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Frequently asked questions about cars and motorcycles

How to Replace Spark Plugs on Mercedes A-Class

Model: Mercedes Classe A W168 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Part: Spark plugs

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Video tutorial

If you have engine starting issues, it is preferable to replace the spark plugs. Here’s how to do it. Pull the hood release lever located on the lower left of the dashboard and lift the hood, securing it. Remove the engine cover panel.

Grasp the coil by hand and twist it until it comes out of the cylinder head. Use a socket wrench to remove the spark plugs after taking the coils off the engine.

Take the new spark plug and insert it into the cylinder head, tightening it with the socket wrench. Replace all damaged spark plugs and reinstall the plastic cylinder head cover.


Updated on 15 March 2026 by ScegliAuto


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