How to carry out replacement: Poly V-Belt C 220 CDI 2.2 (203.706) Mercedes CL203
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Change Mercedes CL203 C 230 1.8 Kompressor (203.740) Poly V-Belt yourself – manuals and video tutorials

How to change serpentine belt on MERCEDES-BENZ C-Class Coupe (CL203) – replacement guide

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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 Coupe (CL203) C 320 (203.764) … 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 Coupe (CL203) and other MERCEDES-BENZ models
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Tools
Replacement: serpentine belt – MERCEDES-BENZ C-CLASS Coupe (CL203). Tools you might need:
Combination spanner #16
Fender cover
Buy tools
Replacement: serpentine belt – MERCEDES-BENZ C-CLASS Coupe (CL203). 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 CL203 2001 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS Coupe (CL203). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
    How to replace MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI 2.2 (203.706) 2002 Poly V-Belt - step-by-step manuals and video guides
    Remove the air intake hoses.
  3. Step 5
    Mercedes CL203 C 220 CDI 2.2 (203.708) 2003 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 Coupe (CL203) C 200 CDI 2.2 (203.707) 2004 by yourself
    Remove the V-ribbed belt.
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS Coupe (CL203). 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 200 2.0 Kompressor (203.745) 2005 Poly V-Belt - online easy-to-follow instructions
    Install the V-ribbed belt.
    Replacement: serpentine belt – MERCEDES-BENZ C-CLASS Coupe (CL203). Tip from AUTODOC:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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