When to replace the Poly V-Belt on your MERCEDES-BENZ C-CLASS
Recommended replacement interval for the part category Serpentine belt : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class T-modell (S204) C 250 (204.252), MERCEDES-BENZ C-Class T-modell (S204) C 300 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 350 (204.256), MERCEDES-BENZ C-Class T-modell (S204) C 280 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 230 (204.252) View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Poly V-Belt for C-Class T-modell (S204) and other MERCEDES-BENZ models
Alternative products
How to change Serpentine belt on Mercedes S204 C 220 CDI 2.2 (204.202) – step-by-step instructions for straightforward car repair Serpentine belt
Tools
Replacement: serpentine belt – MERCEDES-BENZ C-CLASS T-Model (S204). Tools you might need:
Combination spanner #16
Fender cover
Replacement: serpentine belt – MERCEDES-BENZ C-CLASS T-Model (S204). AUTODOC experts recommend:
  • All work should be done with the engine stopped.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Poly V-Belt on Mercedes S204 2007 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS T-Model (S204). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
    How to replace MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI 2.2 (204.202) 2008 Poly V-Belt - step-by-step manuals and video guides
    Remove the air intake hoses.
  3. Step 5
    Mercedes S204 C 220 CDI 2.2 (204.208) 2009 Poly V-Belt replacement: free workshop manuals
    Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16.
  4. Step 6
    Changing Poly V-Belt on MERCEDES-BENZ C-Class T-modell (S204) C 200 CDI (204.207) 2010 by yourself
    Remove the V-ribbed belt.
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS T-Model (S204). AUTODOC recommends:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  5. Step 7
    Return the tensioner pulley to its initial position.
    Step 8
    How to remove MERCEDES-BENZ C-CLASS C 250 CDI 2.2 (204.203) 2011 Poly V-Belt - online easy-to-follow instructions
    Install the V-ribbed belt.
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS T-Model (S204). Tip from AUTODOC:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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