When to replace the Poly V-Belt on your MERCEDES-BENZ M-CLASS
Recommended replacement interval for the part category Serpentine belt : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ M-Class (W163) ML 270 CDI (163.113) View more

The steps may slightly vary depending on the car design.

How to change serpentine belt on MERCEDES ML W163 [TUTORIAL AUTODOC]

video
All the parts you need to replace – Poly V-Belt for M-Class (W163) and other MERCEDES-BENZ models
Tools
Replacement: serpentine belt – Mercedes ML W163. Tools you might need:
12-point socket # 17
Ratchet wrench
Fender cover
Wheel chock
Replacement: serpentine belt – Mercedes ML W163. AUTODOC recommends:
  • All work should be done with the engine stopped.
Replacement: serpentine belt – Mercedes ML W163. Use the following procedure:
  1. Step 1
    How to change Poly V-Belt on ML W163 1998 - free PDF and video manuals
    Open the bonnet.
  2. Step 2
    How to replace MERCEDES-BENZ M-Class (W163) ML 270 CDI 2.7 (163.113) 1999 Poly V-Belt - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    Secure the wheels with chocks.
    Step 4
    ML W163 ML 320 3.2 (163.154) 2000 Poly V-Belt replacement: free workshop manuals
    Lift the car using a jack or place it over an inspection pit.
  4. Step 5
    Changing Poly V-Belt on MERCEDES-BENZ M-Class (W163) ML 55 AMG 5.4 (163.174) 2001 by yourself
    Pull aside the V-ribbed belt tensioner pulley. Use 12-point socket No.17. Use a ratchet wrench.
  5. Step 6
    How to remove MERCEDES-BENZ M-CLASS ML 430 4.3 (163.172) 2002 Poly V-Belt - online easy-to-follow instructions
    Remove the V-ribbed belt.
    Replacement: serpentine belt – Mercedes ML W163. AUTODOC experts recommend:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  6. Step 7
    Return the tensioner pulley to its initial position. Use 12-point socket No.17. Use a ratchet wrench.
    Step 8
    Pull aside the V-ribbed belt tensioner pulley. Use 12-point socket No.17. Use a ratchet wrench.
    Step 9
    How to replace Poly V-Belt on MERCEDES-BENZ M-Class (W163) 2003: download PDF manuals and video instructions
    Install the V-ribbed belt.
    Replacement: serpentine belt – Mercedes ML W163. Tip from AUTODOC:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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MERCEDES-BENZ M-Class (W163) Poly V-Belt replace by yourself - Scan QR-code and download AUTODOC CLUB app
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DIY MERCEDES-BENZ M-Class (W163) Poly V-Belt replacement - online guide
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