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 front wheel bearing MERCEDES-BENZ A W169 TUTORIAL | AUTODOC

Replacement: wheel bearing – Mercedes W169. Tools you need:
Replacement: wheel bearing – Mercedes W169. Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #21
Drive socket # 10
Drive socket # 18
Drive socket # 21
Drive socket # 22
Drive socket # 30
Torx bit T30
Wheel impact socket #17
Ratchet wrench
Torque wrench
Ball joint puller
Bush and bearing driver set
Flat chisel
Flat Screwdriver
Hammer
Circlip pliers
Crow bar
Wheel chock
All the parts you need to replace – Wheel Bearing for A-Class (W169) and other MERCEDES-BENZ models
How to change Cap, wheel bearing on Mercedes W169 A 180 CDI 2.0 (169.007, 169.307) – step-by-step instructions for straightforward car repair
Cap, wheel bearing
How to change Cap, wheel bearing 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 Cap, wheel bearing on MERCEDES-BENZ B-Class (W245) B 150 (245.231)
MERCEDES-BENZ B-Class (W245) B 150 (245.231)
How to change Wheel Bearing on Mercedes W169 A 180 CDI 2.0 (169.007, 169.307) – step-by-step instructions for straightforward car repair
Wheel Bearing
How to change Wheel Bearing 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 Wheel Bearing on MERCEDES-BENZ B-Class (W245) B 150 (245.231)
MERCEDES-BENZ B-Class (W245) B 150 (245.231)
How to change Wheel Bearing Kit on Mercedes W169 A 180 CDI 2.0 (169.007, 169.307) – step-by-step instructions for straightforward car repair
Wheel Bearing Kit
How to change Wheel Bearing Kit 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 Wheel Bearing Kit on MERCEDES-BENZ B-Class (W245) B 150 (245.231)
MERCEDES-BENZ B-Class (W245) B 150 (245.231)
Replacement: wheel bearing – Mercedes W169. Tip from AUTODOC:
  • Do not re-use the bearing assembly of your Mercedes W169 car.
  • The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
  • All work should be done with the engine stopped.
Replacement: wheel bearing – Mercedes W169. Recommended sequence of steps:
  1. How to change Wheel Bearing 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 Wheel Bearing - 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 Wheel Bearing replacement: free workshop manuals
    Step 3
    Raise the front of the car and secure on supports.
    Step 4
    Unscrew the wheel bolts.
    Replacement: wheel bearing – Mercedes W169. AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Changing Wheel Bearing 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 Wheel Bearing - online easy-to-follow instructions
    Step 6
    Remove the hub bearing protection cap.Use a flat metal-working chisel.Use a hammer.
    Please note!
    Some cars are not equipped with wheel hub caps.
  6. How to replace Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 7
    Clean the wheel hub fastener.Use a wire brush.Use WD-40 spray.
    Step 8
    Unscrew the wheel hub axle nut. Use a drive socket #30.
  7. How hard is it to do yourself: Wheel Bearing replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 9
    Clean the brake caliper bracket fasteners. Use a wire brush.Use WD-40 spray.
  8. Need to know how to renew Wheel Bearing on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 10
    Unscrew the caliper bracket fastening.Use a drive socket #18.Use a ratchet wrench.
  9. Changing of Wheel Bearing on Mercedes W169 2012 won't be an issue if you follow this illustrated step-by-step guide
    Step 11
    Remove the brake caliper together with its bracket.
    Replacement: wheel bearing – Mercedes W169. Professionals recommend:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
  10. MERCEDES-BENZ A-CLASS A 200 2.0 Turbo (169.034, 169.334) Wheel Bearing replacement: online guides and video tutorials
    Step 12
    Clean the brake disc fasteners.Use a wire brush.Use WD-40 spray.
    Step 13
    Unscrew the brake disc fastening.Use Torx T30.Use a ratchet wrench.
  11. Replacing Wheel Bearing on Mercedes W169 2005 A 180 CDI 2.0 (169.007, 169.307) by yourself
    Step 14
    Remove the brake disc.
  12. A-Class (W169) A 200 CDI 2.0 (169.008, 169.308) 2006 Wheel Bearing DIY replacement workshop manual
    Step 15
    Clean the fastener connecting the tie rod end to the steering knuckle. Use a wire brush.Use WD-40 spray.
    Step 16
    Unscrew the end fastening nut to the steering knuckle.Use a drive socket #22.Use a ratchet wrench.
  13. How to change Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2007 - tips and tricks
    Step 17
    Disconnect the tie rod end from the steering knuckle.Use a ball joint puller.
  14. Step-by-step recommendations for DIY replacement Mercedes W169 2008 A 200 CDI 2.0 (169.008, 169.308) Wheel Bearing
    Step 18
    Clean the ABS sensor fastener.Use a wire brush.Use WD-40 spray.
    Step 19
    Unscrew the ABS sensor fastener.Use a drive socket #10.Use a ratchet wrench.
  15. DIY replacement of Wheel Bearing 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
    Disconnect the ABS sensor.
    Step 21
    Clean the fastener that connects the ball joint to the steering knuckle.Use a wire brush.Use WD-40 spray.
    Step 22
    Unscrew the ball joint fastening to the steering knuckle.Use a combination spanner #21.
  16. How to change Wheel Bearing on Mercedes W169 2004 - free PDF and video manuals
    Step 23
    Disconnect the lower arm from the steering knuckle.Use a crowbar. Use a hammer.
  17. How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Wheel Bearing - step-by-step manuals and video guides
    Step 24
    Clean the fastener of the bracket that connects the brake hose to the shock strut. Use a wire brush.Use WD-40 spray.
    Step 25
    Remove the bracket from the shock absorber strut. Use a flat screwdriver.
  18. Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Wheel Bearing replacement: free workshop manuals
    Step 26
    Clean the fasteners connecting the shock strut to the steering knuckle.Use a wire brush.Use WD-40 spray.
    Step 27
    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.
  19. Changing Wheel Bearing on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Step 28
    Remove the fastening bolts.
    Step 29
    Remove the steering knuckle together with the hub.
  20. How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Wheel Bearing - online easy-to-follow instructions
    Step 30
    Press the wheel hub out from the tapered roller bearing.Use a bush and bearing driver set.Use a hammer.
  21. How to replace Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 31
    Remove the retaining ring from the steering knuckle.Use circlip pliers.
  22. How hard is it to do yourself: Wheel Bearing replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 32
    Press out the wheel hub bearing.Use a bush and bearing driver set.
  23. Need to know how to renew Wheel Bearing on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 33
    Clean the hub bearing mounting seat.Use a wire brush.
  24. Changing of Wheel Bearing on Mercedes W169 2012 won't be an issue if you follow this illustrated step-by-step guide
    Step 34
    Press the new bearing in the steering knuckle.Use a bush and bearing driver set.Use a hammer.
    Replacement: wheel bearing – Mercedes W169. AUTODOC experts recommend:
    Check to make sure the wheel hub bearing is positioned correctly. Avoid its misalignment. Stop pressing on the surface of the bearing immediately after it has been fitted into its mounting seat.
  25. MERCEDES-BENZ A-CLASS A 200 2.0 Turbo (169.034, 169.334) Wheel Bearing replacement: online guides and video tutorials
    Step 35
    Install the retaining ring in the steering knuckle.Use circlip pliers.
  26. Replacing Wheel Bearing on Mercedes W169 2005 A 180 CDI 2.0 (169.007, 169.307) by yourself
    Step 36
    Press the wheel hub into the bearing inner race.Use a bush and bearing driver set.
  27. A-Class (W169) A 200 CDI 2.0 (169.008, 169.308) 2006 Wheel Bearing DIY replacement workshop manual
    Step 37
    Install the steering knuckle with a hub in assembly.
  28. How to change Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2007 - tips and tricks
    Step 38
    Install the fastening bolts.
    Step 39
    Screw in the fastener that connects the shock strut to the steering knuckle.
    Step 40
    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.
  29. Step-by-step recommendations for DIY replacement Mercedes W169 2008 A 200 CDI 2.0 (169.008, 169.308) Wheel Bearing
    Step 41
    Install the bracket onto the shock absorber strut.
  30. DIY replacement of Wheel Bearing 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 42
    Connect the lower arm to the steering knuckle.Use a crowbar.
    Step 43
    Tighten the ball joint fastener. Use a combination spanner #21.Use a torque wrench.Tighten it to 60 nm torque.
  31. How to change Wheel Bearing on Mercedes W169 2004 - free PDF and video manuals
    Step 44
    Connect the ABS sensor.
    Step 45
    Screw in the ABS sensor fastener.Use a drive socket #10.Use a ratchet wrench.
  32. How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Wheel Bearing - step-by-step manuals and video guides
    Step 46
    Connect the tie rod end to the steering knuckle.
    Step 47
    Tighten the fastening nut connecting the tie rod end to the steering knuckle. Use a drive socket #22.Use a torque wrench.Tighten it to 70 nm torque.
  33. Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Wheel Bearing replacement: free workshop manuals
    Step 48
    Tighten the hub.Use a drive socket #30.Use a torque wrench.Tighten it to 170 nm torque.
  34. Changing Wheel Bearing on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Step 49
    Install the hub bearing protection cap.Use a hammer.
  35. How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Wheel Bearing - online easy-to-follow instructions
    Step 50
    Clean the hub.Use a wire brush.
    Step 51
    Treat the contacting surface.Use copper grease.
  36. How to replace Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Step 52
    Install the brake disc.
  37. How hard is it to do yourself: Wheel Bearing replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Step 53
    Tighten the brake disc fastening.Use Torx T30.Use a torque wrench.Tighten it to 9 Nm torque.
  38. Need to know how to renew Wheel Bearing on MERCEDES-BENZ A-CLASS ? This free workshop manual will help you to do it yourself
    Step 54
    Clean the mounting seats of the caliper and its bracket.Use a wire brush.Use WD-40 spray.
    Step 55
    Install the brake caliper together with its bracket.
  39. Changing of Wheel Bearing on Mercedes W169 2012 won't be an issue if you follow this illustrated step-by-step guide
    Step 56
    Tighten the brake caliper bracket.Use a drive socket #18.Use a torque wrench.Tighten it to 70 Nm torque.
  40. MERCEDES-BENZ A-CLASS A 200 2.0 Turbo (169.034, 169.334) Wheel Bearing replacement: online guides and video tutorials
    Step 57
    Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
  41. Replacing Wheel Bearing on Mercedes W169 2005 A 180 CDI 2.0 (169.007, 169.307) by yourself
    Step 58
    Clean the brake disk surface.Use a brake cleaner.
    AUTODOC recommends:
    Replacement: wheel bearing – Mercedes W169. After applying the spray, wait a few minutes.
  42. A-Class (W169) A 200 CDI 2.0 (169.008, 169.308) 2006 Wheel Bearing DIY replacement workshop manual
    Step 59
    Install the wheel.
    Replacement: wheel bearing – Mercedes W169. Tip:
    To avoid injury, hold up the wheel when screwing in the fastening bolts.
  43. How to change Wheel Bearing on MERCEDES-BENZ A-Class (W169) 2007 - tips and tricks
    Step 60
    Screw in the wheel bolts.Use wheel impact socket #17.
  44. Step-by-step recommendations for DIY replacement Mercedes W169 2008 A 200 CDI 2.0 (169.008, 169.308) Wheel Bearing
    Step 61
    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.
  45. DIY replacement of Wheel Bearing 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 62
    Remove the jacks and chocks.
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DIY MERCEDES-BENZ A-Class (W169) Wheel Bearing replacement - online guide
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