How to carry out replacement: Control Arm B 180 CDI 2.0 (245.207) W245
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Change W245 B 170 NGT 2.0 (245.233) Control Arm yourself – manuals and video tutorials

How to change front lower arm on Mercedes W245 – replacement guide

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Important!
This replacement procedure can be used for:
MERCEDES-BENZ B-Class (W245) B 170 NGT (245.233), MERCEDES-BENZ B-Class (W245) B 180 NGT (245.233), MERCEDES-BENZ B-Class (W245) B 180 CDI (245.207), MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208), MERCEDES-BENZ B-Class (W245) B 170 (245.232), MERCEDES-BENZ B-Class (W245) B 200 TURBO (245.234), MERCEDES-BENZ B-Class (W245) B 150 (245.231), MERCEDES-BENZ B-Class (W245) B 160 (245.231), MERCEDES-BENZ B-Class (W245) B 180 (245.232), MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208) … View more

The steps may slightly vary depending on the car design.

How to change front suspension arm on MERCEDES-BENZ B200 (W245) [TUTORIAL AUTODOC]

video
Published on: 22/04/2020
11K views
All the parts you need to replace – Control Arm for B-Class (W245) and other MERCEDES-BENZ models
How to change Suspension arm on W245 B 180 CDI 2.0 (245.207) – step-by-step instructions for straightforward car repair Suspension arm
How to change Link Set, wheel suspension on W245 B 180 CDI 2.0 (245.207) – step-by-step instructions for straightforward car repair Link Set, wheel suspension
How to change Rod / Strut, wheel suspension on W245 B 180 CDI 2.0 (245.207) – step-by-step instructions for straightforward car repair Rod / Strut, wheel suspension
How to change Suspension arm on MERCEDES-BENZ B-Class (W245) B 180 CDI (245.207) – tips for proper car maintenance
Suspension arm for MERCEDES-BENZ B-Class (W245) B 180 CDI (245.207) Diesel (109 hp)
Simple DIY car repair steps – Replacing Suspension arm on MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208) Diesel (140 hp)
Easy tricks to help you to replace Suspension arm on MERCEDES-BENZ B-Class (W245) B 170 (245.232)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 170 (245.232) Petrol (116 hp)
Suspension arm removal & installation, incredibly easy steps for MERCEDES-BENZ B-Class (W245) B 200 TURBO (245.234)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 200 TURBO (245.234) Petrol (193 hp)
Changing Suspension arm on MERCEDES-BENZ B-Class (W245) B 150 (245.231) – tips for first time repair
Suspension arm for MERCEDES-BENZ B-Class (W245) B 150 (245.231) Petrol (95 hp)
Main steps for Suspension arm replacement on MERCEDES-BENZ B-Class (W245) B 170 NGT (245.233)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 170 NGT (245.233) Petrol/Natural Gas (CNG) (116 hp)
How to change Suspension arm on MERCEDES-BENZ B-Class (W245) B 180 NGT (245.233) – tips for proper car maintenance
Suspension arm for MERCEDES-BENZ B-Class (W245) B 180 NGT (245.233) Petrol/Natural Gas (CNG) (116 hp)
Simple DIY car repair steps – Replacing Suspension arm on MERCEDES-BENZ B-Class (W245) B 160 (245.231)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 160 (245.231) Petrol (95 hp)
Easy tricks to help you to replace Suspension arm on MERCEDES-BENZ B-Class (W245) B 180 (245.232)
Suspension arm for MERCEDES-BENZ B-Class (W245) B 180 (245.232) Petrol (116 hp)
Tools
Replacement: front lower arm – Mercedes W245. Tools you might need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #21
Combination spanner #22
Drive socket # 10
Drive socket # 14
Drive socket # E18
Wheel impact socket #H12
Ratchet wrench
Torque wrench
Crow bar
Ball joint puller
Hydraulic transmission jack
Wheel chock
Buy tools
Replacement: front lower arm – Mercedes W245. AUTODOC recommends:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Replacement: front lower arm – Mercedes W245. Recommended sequence of steps:
  1. Step 1
    How to change Control Arm on W245 2005 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace MERCEDES-BENZ B-Class (W245) B 180 CDI 2.0 (245.207) 2006 Control Arm - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #H12.
  3. Step 3
    W245 B 200 CDI 2.0 (245.208) 2007 Control Arm replacement: free workshop manuals
    Raise the front of the car and secure on supports.
  4. Step 4
    Changing Control Arm on MERCEDES-BENZ B-Class (W245) B 200 2.0 (245.233) 2008 by yourself
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W245
  5. Step 5
    How to remove MERCEDES-BENZ B-CLASS B 150 1.5 (245.231) 2009 Control Arm - online easy-to-follow instructions
    Remove the wheel.
  6. Step 6
    How to replace Control Arm on MERCEDES-BENZ B-Class (W245) 2010: download PDF manuals and video instructions
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
    Replacement: front lower arm – Mercedes W245. AUTODOC experts recommend:
    After applying the spray, wait a few minutes.
  7. Step 7
    How hard is it to do yourself: Control Arm replacement on W245 B 180 1.7 (245.232) 2011 - download illustrated guide
    Unscrew and remove the wheel arch cover fasteners. Use a drive socket #10. Use a ratchet wrench.
  8. Step 8
    Need to know how to renew Control Arm on MERCEDES-BENZ B-CLASS 2005? This free workshop manual will help you to do it yourself
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
    AUTODOC recommends:
    Replacement: front lower arm – Mercedes W245. After applying the spray, wait a few minutes.
  9. Step 9
    Changing of Control Arm on W245 2006 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the front arm fastener. Use a combination spanner #21. Use a drive socket #E18. Use a ratchet wrench.
  10. Step 10
    MERCEDES-BENZ B-CLASS B 170 NGT 2.0 (245.233) Control Arm replacement: online guides and video tutorials
    Remove the front fastener of the control arm.
  11. Step 11
    Replacing Control Arm on W245 2008 B 180 CDI 2.0 (245.207) by yourself
    Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #21. Use a drive socket #E18. Use a ratchet wrench.
  12. Step 12
    B-Class (W245) B 150 1.5 (245.231) 2009 Control Arm DIY replacement workshop manual
    Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #21.
  13. Step 13
    How to change Control Arm on MERCEDES-BENZ B-Class (W245) 2010 - tips and tricks
    Disconnect the lower arm from the steering knuckle. Use a ball joint puller.
  14. Step 14
    Remove the rear fastener of the control arm.
    Step 15
    Step-by-step recommendations for DIY replacement W245 2011 B 150 1.5 (245.231) Control Arm
    Remove the arm.
  15. Step 16
    DIY replacement of Control Arm on MERCEDES-BENZ B-Class (W245) B 170 1.7 (245.232) 2005 is not an issue anymore with our step-by-step tutorial
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  16. Step 17
    Install a new arm. Use a crowbar.
    Replacement: front lower arm – Mercedes W245. Tip:
    During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
    Step 18
    How to change Control Arm on W245 2005 - free PDF and video manuals
    Install the rear fastener of the control arm.
  17. Step 19
    How to replace MERCEDES-BENZ B-Class (W245) B 180 CDI 2.0 (245.207) 2006 Control Arm - step-by-step manuals and video guides
    Connect the lower arm to the steering knuckle.
  18. Step 20
    W245 B 200 CDI 2.0 (245.208) 2007 Control Arm replacement: free workshop manuals
    Install the front fastener of the arm.
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