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Removing Spark Plugs on Mercedes C-Class

Model: Mercedes Classe C W203 - Years 2000-2007
Part: Spark plugs

Is your Mercedes C-Class having ignition problems? Let's see how to remove the spark plugs. Open the hood and lift it, securing it in place. Remove the plastic panel covering the engine head, disconnect the power connectors from each coil. Remove the screws of the coils on the engine head. Next, use a socket wrench to unscrew the spark plugs and pull them out of the head. Take the new spark plugs and guide them with the extension of the socket wrench into the engine head, tighten them, and reconnect the power coils to each spark plug. Reconnect the electrical connectors and reinstall the panel.

Updated on 16 March 2026 by ScegliAuto

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