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How to Replace the Fuel Pump in a Mercedes S-Class?

Model: Mercedes Classe S W221, MK 5 - Years 2005-2013
Part: Fuel pump

In this tutorial, you will see how to replace the fuel pump in a Mercedes S-Class, a very simple operation. First, make sure the key is not inserted for safety, then go to the rear of the car and detach the seat cushion. Next, open the cap located on the right side, remove the 6 upper nuts with a 8mm socket wrench, and take off the additional cover. Finally, disconnect both the connector and the fuel line, unlock the two retaining clips, and extract the pump from the tank. To install the replacement, simply follow the reverse procedure.

Updated on 7 August 2026 by ScegliAuto

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