Important!
This replacement procedure can be used for:
MERCEDES-BENZ M-Class (W163) ML 350, MERCEDES-BENZ M-Class (W163) ML 350 (163.157), MERCEDES-BENZ M-Class (W163) ML 500 (163.175), MERCEDES-BENZ M-Class (W163) ML 400 CDI (163.128), MERCEDES-BENZ M-Class (W163) ML 55 AMG (163.174), MERCEDES-BENZ M-Class (W163) ML 430 (163.172), MERCEDES-BENZ M-Class (W163) ML 230 (163.136), MERCEDES-BENZ M-Class (W163) ML 320 (163.154) View more

The steps may slightly vary depending on the car design.

How to change upper rear suspension arm on MERCEDES-BENZ M W163 TUTORIAL | AUTODOC

video
All the parts you need to replace – Control Arm for M-Class (W163) and other MERCEDES-BENZ models
How to change Suspension arm on ML W163 ML 270 CDI 2.7 (163.113) – step-by-step instructions for straightforward car repair
Suspension arm
How to change Link Set, wheel suspension on ML W163 ML 270 CDI 2.7 (163.113) – step-by-step instructions for straightforward car repair
Link Set, wheel suspension
How to change Rod / Strut, wheel suspension on ML W163 ML 270 CDI 2.7 (163.113) – step-by-step instructions for straightforward car repair
Rod / Strut, wheel suspension
Tools
Replacement: rear upper arm – Mercedes ML W163. List of the tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #13
Combination spanner #18
Combination spanner #19
Combination spanner #21
Impact socket №10
Impact socket №13
Impact socket №21
Wheel impact socket #17
Ratchet wrench
Torque wrench
Hammer
Flat Screwdriver
Hydraulic transmission jack
Wheel chock
Replacement: rear upper arm – Mercedes ML W163. Tip from AUTODOC experts:
  • The replacement procedure is identical for the right and left upper control arms.
  • All work should be done with the engine stopped.
Replacement: rear upper arm – Mercedes ML W163. Use the following procedure:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
    Step 3
    Raise the rear of the car and secure on supports.
    Step 4
    How to change Control Arm on ML W163 1998 - free PDF and video manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes ML W163
  2. Step 5
    How to replace MERCEDES-BENZ M-Class (W163) ML 270 CDI 2.7 (163.113) 1999 Control Arm - step-by-step manuals and video guides
    Remove the wheel.
  3. Step 6
    ML W163 ML 320 3.2 (163.154) 2000 Control Arm replacement: free workshop manuals
    Unscrew the ABS sensor fastening from the steering knuckle. Use a drive socket #10. Use a ratchet wrench.
  4. Step 7
    Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
    Step 8
    Changing Control Arm on MERCEDES-BENZ M-Class (W163) ML 55 AMG 5.4 (163.174) 2001 by yourself
    Unscrew the top fastening of the ball joint. Use a combination spanner #19.
  5. Step 9
    How to remove MERCEDES-BENZ M-CLASS ML 430 4.3 (163.172) 2002 Control Arm - online easy-to-follow instructions
    Disconnect the ball joint from the steering knuckle. Use a hammer.
  6. Step 10
    How to replace Control Arm on MERCEDES-BENZ M-Class (W163) 2003: download PDF manuals and video instructions
    Remove the shock strut mount cap. Use a flat screwdriver.
  7. Step 11
    Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
    Step 12
    How hard is it to do yourself: Control Arm replacement on ML W163 ML 500 5.0 (163.175) 2004 - download illustrated guide
    Loosen the upper fastener of the shock strut mount. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
  8. Step 13
    Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
    Step 14
    Need to know how to renew Control Arm on MERCEDES-BENZ M-CLASS 2005? This free workshop manual will help you to do it yourself
    Unscrew the fastener connecting the stabilizer link to the control arm. Use a combination spanner #13 (2 pieces).
  9. Step 15
    Changing of Control Arm on ML W163 1998 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the fasteners connecting the stabiliser link to the stabiliser bar. Use a combination spanner #13.
  10. Step 16
    MERCEDES-BENZ M-CLASS ML 350 3.7 (163.157) Control Arm replacement: online guides and video tutorials
    Unscrew the front arm fastener. Use a combination spanner #18 (2 pieces).
  11. Step 17
    Remove the fastening bolt. Use a hammer.
    Step 18
    Replacing Control Arm on ML W163 2000 ML 270 CDI 2.7 (163.113) by yourself
    Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
  12. Step 19
    Unscrew the lower arm fastening. Use a combination spanner #21. Use a drive socket #21. Use a ratchet wrench.
    Step 20
    Remove the fastening bolts.
    Step 21
    M-Class (W163) ML 430 4.3 (163.172) 2001 Control Arm DIY replacement workshop manual
    Detach the lower control arm.
  13. Step 22
    Remove the fastening bolt.
    Step 23
    How to change Control Arm on MERCEDES-BENZ M-Class (W163) 2002 - tips and tricks
    Remove the upper control arm.
  14. Step 24
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
    Step 25
    Step-by-step recommendations for DIY replacement ML W163 2003 ML 430 4.3 (163.172) Control Arm
    Install a new upper control arm.
    Replacement: rear upper arm – Mercedes ML W163. Professionals recommend:
    During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.Position the control arm according to its mounting holes.
  15. Step 26
    Install the fastening bolts.
    Step 27
    Attach the lower control arm. Use a flat screwdriver.
    Step 28
    DIY replacement of Control Arm on MERCEDES-BENZ M-Class (W163) ML 400 CDI 4.0 (163.128) 2004 is not an issue anymore with our step-by-step tutorial
    Install the fastening bolts. Use a hammer.
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DIY MERCEDES-BENZ M-Class (W163) Control Arm replacement - online guide
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