES-BENZ SL (R129) 500 5.0 (129.067) 1990 is not an issue anymore with our step-by-step tutorial
    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.
  16. Step 20
    How to change Control Arm on SL R129 1989 - free PDF and video manuals
    Adjust the position of the alignment bolt according to the mark.
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