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How to Replace the Glow Plugs on a Mercedes A-Class

Model: Mercedes Classe A W169 - Years 2004-2012
Part: Glow plugs

Before you begin, open the hood of your Mercedes A-Class. Start by removing the exhaust manifold by loosening and taking out the mounting bolts. Next, detach and remove the manifold itself, then disconnect the hoses connected to the glow plugs. At this point, disconnect the positive electrical connector. Once you complete this step, you can unscrew and remove the glow plugs, finishing the disassembly. To install the new glow plugs on your Mercedes A-Class, follow this procedure in reverse, and you will have completed the replacement.

Updated on 28 April 2026 by ScegliAuto

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How to Repair the Key Spring of the Peugeot 207?

Over time, frequent use of the key's flip mechanism in the vehicle, dozens of times a day, inevitably leads to wear of the internal spring. As shown in this video, replacing the spring is quite simple and takes little time. After opening the casing halfway, first position the key, then the spring housing, and finally insert the spring into the previously mentioned housing. Close the casing by rotating it clockwise, ensuring all components fit perfectly, and test the key's flip mechanism.

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