Important!
This replacement procedure can be used for:
MERCEDES-BENZ SLK (R171) 200 Kompressor (171.442), MERCEDES-BENZ SLK (R171) 350 (171.456), MERCEDES-BENZ SLK (R171) 55 AMG (171.473), MERCEDES-BENZ SLK (R171) 280 (171.454), MERCEDES-BENZ SLK (R171) 350 (171.458), MERCEDES-BENZ SLK (R171) 200 Kompressor (171.445), MERCEDES-BENZ SLK (R171) 300 (171.454), MERCEDES-BENZ SLK (R171) 55 AMG (171.473), MERCEDES-BENZ SLK (R171) 55 AMG (171.473) 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 SLK (R171) and other MERCEDES-BENZ models
Alternative products
How to change Suspension arm on SLK R171 200 Kompressor (171.442) – step-by-step instructions for straightforward car repair Suspension arm
Tools
Replacement: rear lower arm – MERCEDES-BENZ SLK (R171). Tools you need:
Wire brush
WD-40 spray
All-purpose cleaning spray
Ceramic grease
Torque wrench
Combination spanner #18
XZN socket bit # 12
Wheel impact socket #17
Ratchet wrench
Tap wrench
Hydraulic transmission jack
Wheel chock
Replacement: rear lower arm – MERCEDES-BENZ SLK (R171). Professionals recommend:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Carry out replacement in the following order:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on SLK R171 2004 - free PDF and video manuals
    Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
  2. Step 3
    Raise the car.
    AUTODOC recommends:
    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 SLK (R171) 200 Kompressor (171.442) 2005 Control Arm - step-by-step manuals and video guides
    Unscrew the wheel bolts.
    Replacement: rear lower arm – MERCEDES-BENZ SLK (R171). AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  3. Step 5
    SLK R171 350 3.5 (171.456) 2006 Control Arm replacement: free workshop manuals
    Remove the wheel.
  4. Step 6
    Changing Control Arm on MERCEDES-BENZ SLK (R171) 200 1.8 Kompressor (171.445) 2007 by yourself
    Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
  5. Step 7
    How to remove MERCEDES-BENZ SLK 55 AMG 5.4 (171.473) 2008 Control Arm - online easy-to-follow instructions
    Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  6. Step 8
    How to replace Control Arm on MERCEDES-BENZ SLK (R171) 2009: download PDF manuals and video instructions
    Unscrew the fastener that connects the suspension arm to the stub axle. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Control Arm replacement on SLK R171 300 3.0 (171.454) 2010 - download illustrated guide
    Remove the fastening bolts.
  8. Step 10
    Need to know how to renew Control Arm on MERCEDES-BENZ SLK 2011? This free workshop manual will help you to do it yourself
    Remove the control arm.
  9. Step 11
    Changing of Control Arm on SLK R171 2004 won't be an issue if you follow this illustrated step-by-step guide
    Clean the suspension arm mounting seats. Use a wire brush. Use all-purpose cleaning spray.
  10. Step 12
    MERCEDES-BENZ SLK 200 Kompressor (171.442) Control Arm replacement: online guides and video tutorials
    Install a new control arm.
  11. Step 13
    Replacing Control Arm on SLK R171 2006 200 Kompressor (171.442) by yourself
    Install the fastening bolts.
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DIY MERCEDES-BENZ SLK (R171) Control Arm replacement - online guide
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