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How to Replace Spark Plugs on a Mercedes A-Class?

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Spark plugs

Before starting, open the hood of your Mercedes A-Class. Begin by unclipping and removing the engine cover. Next, move all the hoses located above the cylinder head. Then, disconnect the spark plug connectors, unscrew and remove the fastening screws, and finally remove the connectors themselves. After that, you will have access to the spark plugs. Proceed by unscrewing and removing the spark plugs, and the disassembly will be complete. To install the new spark plugs and reassemble everything, simply follow these steps in reverse, and you will have completed the replacement.

Updated on 7 April 2026 by ScegliAuto

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