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Replacing the Fuel Pump Relay on a Mercedes C-Class

Model: Mercedes Classe C W203 - Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007

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Video tutorial

Today's instructions will show you how to locate the fuel pump relay on a Mercedes C-Class. First, open the trunk lid and start removing the carpeted side cover; inside, you will find the fuse box with the fuel pump relay, as shown in the video.

Now, remove and replace the relay with the new one, as well as the original; then check the operation of the fuel pump and finally secure the side cover of the trunk!


Updated on 2 September 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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