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How to Replace the Spark Plugs on a Mercedes GLA?

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Spark plugs

To replace the spark plugs on a Mercedes GLA, open the bonnet and remove the plastic cover from the top of the engine. Next, disconnect the hoses that obstruct access to the spark plugs; once removed, you can disconnect the coil and extract the spark plugs from their housing using a socket spanner. When all four spark plugs have been removed, insert the new replacement parts. Connect them to the coil and reinstall the hoses and cover that were previously removed.

Updated on 28 April 2026 by ScegliAuto

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