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Replacing the Glow Plugs on the Mercedes S-Class 2.2 Diesel

Model: Mercedes Classe S W221, MK 5 - Years 2005-2013
Part: Glow plugs

In this guide, follow the instructions to remove and replace the glow plugs of the Mercedes S-Class 2.2 Diesel engine. First, open the hood of your car and start disconnecting the intake hoses by unplugging the electrical connector of the mass air sensor and removing the clamp screw; then disconnect the glow plug connectors and use a socket wrench with an extension to unscrew and remove them, as shown in the video. At this point, install the new original glow plugs, following the video tutorial to the end!

Updated on 29 June 2026 by ScegliAuto

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