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Where is the Fuel Pump Relay Located on a Mercedes Class B?

Model: Mercedes Classe B W245, MK 1 - Years 2005-2011
Part: Fuel pump

If the fuel pump on your Mercedes Class B suddenly stops working, the first thing you should do is check the status of the respective relay, whose position is indicated in this video. As shown, it is located in the fuse box inside the cabin, beneath the glove compartment on the passenger side. To access it, you will first need to remove the lower right cover, then take off the dashboard panel and move the carpet. The relay in question is the third one in the second row, and if faulty, ensure to replace it with a spare of the same specifications.

Updated on 25 June 2026 by ScegliAuto

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