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How to Replace the Spark Plugs in a Smart Fortwo

Model: Smart Smart 453 - Years 2014-2022
Part: Spark plugs

To replace the spark plugs in a Smart Fortwo, open the bonnet and access the top of the engine block: at the front of the block, you will find three coils connected to the appropriate cables. By unscrewing the screws that secure the coils, you can remove them from their housing and access the underlying spark plugs: these can be extracted using the appropriate socket tool. After removal, insert the new spark plugs and position the ignition coils on top, ensuring everything functions correctly.

Updated on 9 August 2026 by ScegliAuto

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