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Where is the fuel pump relay located in the Mercedes A-Class?

Model: Mercedes Classe A W169 - Years 2004-2012
Part: Fuel pump

If the fuel pump in the Mercedes A-Class W169 fails, you can check the status of the corresponding relay and replace it for a small cost if it's faulty. As shown in this video, the relay is located in the box inside the cabin, specifically under the passenger footrest, accessible by first removing the mat and the protective panel. It is marked with the letter "K" and is the third relay in the second row. If it is damaged, always use a replacement with the same specifications and work with the vehicle turned off.

Updated on 26 July 2026 by ScegliAuto

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