Important!
This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W168) A 210 (168.035, 168.135), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.009, 168.109), MERCEDES-BENZ A-Class (W168) A 160 CDI (168.006), MERCEDES-BENZ A-Class (W168) A 190 (168.032, 168.132), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.008), MERCEDES-BENZ A-Class (W168) A 160 CDI (168.007), MERCEDES-BENZ A-Class (W168) A 140 (168.031, 168.131), MERCEDES-BENZ A-Class (W168) A 140 (168.031, 168.131) View more

The steps may slightly vary depending on the car design.

How to change Front Suspension Arm on MERCEDES-BENZ A W168 TUTORIAL | AUTODOC

video
All the parts you need to replace – Control Arm for A-Class (W168) and other MERCEDES-BENZ models
Tools
Replacement: front lower arm – Mercedes W168. List of the tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #19
Drive socket # E14
Wheel impact socket #17
Ratchet wrench
Torque wrench
Hammer
Flat Screwdriver
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – Mercedes W168. AUTODOC experts recommend:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Please note: all work on the car – Mercedes W168 – should be done with the engine switched off.
  1. Step 1
    How to change Control Arm on Mercedes W168 1997 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace MERCEDES-BENZ A-Class (W168) A 140 1.4 (168.031, 168.131) 1998 Control Arm - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 3
    Mercedes W168 A 170 CDI 1.7 (168.009, 168.109) 1999 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 A-Class (W168) A 170 CDI 1.7 (168.008) 2000 by yourself
    Unscrew the wheel bolts.
    Replacement: front lower arm – Mercedes W168. Tip:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  5. Step 5
    How to remove MERCEDES-BENZ A-CLASS A 190 1.9 (168.032, 168.132) 2001 Control Arm - online easy-to-follow instructions
    Remove the wheel.
  6. Step 6
    How to replace Control Arm on MERCEDES-BENZ A-Class (W168) 2002: download PDF manuals and video instructions
    Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
  7. Step 7
    How hard is it to do yourself: Control Arm replacement on Mercedes W168 A 160 CDI 1.7 (168.006) 2003 - download illustrated guide
    Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #19.
  8. Step 8
    Need to know how to renew Control Arm on MERCEDES-BENZ A-CLASS 2004? This free workshop manual will help you to do it yourself
    Disconnect the ball joint from the steering knuckle. Use a crowbar. Use a hammer.
  9. Step 9
    Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.
    Step 10
    Changing of Control Arm on Mercedes W168 1997 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the front arm fastener. Use a drive socket #E14. Use a ratchet wrench.
  10. Step 11
    MERCEDES-BENZ A-CLASS A 160 CDI 1.7 (168.007) Control Arm replacement: online guides and video tutorials
    Remove the front fastener of the control arm.
  11. Step 12
    Replacing Control Arm on Mercedes W168 1999 A 140 1.4 (168.031, 168.131) by yourself
    Unscrew the rear fastener connecting the control arm to the subframe. Use a drive socket #E14. Use a ratchet wrench.
  12. Step 13
    A-Class (W168) A 190 1.9 (168.032, 168.132) 2000 Control Arm DIY replacement workshop manual
    Remove the rear fastener of the control arm. Use a flat screwdriver.
  13. Step 14
    How to change Control Arm on MERCEDES-BENZ A-Class (W168) 2001 - tips and tricks
    Remove the arm. Use a crowbar.
  14. Step 15
    Step-by-step recommendations for DIY replacement Mercedes W168 2002 A 190 1.9 (168.032, 168.132) Control Arm
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  15. Step 16
    DIY replacement of Control Arm on MERCEDES-BENZ A-Class (W168) A 160 1.6 (168.033, 168.133) 2003 is not an issue anymore with our step-by-step tutorial
    Install a new arm.
    Replacement: front lower arm – Mercedes W168. AUTODOC recommends:
    During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
  16. Step 17
    How to change Control Arm on Mercedes W168 1997 - free PDF and video manuals
    Install the front fastener of the arm.
  17. Step 18
    How to replace MERCEDES-BENZ A-Class (W168) A 140 1.4 (168.031, 168.131) 1998 Control Arm - step-by-step manuals and video guides
    Install the rear fastener of the control arm. Use a hammer.
  18. Step 19
    Mercedes W168 A 170 CDI 1.7 (168.009, 168.109) 1999 Control Arm replacement: free workshop manuals
    Screw the rear arm fastener. Use a drive socket #E14. Use a ratchet wrench.
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DIY MERCEDES-BENZ A-Class (W168) Control Arm replacement - online guide
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