How to carry out replacement: Spark Plug C 220 CDI 2.2 (203.208) Mercedes S203
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Change Mercedes S203 C 200 2.0 Kompressor (203.245) Spark Plug yourself – manuals and video tutorials

How to change spark plugs on MERCEDES-BENZ C-Class T-modell (S203) – replacement guide

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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 T-modell (S203) C 180 (203.235), MERCEDES-BENZ C-Class T-modell (S203) C 200 Kompressor (203.245) … 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 – Spark Plug for C-Class T-modell (S203) and other MERCEDES-BENZ models
Alternative products
How to change Spark plug on Mercedes S203 C 220 CDI 2.2 (203.208) – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – MERCEDES-BENZ C-CLASS T-Model (S203). Tools you might need:
Electronic spray
HEX bit No.HW5.
Drive socket # E8
Spark plug socket # 16
Ratchet wrench
Torque wrench
High-temperature anti-seize lubricant
Fender cover
Buy tools
Replacement: spark plugs – MERCEDES-BENZ C-CLASS T-Model (S203). Professionals recommend:
  • The replacement procedure is the same for all spark plugs.
  • Warning! Shut down the engine before starting any work – MERCEDES-BENZ C-CLASS T-Model (S203).
Carry out replacement in the following order:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Mercedes S203 2001 - free PDF and video manuals
    Undo the engine cover screws (3 pieces). Use HEX No.HW5.
  2. Step 4
    How to replace MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI 2.2 (203.208) 2002 Spark Plug - step-by-step manuals and video guides
    Remove the engine cover.
  3. Step 5
    Mercedes S203 C 180 1.8 Kompressor (203.246) 2003 Spark Plug replacement: free workshop manuals
    Unscrew the fasteners of the ignition coils. Use a drive socket #E8.
  4. Step 6
    Changing Spark Plug on MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI 2.2 (203.207) 2004 by yourself
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – MERCEDES-BENZ C-CLASS T-Model (S203). Tip from AUTODOC:
    Remember the sequence of steps for ignition coil demounting.
  5. Step 7
    How to remove MERCEDES-BENZ C-CLASS C 270 CDI 2.7 (203.216) 2005 Spark Plug - online easy-to-follow instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  6. Step 8
    How to replace Spark Plug on MERCEDES-BENZ C-Class T-modell (S203) 2006: download PDF manuals and video instructions
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Mercedes S203 C 200 1.8 Kompressor (203.242) 2007 - download illustrated guide
    Take out the spark plugs.
  8. Step 10
    Need to know how to renew Spark Plug on MERCEDES-BENZ C-CLASS 2001? This free workshop manual will help you to do it yourself
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs. Treat the surface of the terminals of the new spark plugs. Use electronic spray.
  9. Step 11
    Changing of Spark Plug on Mercedes S203 2002 won't be an issue if you follow this illustrated step-by-step guide
    Install the new spark plugs into their mounting seats.
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