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) 280 (171.454), MERCEDES-BENZ SLK (R171) 350 (171.458), MERCEDES-BENZ SLK (R171) 200 Kompressor (171.445) 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 – Springs for SLK (R171) and other MERCEDES-BENZ models
How to change Coil spring on SLK R171 200 Kompressor (171.442) – step-by-step instructions for straightforward car repair Coil spring
How to change Coil spring buffer on SLK R171 200 Kompressor (171.442) – step-by-step instructions for straightforward car repair Coil spring buffer
Tools
Replacement: coil springs – MERCEDES-BENZ SLK (R171). Tools you might need:
Wire brush
WD-40 spray
Copper grease
Combination spanner #19
Drive socket # 10
Drive socket # 19
Wheel impact socket #17
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Strut spring compressor
Hydraulic transmission jack
Wheel chock
Replacement: coil springs – MERCEDES-BENZ SLK (R171). Tip from AUTODOC:
  • Both coil springs of the rear suspension should be replaced simultaneously.
  • The replacement procedure is identical for the left and right coil springs of the rear suspension.
  • Please note: all work on the car – MERCEDES-BENZ SLK (R171) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Springs on SLK R171 2004 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace MERCEDES-BENZ SLK (R171) 200 Kompressor (171.442) 2005 Springs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 3
    Raise the rear of the car and secure on supports.
    Step 4
    SLK R171 350 3.5 (171.456) 2006 Springs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ SLK (R171)
  4. Step 5
    Changing Springs on MERCEDES-BENZ SLK (R171) 200 1.8 Kompressor (171.445) 2007 by yourself
    Remove the wheel.
  5. Step 6
    How to remove MERCEDES-BENZ SLK 55 AMG 5.4 (171.473) 2008 Springs - online easy-to-follow instructions
    Unscrew the fasteners of the control arm cover. Use a drive socket #10. Use a ratchet wrench.
  6. Step 7
    How to replace Springs on MERCEDES-BENZ SLK (R171) 2009: download PDF manuals and video instructions
    Remove the control arm cover.
  7. Step 8
    How hard is it to do yourself: Springs replacement on SLK R171 300 3.0 (171.454) 2010 - download illustrated guide
    Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
  8. Step 9
    Need to know how to renew Springs on MERCEDES-BENZ SLK 2011? This free workshop manual will help you to do it yourself
    Loosen the fastener connecting the control arm to the rear subframe. Use a combination spanner #19. Use a drive socket #19. Use a tap wrench.
  9. Step 10
    Changing of Springs on SLK R171 2004 won't be an issue if you follow this illustrated step-by-step guide
    Support the arm. Use a hydraulic transmission jack.
  10. Step 11
    MERCEDES-BENZ SLK 200 Kompressor (171.442) Springs replacement: online guides and video tutorials
    Install the coil spring compressor on the coil spring.
    Replacement: coil springs – MERCEDES-BENZ SLK (R171). Professionals recommend:
    Use adapters and jaws of the appropriate size. The sping coils should be securely fixed with the coil spring compressor. Use high quality coil spring compressors.
  11. Step 12
    Replacing Springs on SLK R171 2006 200 Kompressor (171.442) by yourself
    Compress the spring.
    AUTODOC recommends:
    Compress the coil spring compressor until there is enough room to remove the spring. Do not compress the tool to the full: the spring coils must not touch each other. Be careful. The compressed spring is powerful and in case of disrupting ties, straightening, it can cause injury.
  12. Step 13
    SLK (R171) 55 AMG 5.4 (171.473) 2007 Springs DIY replacement workshop manual
    Unscrew the fastener connecting the control arm to the rear subframe. Use a drive socket #19. Use a ratchet wrench.
  13. Step 14
    How to change Springs on MERCEDES-BENZ SLK (R171) 2008 - tips and tricks
    Remove the fastening bolt.
  14. Step 15
    Step-by-step recommendations for DIY replacement SLK R171 2009 55 AMG 5.4 (171.473) Springs
    Lower the hydraulic transmission jack by 10-15 cm.
    AUTODOC recommends:
    Replacement: coil springs – MERCEDES-BENZ SLK (R171). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
  15. Step 16
    DIY replacement of Springs on MERCEDES-BENZ SLK (R171) 280 3.0 (171.454) 2010 is not an issue anymore with our step-by-step tutorial
    Pull down the suspension control arm. Remove the coil spring together with the coil spring compressor.
    AUTODOC recommends:
    While the spring is compressed, do not do any operations on it.
  16. Step 17
    How to change Springs on SLK R171 2004 - free PDF and video manuals
    Release the coil spring. Remove the spring.
  17. Step 18
    How to replace MERCEDES-BENZ SLK (R171) 200 Kompressor (171.442) 2005 Springs - step-by-step manuals and video guides
    Remove the rubber spring spacer.
  18. Step 19
    SLK R171 350 3.5 (171.456) 2006 Springs replacement: free workshop manuals
    Install the rubber spacer on the new coil spring.
  19. Step 20
    Changing Springs on MERCEDES-BENZ SLK (R171) 200 1.8 Kompressor (171.445) 2007 by yourself
    Install a new coil spring on the coil spring compressor.
    Replacement: coil springs – MERCEDES-BENZ SLK (R171). AUTODOC experts recommend:
    Use adapters and jaws of the appropriate size.
  20. Step 21
    Compress the spring.
    Step 22
    How to remove MERCEDES-BENZ SLK 55 AMG 5.4 (171.473) 2008 Springs - online easy-to-follow instructions
    Pull down the suspension control arm. Install the spring.
    AUTODOC recommends:
    Make sure that the coil spring is correctly positioned in its mounting seats.
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DIY MERCEDES-BENZ SLK (R171) Springs replacement - online guide
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