How to carry out replacement: Spark Plug C 220 CDI (203.006, 203.008) Mercedes W203
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Change Mercedes W203 C 200 1.8 Kompressor (203.042) Spark Plug yourself – manuals and video tutorials

How to change spark plugs on Mercedes W203 V6 – replacement guide

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Download your free tutorial and fix MERCEDES-BENZ C-Class Saloon (W203) C 180 2.0 (203.035) problems yourself Download for free 1.9 MB Spark Plug for Mercedes W203 Shop now
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When to replace the Spark Plug on your MERCEDES-BENZ C-CLASS
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 180 (203.035), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.045), MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 32 AMG Kompressor (203.065), MERCEDES-BENZ C-Class Saloon (W203) C 240 4-matic (203.081), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 55 AMG (203.076) … View more

The steps may slightly vary depending on the car design.

How to change spark plug on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

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Published on: 28/09/2020
22K views
All the parts you need to replace – Spark Plug for C-Class Saloon (W203) and other MERCEDES-BENZ models
How to change Spark plug on Mercedes W203 C 220 CDI (203.006, 203.008) – step-by-step instructions for straightforward car repair Spark plug
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Main steps for Spark plug replacement on C-Class Saloon (W203)
Spark plug for C-Class Saloon (W203) Petrol (218 hp)
How to change Spark plug on C-Class Saloon (W203) – tips for proper car maintenance
Spark plug for C-Class Saloon (W203) Petrol (367 hp)
Tools
Replacement: spark plugs – Mercedes W203 V6. Tools you might need:
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Torx bit T30
Spark plug socket # 16
Ratchet wrench
Long round nose pliers
Microfibre towel
Fender cover
Buy tools
Replacement: spark plugs – Mercedes W203 V6. Professionals recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – Mercedes W203 V6. Take the following steps:
  1. Step 1
    How to change Spark Plug on Mercedes W203 2000 - free PDF and video manuals
    Open the hood.
  2. Step 2
    How to replace MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008) 2001 Spark Plug - 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
    Mercedes W203 C 180 1.8 Kompressor (203.046) 2002 Spark Plug replacement: free workshop manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – Mercedes W203 V6. Do not use excessive force when removing the part as this may damage it.
  4. Step 4
    Changing Spark Plug on MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004) 2003 by yourself
    Remove the air intake hoses.
  5. Step 5
    How to remove MERCEDES-BENZ C-CLASS C 200 CDI 2.2 (203.007) 2004 Spark Plug - online easy-to-follow instructions
    Clean the air filter cover and housing.
    Replacement: spark plugs – Mercedes W203 V6. Tip:
    Before cleaning the air filter cover and housing, cover the air duct parts, mass airflow sensor (if available), throttle valve with a clean cloth.
  6. Step 6
    How to replace Spark Plug on MERCEDES-BENZ C-Class Saloon (W203) 2005: download PDF manuals and video instructions
    Remove the air filter housing.
    AUTODOC recommends:
    Replacement: spark plugs – Mercedes W203 V6. To avoid damaging the part when removing it, do not use excessive force.
  7. Step 7
    How hard is it to do yourself: Spark Plug replacement on Mercedes W203 C 200 2.0 Kompressor (203.045) 2006 - download illustrated guide
    Cover the throttle body with a microfibre towel to prevent dust and dirt from getting into the system.
  8. Step 8
    Need to know how to renew Spark Plug on MERCEDES-BENZ C-CLASS 2007? This free workshop manual will help you to do it yourself
    Unplug the connectors from the ignition coils.
  9. Step 9
    Changing of Spark Plug on Mercedes W203 2000 won't be an issue if you follow this illustrated step-by-step guide
    Remove the spark plug wire connectors from the spark plug wells. Use long round nose pliers.
    Replacement: spark plugs – Mercedes W203 V6. Tip from AUTODOC:
    Be careful to avoid damaging spark plug wires.Remember the sequence of the spark plug wires connectors.
  10. Step 10
    MERCEDES-BENZ C-CLASS C 200 1.8 Kompressor (203.042) Spark Plug replacement: online guides and video tutorials
    Unscrew the fasteners of the ignition coils. Use Torx T30. Use a ratchet wrench.
  11. Step 11
    Replacing Spark Plug on Mercedes W203 2002 C 220 CDI (203.006, 203.008) by yourself
    Take out the ignition coil from the spark plug well.
    Replacement: spark plugs – Mercedes W203 V6. AUTODOC experts recommend:
    Remember the sequence of steps for ignition coil demounting.
  12. Step 12
    C-Class Saloon (W203) C 200 CDI 2.2 (203.007) 2003 Spark Plug DIY replacement workshop manual
    Clean dirt, dust and debris from inside the spark plug wells.
  13. Step 13
    How to change Spark Plug on MERCEDES-BENZ C-Class Saloon (W203) 2004 - tips and tricks
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  14. Step 14
    Step-by-step recommendations for DIY replacement Mercedes W203 2005 C 200 CDI 2.2 (203.007) Spark Plug
    Take out the spark plugs.
  15. Step 15
    DIY replacement of Spark Plug on MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008) 2006 is not an issue anymore with our step-by-step tutorial
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  16. Step 16
    How to change Spark Plug on Mercedes W203 2000 - free PDF and video manuals
    Install the new spark plugs into their mounting seats.
  17. Step 17
    How to replace MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008) 2001 Spark Plug - step-by-step manuals and video guides
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 27 nm torque.
    Replacement: spark plugs – Mercedes W203 V6. Professionals recommend:
    Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
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