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How to Replace Glow Plugs on Mercedes B-Class

Model: Mercedes Classe B W245, MK 1 - Years 2005-2011
Part: Glow plugs

Replacing the glow plugs on a Mercedes B-Class, here's how to remove them. Pull the engine compartment release lever located at the bottom left of the dashboard and lift the front bonnet, securing it. Remove the engine cover panel if present. Locate the coils, twist them by hand until they come out of the cylinder head. Use a socket wrench to unscrew the damaged glow plugs. Take the new glow plug and insert it into the cylinder head using the socket wrench. Fit all the glow plugs in the engine, the coils, and the soundproofing panel. Start the vehicle.

Updated on 15 March 2026 by ScegliAuto

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