Important!
This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331), MERCEDES-BENZ B-Class (W245) B 150 (245.231)

The steps may slightly vary depending on the car design.

How to change strut mount MERCEDES-BENZ A W169 TUTORIAL | AUTODOC

Required tools:
Required tools:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #16
Combination spanner #21
Drive socket # E12
Drive socket # 21
HEX bit no.H6.
Wheel impact socket #17
Ratchet wrench
Torque wrench
Flat Screwdriver
Crow bar
Water pump pliers
Hydraulic strut spring compressor
Wheel chock
All the parts you need to replace – Strut Mount for A-Class (W169) and other MERCEDES-BENZ models
How to change Repair Kit, suspension strut on Mercedes W169 A 180 CDI 2.0 (169.007, 169.307) – step-by-step instructions for straightforward car repair
Repair Kit, suspension strut
How to change Repair Kit, suspension strut on MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331) – tips for proper car maintenance
MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331)
Simple DIY car repair steps – Replacing Repair Kit, suspension strut on MERCEDES-BENZ B-Class (W245) B 150 (245.231)
MERCEDES-BENZ B-Class (W245) B 150 (245.231)
How to change Top Strut Mounting on Mercedes W169 A 180 CDI 2.0 (169.007, 169.307) – step-by-step instructions for straightforward car repair
Top Strut Mounting
How to change Top Strut Mounting on MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331) – tips for proper car maintenance
MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331)
Simple DIY car repair steps – Replacing Top Strut Mounting on MERCEDES-BENZ B-Class (W245) B 150 (245.231)
MERCEDES-BENZ B-Class (W245) B 150 (245.231)
AUTODOC recommends:
  • All mounts of the front shock struts should be replaced simultaneously.
  • The replacement procedure is identical for the mounts of the left and right shock struts of the front suspension.
  • Be sure to replace all self-locking nuts and bolts during installation.
  • All work should be done with the engine stopped.
Carry out replacement in the following order:
  1. How to change Strut Mount on Mercedes W169 2004 - free PDF and video manuals
    Step 1
    Secure the wheels with chocks.
  2. How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Strut Mount - step-by-step manuals and video guides
    Step 2
    Loosen the wheel mounting bolts.Use wheel impact socket #17.
  3. Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Strut Mount replacement: free workshop manuals
    Step 3
    Raise the front of the car and secure on supports.
    Step 4
    Unscrew the wheel bolts.
    AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Changing Strut Mount on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Step 5
    Remove the wheel.
  5. How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Strut Mount - online easy-to-follow instructions
    Step 6
    Clean the stabiliser link fasteners.Use a wire brush.Use WD-40 spray.
    Step 7
    Unscrew the fastener connecting the stabilizer link to the stabilizer bar.Use a combination spanner #16.Use HEX No.H6.Use a ratchet wrench.
  6. How to replace Strut Mount on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 8
    Disconnect the ABS sensor cable fastener. Use water pump pliers.Use a crowbar.
  7. How hard is it to do yourself: Strut Mount replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 9
    Disconnect the cable fastener of the brake pads wear sensor from the shock absorber strut. Use a crowbar.
  8. Need to know how to renew Strut Mount on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 10
    Dismantle the retainer. Use a crowbar.
  9. Changing of Strut Mount on Mercedes W169 2012 won't be an issue if you follow this illustrated step-by-step guide
    Step 11
    Clean the fasteners connecting the shock strut to the steering knuckle.Use a wire brush.Use WD-40 spray.
    Step 12
    Unscrew the lower fastener connecting the shock strut to the steering knuckle.Use a combination spanner #21.Use a drive socket #21.Use a ratchet wrench.
  10. MERCEDES-BENZ A-CLASS A 200 2.0 Turbo (169.034, 169.334) Strut Mount replacement: online guides and video tutorials
    Step 13
    Remove the fastening bolts.
  11. Replacing Strut Mount on Mercedes W169 2005 A 180 CDI 2.0 (169.007, 169.307) by yourself
    Step 14
    Disconnect the steering knuckle from the shock absorber strut.
    Step 15
    Lower the car.Open the hood.
  12. A-Class (W169) A 200 CDI 2.0 (169.008, 169.308) 2006 Strut Mount DIY replacement workshop manual
    Step 16
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 17
    Unscrew the top fastening of the shock strut mount.Use a drive socket #E12.Use a ratchet wrench.
  13. How to change Strut Mount on MERCEDES-BENZ A-Class (W169) 2007 - tips and tricks
    Step 18
    Remove the coolant reservoir.
  14. Step-by-step recommendations for DIY replacement Mercedes W169 2008 A 200 CDI 2.0 (169.008, 169.308) Strut Mount
    Step 19
    Remove the suspension strut.Use a crowbar.
  15. DIY replacement of Strut Mount on MERCEDES-BENZ A-Class (W169) A 170 1.7 (169.032, 169.332) 2009 is not an issue anymore with our step-by-step tutorial
    Step 20
    Set the shock absorber strut on the spring compressor tool.
    AUTODOC recommends:
    Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
  16. How to change Strut Mount on Mercedes W169 2004 - free PDF and video manuals
    Step 21
    Compress the spring.
    Step 22
    Remove the protective cap from the shock absorber strut mount. Use a flat screwdriver.
  17. How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Strut Mount - step-by-step manuals and video guides
    Step 23
    Treat the shock strut rod.Use a wire brush.Use WD-40 spray.
  18. Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Strut Mount replacement: free workshop manuals
    Step 24
    Remove the strut piston rod nut.Use a drive socket #21.Use HEX No.H6.Use a ratchet wrench.
  19. Changing Strut Mount on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Step 25
    Remove the top strut mount.Use a crowbar.
    AUTODOC recommends:
    Examine the shock absorber dust cap and the bump stop. Replace them if necessary.
  20. How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Strut Mount - online easy-to-follow instructions
    Step 26
    Install a new strut mount.
  21. How to replace Strut Mount on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 27
    Tighten the shock strut piston rod nut. Use a drive socket #21.Use HEX No.H6.Use a torque wrench.Tighten it to 65 Nm torque.
    AUTODOC recommends:
    Check to make sure the spring is positioned correctly. Avoid its misalignment.
  22. How hard is it to do yourself: Strut Mount replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 28
    Treat the shock strut rod.Use copper grease.
  23. Need to know how to renew Strut Mount on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 29
    Install the protective cap onto the shock absorber strut mount.
  24. Changing of Strut Mount on Mercedes W169 2012 won't be an issue if you follow this illustrated step-by-step guide
    Step 30
    Decompress the spring.
    Step 31
    Remove the assembled shock strut.
  25. MERCEDES-BENZ A-CLASS A 200 2.0 Turbo (169.034, 169.334) Strut Mount replacement: online guides and video tutorials
    Step 32
    Install the shock strut into the wheel arch.
    Step 33
    Tighten the shock strut top mount.Use a drive socket #E12.Use a torque wrench.Tighten it to 50 Nm torque.
  26. Replacing Strut Mount on Mercedes W169 2005 A 180 CDI 2.0 (169.007, 169.307) by yourself
    Step 34
    Install the coolant reservoir.
  27. A-Class (W169) A 200 CDI 2.0 (169.008, 169.308) 2006 Strut Mount DIY replacement workshop manual
    Step 35
    Remove the fender protection cover.Close the hood.
  28. How to change Strut Mount on MERCEDES-BENZ A-Class (W169) 2007 - tips and tricks
    Step 36
    Raise the front of the car and secure on supports.
    Step 37
    Fix the shock absorber strut on the steering knuckle.Install the fastening bolts.
  29. Step-by-step recommendations for DIY replacement Mercedes W169 2008 A 200 CDI 2.0 (169.008, 169.308) Strut Mount
    Step 38
    Tighten the lower fasteners connecting the shock strut to the steering knuckle.Use a combination spanner #21.Use a drive socket #21.Use a torque wrench.Tighten it to 95 Nm torque.
  30. DIY replacement of Strut Mount on MERCEDES-BENZ A-Class (W169) A 170 1.7 (169.032, 169.332) 2009 is not an issue anymore with our step-by-step tutorial
    Step 39
    Install the bracket onto the shock absorber strut.
  31. How to change Strut Mount on Mercedes W169 2004 - free PDF and video manuals
    Step 40
    Connect the brake pad wear sensor plug.
    Step 41
    Connect the ABS sensor wiring.
    Step 42
    Tighten the fastener connecting the stabilizer link to the stabilizer bar.Use a combination spanner #16.Use HEX No.H6.Use a torque wrench.Tighten it to 60 Nm torque.
  32. How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Strut Mount - step-by-step manuals and video guides
    Step 43
    Treat the shock strut fasteners.Use copper grease.
  33. Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Strut Mount replacement: free workshop manuals
    Step 44
    Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
  34. Changing Strut Mount on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Step 45
    Clean the brake disk surface.Use a brake cleaner.
    AUTODOC recommends:
    After applying the spray, wait a few minutes.
  35. How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Strut Mount - online easy-to-follow instructions
    Step 46
    Install the wheel.
    AUTODOC recommends:
    To avoid injury, hold up the wheel when screwing in the fastening bolts.
  36. How to replace Strut Mount on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 47
    Screw in the wheel bolts.Use wheel impact socket #17.
  37. How hard is it to do yourself: Strut Mount replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 48
    Lower the car and working in a cross order, tighten the wheel bolts.Use wheel impact socket #17.Use a torque wrench.Tighten it to 120 Nm torque.
  38. Need to know how to renew Strut Mount on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 49
    Remove the jacks and chocks.
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DIY MERCEDES-BENZ A-Class (W169) Strut Mount replacement - online guide
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